World's Best Scientists 2026 revealed!
Masaaki Ito

Masaaki Ito

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 92 11110 10440 319 302 1160 42993

Masaaki Ito publications per year

The chart shows the history of publications by Masaaki Ito between 1971 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Masaaki Ito published across 55 years, from 1971 to 2025, averaging 25.4 papers a year. Output peaked at 81 publications in 2016. 84 of the 1,396 publications appeared in the last two years.

No. of publications
20 40 60 80
Bar chart. Horizontal axis: year, 1971 to 2025. Vertical axis: number of publications, 0 to 81. Peak 81 publications in 2016. 1971: 1 publication 1972: 0 publications 1973: 1 publication 1974: 0 publications 1975: 0 publications 1976: 1 publication 1977: 0 publications 1978: 1 publication 1979: 0 publications 1980: 0 publications 1981: 1 publication 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 3 publications 1986: 5 publications 1987: 6 publications 1988: 2 publications 1989: 4 publications 1990: 12 publications 1991: 10 publications 1992: 11 publications 1993: 17 publications 1994: 11 publications 1995: 9 publications 1996: 15 publications 1997: 10 publications 1998: 12 publications 1999: 13 publications 2000: 15 publications 2001: 21 publications 2002: 26 publications 2003: 33 publications 2004: 39 publications 2005: 32 publications 2006: 30 publications 2007: 28 publications 2008: 51 publications 2009: 48 publications 2010: 37 publications 2011: 51 publications 2012: 42 publications 2013: 67 publications 2014: 68 publications 2015: 53 publications 2016: 81 publications 2017: 75 publications 2018: 63 publications 2019: 67 publications 2020: 71 publications 2021: 64 publications 2022: 48 publications 2023: 56 publications 2024: 41 publications 2025: 43 publications
1971 2025

1,396 publications in total across all disciplines

View publications per year as a table
Masaaki Ito: publications per year, 1971 to 2025
Year Publications
1971 1
1972 0
1973 1
1974 0
1975 0
1976 1
1977 0
1978 1
1979 0
1980 0
1981 1
1982 0
1983 0
1984 1
1985 3
1986 5
1987 6
1988 2
1989 4
1990 12
1991 10
1992 11
1993 17
1994 11
1995 9
1996 15
1997 10
1998 12
1999 13
2000 15
2001 21
2002 26
2003 33
2004 39
2005 32
2006 30
2007 28
2008 51
2009 48
2010 37
2011 51
2012 42
2013 67
2014 68
2015 53
2016 81
2017 75
2018 63
2019 67
2020 71
2021 64
2022 48
2023 56
2024 41
2025 43
Total 1,396
Download as CSV

Masaaki Ito publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Masaaki Ito sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 1,141–1,160 publications, is where this scientist sits. 101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101–120 publications 1,796+

This scientist: 1,160 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51 1,160
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
Download as CSV

Masaaki Ito D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Masaaki Ito sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 92–93 D-Index, is where this scientist sits. 70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70–71 D-Index 217+

This scientist: 92 D-Index — 45th percentile

45% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003
86–87 960
88–89 970
90–91 922
92–93 839 92
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
Download as CSV

Overview

Masaaki Ito is affiliated with Mie University in Japan and has contributed extensively to medical research, particularly within the field of medicine. Their research encompasses a variety of subfields including oncology, surgery, pulmonary and respiratory medicine, immunology, and biomedical engineering.

The scientist's work addresses several main topics related to cancer and surgical treatments. These include colorectal cancer surgical treatments, colorectal and anal carcinomas, surgical simulation and training, colorectal cancer treatments and studies, colorectal cancer screening and detection, anorectal disease treatments and outcomes, and gastric cancer management and outcomes.

They have published in multiple academic venues, with frequent contributions to:

  • Surgical Endoscopy
  • Journal of Clinical Oncology
  • Annals of Gastroenterological Surgery
  • Proceedings for Annual Meeting of The Japanese Pharmacological Society
  • Annals of Oncology

Notable recent papers by Masaaki Ito include:

  • Primary Tumor Resection Plus Chemotherapy Versus Chemotherapy Alone for Colorectal Cancer Patients With Asymptomatic, Synchronous Unresectable Metastases (JCOG1007; iPACS): A Randomized Clinical Trial, 2021, Journal of Clinical Oncology
  • Flash glucose monitoring helps achieve better glycemic control than conventional self-monitoring of blood glucose in non-insulin-treated type 2 diabetes: a randomized controlled trial, 2020, BMJ Open Diabetes Research & Care
  • Automated laparoscopic colorectal surgery workflow recognition using artificial intelligence: Experimental research, 2020, International Journal of Surgery
  • Pituitary dysfunction induced by immune checkpoint inhibitors is associated with better overall survival in both malignant melanoma and non-small cell lung carcinoma: a prospective study, 2020, Journal for ImmunoTherapy of Cancer
  • Long-term follow-up of the randomized trial of mesorectal excision with or without lateral lymph node dissection in rectal cancer (JCOG0212), 2020, British journal of surgery

Masaaki Ito collaborates frequently with several researchers, including:

  • Daichi Kitaguchi
  • Yuichiro Tsukada
  • Nobuyoshi Takeshita
  • Hiro Hasegawa
  • Yukihide Kanemitsu

Best Publications

  • The Japanese Society of Hypertension Guidelines for the Management of Hypertension (JSH 2019)

    Satoshi Umemura;Hisatomi Arima;Shuji Arima;Kei Asayama

  • The Japanese Society of Hypertension guidelines for the management of hypertension (JSH 2014)

    Kazuaki Shimamoto;Katsuyuki Ando;Toshiro Fujita;Naoyuki Hasebe

  • Rho-associated Kinase Directly Induces Smooth Muscle Contraction through Myosin Light Chain Phosphorylation

    Yasuko Kureishi;Sei Kobayashi;Mutsuki Amano;Kazushi Kimura

  • Inhibitory Phosphorylation Site for Rho-associated Kinase on Smooth Muscle Myosin Phosphatase

    Jianhua Feng;Masaaki Ito;Kazuhito Ichikawa;Naoki Isaka

  • Comparison of the gut microbiota composition between obese and non-obese individuals in a Japanese population, as analyzed by terminal restriction fragment length polymorphism and next-generation sequencing

    Chika Kasai;Kazushi Sugimoto;Isao Moritani;Junichiro Tanaka

  • Myosin phosphatase: structure, regulation and function.

    Masaaki Ito;Takeshi Nakano;Ferenc Erdodi;David J. Hartshorne

  • Activation of RhoA and Inhibition of Myosin Phosphatase as Important Components in Hypertension in Vascular Smooth Muscle

    Tetsuya Seko;Masaaki Ito;Yasuko Kureishi;Ryuji Okamoto

  • Survivin promotes cell proliferation in human hepatocellular carcinoma

    Takeshi Ito;Katsuya Shiraki;Kazushi Sugimoto;Takenari Yamanaka

  • Mesorectal Excision With or Without Lateral Lymph Node Dissection for Clinical Stage II/III Lower Rectal Cancer (JCOG0212): A Multicenter, Randomized Controlled, Noninferiority Trial.

    Shin Fujita;Junki Mizusawa;Yukihide Kanemitsu;Masaaki Ito

  • Long-term clinical outcome after intramuscular implantation of bone marrow mononuclear cells (Therapeutic Angiogenesis by Cell Transplantation [TACT] trial) in patients with chronic limb ischemia

    Satoaki Matoba;Tetsuya Tatsumi;Toyoaki Murohara;Tsutomu Imaizumi

  • Rho-associated Kinase of Chicken Gizzard Smooth Muscle

    Jianhua Feng;Masaaki Ito;Yasuko Kureishi;Kazuhito Ichikawa

  • Characterization of the myosin-binding subunit of smooth muscle myosin phosphatase.

    H Shimizu;M Ito;M Miyahara;K Ichikawa

  • Relationship between multiple numbers of stapler firings during rectal division and anastomotic leakage after laparoscopic rectal resection

    Masaaki Ito;Masanori Sugito;Akihiro Kobayashi;Yusuke Nishizawa

  • The Japanese Society of Hypertension Committee for Guidelines for the Management of Hypertension

    Toshio Ogihara;Kenjiro Kikuchi;Toshiro Fujita;Jitsuo Higaki

  • Phosphorylation of CPI-17, an inhibitory phosphoprotein of smooth muscle myosin phosphatase, by Rho-kinase

    Mutsumi Koyama;Masaaki Ito;Jianhua Feng;Tetsuya Seko

  • Survival outcomes following laparoscopic versus open D3 dissection for stage II or III colon cancer (JCOG0404): a phase 3, randomised controlled trial

    Seigo Kitano;Masafumi Inomata;Junki Mizusawa;Hiroshi Katayama

  • Chemotherapeutic agents augment TRAIL-induced apoptosis in human hepatocellular carcinoma cell lines.

    Takenari Yamanaka;Katsuya Shiraki;Kazushi Sugimoto;Takeshi Ito

  • Beneficial acute effects of rho-kinase inhibitor in patients with pulmonary arterial hypertension.

    Ken Ishikura;Norikazu Yamada;Masaaki Ito;Satoshi Ota

  • Multicentre prospective study of perinatal depression in Japan: incidence and correlates of antenatal and postnatal depression.

    T. Kitamura;K. Yoshida;T. Okano;K. Kinoshita

  • Associations of serum total cholesterol, different types of stroke, and stenosis distribution of cerebral arteries. The Akita Pathology Study.

    M Konishi;H Iso;Y Komachi;M Iida

Frequent Co-Authors

David J. Hartshorne
David J. Hartshorne University of Arizona
Hiroshi Nakajima
Hiroshi Nakajima Chiba University
Toshio Tanaka
Toshio Tanaka Mie University
Kozo Kaibuchi
Kozo Kaibuchi Nagoya University
Osamu Ogawa
Osamu Ogawa Kyoto University
Atsushi Ochiai
Atsushi Ochiai University of Tokyo
Hiroyoshi Hidaka
Hiroyoshi Hidaka D. Western Therapeutics Institute (Japan)
Kenichi Sugihara
Kenichi Sugihara Tokyo Medical and Dental University
Takayuki Yoshino
Takayuki Yoshino University of Tsukuba
Mutsuki Amano
Mutsuki Amano Nagoya University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring medicine in the USA opens the door to many online degrees and career pathways within healthcare and related fields. For registered nurses seeking advanced practice roles, adn to msn bridge programs offer a convenient way to earn a master's degree and expand professional expertise, often while continuing to work.

Students interested in nutrition and preventative health can benefit from earning an online bachelor's in nutrition. This degree provides a strong foundation in health sciences and opens doors to roles in dietetics, wellness coaching, and public health.

For those pursuing leadership and administration, accredited online mha programs cahme accredited are designed to prepare graduates for management roles in hospitals, clinics, and healthcare systems.

RNs can also advance their qualifications with rn to bsn programs no clinicals, allowing for flexible, career-focused learning without traditional onsite clinical requirements.

Best Scientists Citing Masaaki Ito

Trending Scientists

Recently Published Articles