World's Best Scientists 2026 revealed!
Tsutomu Hatano

Tsutomu Hatano

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 77 4038 3665 224 210 308 20524
Biology and Biochemistry 78 4586 4230 303 284 285 20058

Tsutomu Hatano publications per year

The chart shows the history of publications by Tsutomu Hatano between 1977 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tsutomu Hatano published across 49 years, from 1977 to 2025, averaging 6.7 papers a year. Output peaked at 15 publications in 1989. 1 of the 326 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1977 to 2025. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 1989. 1977: 1 publication 1978: 0 publications 1979: 2 publications 1980: 4 publications 1981: 2 publications 1982: 9 publications 1983: 7 publications 1984: 4 publications 1985: 7 publications 1986: 8 publications 1987: 8 publications 1988: 9 publications 1989: 15 publications 1990: 11 publications 1991: 12 publications 1992: 13 publications 1993: 8 publications 1994: 5 publications 1995: 11 publications 1996: 5 publications 1997: 10 publications 1998: 4 publications 1999: 14 publications 2000: 12 publications 2001: 9 publications 2002: 11 publications 2003: 4 publications 2004: 9 publications 2005: 11 publications 2006: 10 publications 2007: 10 publications 2008: 12 publications 2009: 14 publications 2010: 7 publications 2011: 4 publications 2012: 8 publications 2013: 2 publications 2014: 4 publications 2015: 3 publications 2016: 1 publication 2017: 4 publications 2018: 4 publications 2019: 6 publications 2020: 5 publications 2021: 2 publications 2022: 2 publications 2023: 2 publications 2024: 0 publications 2025: 1 publication
1977 2025

326 publications in total across all disciplines

View publications per year as a table
Tsutomu Hatano: publications per year, 1977 to 2025
Year Publications
1977 1
1978 0
1979 2
1980 4
1981 2
1982 9
1983 7
1984 4
1985 7
1986 8
1987 8
1988 9
1989 15
1990 11
1991 12
1992 13
1993 8
1994 5
1995 11
1996 5
1997 10
1998 4
1999 14
2000 12
2001 9
2002 11
2003 4
2004 9
2005 11
2006 10
2007 10
2008 12
2009 14
2010 7
2011 4
2012 8
2013 2
2014 4
2015 3
2016 1
2017 4
2018 4
2019 6
2020 5
2021 2
2022 2
2023 2
2024 0
2025 1
Total 326
Download as CSV

Tsutomu Hatano publication distribution in Chemistry in 2026

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

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 301–320 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 308 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764 308
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
Download as CSV

Tsutomu Hatano D-index placement in Chemistry in 2026

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

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 76–77 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 77 D-Index — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437 77
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
Download as CSV

Overview

Tsutomu Hatano is affiliated with Okayama University in Japan. Their research primarily falls within the field of Biochemistry, Genetics and Molecular Biology, with a specific focus on Molecular Biology. They have also contributed to areas such as Pharmacology, Plant Science, Biochemistry, and Organic Chemistry.

Their work involves multiple topics including Biological Activity of Diterpenoids and Biflavonoids, Natural Product Bioactivities and Synthesis, Pharmacological Effects of Natural Compounds, Phytochemicals and Antioxidant Activities, Metal Complexes Synthesis and Properties, Phytochemistry and Bioactivity Studies, and the Biological Activities of Phytochemical Compounds.

Tsutomu Hatano has published research in several scientific journals, frequently contributing to:

  • Fitoterapia
  • Bioscience Biotechnology and Biochemistry
  • Metabolites
  • Natural Product Research
  • Pharmaceuticals

Recent papers include:

  • "Nutritional, Antioxidant, Antimicrobial, and Anticholinesterase Properties of Phyllanthus emblica: A Study Supported by Spectroscopic and Computational Investigations" (2023, Metabolites)
  • "Ellagitannins and simple phenolics from the halophytic plant Tamarix nilotica" (2020, Natural Product Research)
  • "Two new C-glycosidic ellagitannins and accompanying tannins from Lawsonia inermis leaves and their cytotoxic effects" (2021, Fitoterapia)
  • "High-performance liquid chromatographic profile and 1H quantitative nuclear magnetic resonance analyses for quality control of a Xinjiang licorice extract" (2020, Bioscience Biotechnology and Biochemistry)
  • "Design, Characterization, and Antimicrobial Evaluation of Copper Nanoparticles Utilizing Tamarixinin a Ellagitannin from Galls of Tamarix aphylla" (2022, Pharmaceuticals)

Tsutomu Hatano has collaborated frequently with several coauthors, such as:

  • Mohamed A. A. Orabi
  • Hamad S. Alyami
  • Ahmed Abdullah Al Awadh
  • Omaish Alqahtani
  • Hiroshi Sakagami

Best Publications

  • Two new flavonoids and other constituents in licorice root: their relative astringency and radical scavenging effects.

    Tsutomu Hatano;Harumi Kagawa;Taeko Yasuhara;Takuo Okuda

  • Effects of the Interaction of Tannins with Co-existing Substances. VI. : Effects of Tannins and Related Polyphenols on Superoxide Anion Radical, and on 1, 1-Diphenyl-2-picrylhydrazyl Radical

    Tsutomu Hatano;Rei Edamatsu;Midori Hiramatsu;Akitane Mori

  • Antibacterial activity of hydrolyzable tannins derived from medicinal plants against Helicobacter pylori.

    Keiji Funatogawa;Shunji Hayashi;Hirofumi Shimomura;Takashi Yoshida

  • Production of bioactive triterpenes by Eriobotrya japonica calli.

    Shoko Taniguchi;Yoko Imayoshi;Eri Kobayashi;Yoshie Takamatsu

  • Studies on Inhibition Mechanism of Autoxidation by Tannins and Flavonoids. V. Radical-Scavenging Effects of Tannins and Related Polyphenols on 1, 1-Diphenyl-2-picrylhydrazyl Radical

    Takashi Yoshida;Kazuko Mori;Tsutomu Hatano;Tomoko Okumura

  • Studies on the activities of tannins and related compounds from medicinal plants and drugs. I. Inhibitory effects on lipid peroxidation in mitochondria and microsomes of liver.

    Takuo Okuda;Yoshiyuki Kimura;Takashi Yoshida;Tsutomu Hatano

  • Analyses of Polyphenols in Cacao Liquor, Cocoa, and Chocolate by Normal-Phase and Reversed-Phase HPLC

    Midori Natsume;Naomi Osakabe;Megumi Yamagishi;Toshio Takizawa

  • Inhibitory effects of polyphenols on human cytochrome P450 3A4 and 2C9 activity.

    Yuka Kimura;Hideyuki Ito;Ryoko Ohnishi;Tsutomu Hatano

  • Antimicrobial activity of oleanolic acid from Salvia officinalis and related compounds on vancomycin-resistant enterococci (VRE)

    Kumiko Horiuchi;Kumiko Horiuchi;Sumiko Shiota;Tsutomu Hatano;Takashi Yoshida

  • Phenolic constituents of Cassia seeds and antibacterial effect of some naphthalenes and anthraquinones on methicillin-resistant Staphylococcus aureus.

    Tsutomu Hatano;Hiroshi Uebayashi;Hideyuki Ito;Sumiko Shiota

  • Ellagitannins as active constituents of medicinal plants.

    Takuo Okuda;Takashi Yoshida;Tsutomu Hatano

  • Inhibition of herpes simplex virus infection by tannins and related compounds.

    Kunihiko Fukuchi;Hiroshi Sakagami;Takuo Okuda;Tsutomu Hatano

  • Inhibition of human immunodeficiency viral replication by tannins and related compounds.

    Hideki Nakashima;Tsutomu Murakami;Naoki Yamamoto;Hiroshi Sakagami

  • Proanthocyanidin glycosides and related polyphenols from cacao liquor and their antioxidant effects.

    Tsutomu Hatano;Haruka Miyatake;Midori Natsume;Naomi Osakabe

  • Polyphenols from Eriobotrya japonica and their cytotoxicity against human oral tumor cell lines

    Hideyuki Ito;Eri Kobayashi;Yoshie Takamatsu;Shu Hua Li

  • New Methods of Analyzing Tannins

    Takuo Okuda;Takashi Yoshida;Tsutomu Hatano

  • Effects of tannins and related polyphenols on methicillin-resistant Staphylococcus aureus

    Tsutomu Hatano;Miwako Kusuda;Kazutoshi Inada;Tomo Omi Ogawa

  • Phenolic Constituents of Licorice. VIII. Structures of Glicophenone and Glicoisoflavanone, and Effects of Licorice Phenolics on Methicillin-Resistant Staphylococcus aureus.

    Tsutomu Hatano;Yasushi Shintani;Yasuhiro Aga;Sumiko Shiota

  • Remarkable Synergies between Baicalein and Tetracycline, and Baicalein and β‐Lactams against Methicillin‐Resistant Staphylococcus aureus

    Mai Fujita;Sumiko Shiota;Teruo Kuroda;Tsutomu Hatano

  • Inhibitory Effects of Various Flavonoids Isolated from Leaves of Persimmon on Angiotensin-Converting Enzyme Activity

    Kenji Kameda;Takeshi Takaku;Hiromichi Okuda;Yoshiyuki Kimura

  • Marked Potentiation of Activity of β-Lactams against Methicillin-Resistant Staphylococcus aureus by Corilagin

    Masato Shimizu;Sumiko Shiota;Tohru Mizushima;Hideyuki Ito

Frequent Co-Authors

Takashi Yoshida
Takashi Yoshida Matsuyama University
Takuo Okuda
Takuo Okuda Okayama University
Hideyuki Ito
Hideyuki Ito Okayama Prefectural University
Hiroshi Sakagami
Hiroshi Sakagami Meikai University
Kazufumi Yazaki
Kazufumi Yazaki Kyoto University
Tomofusa Tsuchiya
Tomofusa Tsuchiya Okayama University
Harukuni Tokuda
Harukuni Tokuda Kyoto University
Hoyoku Nishino
Hoyoku Nishino Kyoto Prefectural University of Medicine
Hiromichi Okuda
Hiromichi Okuda Prefectural University of Kumamoto
Oliver Kayser
Oliver Kayser TU Dortmund 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

For students interested in Chemistry, exploring related online degrees can open up diverse career opportunities. Fields like forensic science, criminal justice, and pharmaceutical sales often intersect with chemical knowledge. Understanding the how much is criminal justice school can help prospective students budget for programs that complement their Chemistry background.

Many entry-level roles can be accessed through programs like the best online criminal justice associate degree, which combines elements of law and science. This degree is a perfect example of how blending disciplines can prepare graduates for multifaceted careers.

Another related field is the legal support system where various types of paralegals require analytical and precise skills—qualities that Chemistry students often possess. These roles offer alternative career paths outside of traditional lab work.

Lastly, understanding the commercial aspect of Chemistry careers is important. Becoming a pharmaceutical sales representative combines science with business, and knowing the pharmaceutical sales salary and career paths can help students gauge the financial benefits of this option.

Best Scientists Citing Tsutomu Hatano

Trending Scientists

Recently Published Articles