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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Immunology 69 2519 2315 98 90 333 15500
Genetics 63 2904 2753 123 119 285 12891

Masao Ota publications per year

The chart shows the history of publications by Masao Ota between 1982 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Masao Ota published across 44 years, from 1982 to 2025, averaging 8.2 papers a year. Output peaked at 20 publications in 2006. 12 of the 360 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1982 to 2025. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2006. 1982: 1 publication 1983: 2 publications 1984: 1 publication 1985: 3 publications 1986: 4 publications 1987: 5 publications 1988: 1 publication 1989: 4 publications 1990: 5 publications 1991: 3 publications 1992: 11 publications 1993: 6 publications 1994: 2 publications 1995: 0 publications 1996: 8 publications 1997: 8 publications 1998: 6 publications 1999: 15 publications 2000: 10 publications 2001: 11 publications 2002: 11 publications 2003: 15 publications 2004: 6 publications 2005: 7 publications 2006: 20 publications 2007: 17 publications 2008: 18 publications 2009: 14 publications 2010: 12 publications 2011: 16 publications 2012: 12 publications 2013: 8 publications 2014: 13 publications 2015: 10 publications 2016: 9 publications 2017: 11 publications 2018: 10 publications 2019: 5 publications 2020: 11 publications 2021: 5 publications 2022: 7 publications 2023: 5 publications 2024: 5 publications 2025: 7 publications
1982 2025

360 publications in total across all disciplines

View publications per year as a table
Masao Ota: publications per year, 1982 to 2025
Year Publications
1982 1
1983 2
1984 1
1985 3
1986 4
1987 5
1988 1
1989 4
1990 5
1991 3
1992 11
1993 6
1994 2
1995 0
1996 8
1997 8
1998 6
1999 15
2000 10
2001 11
2002 11
2003 15
2004 6
2005 7
2006 20
2007 17
2008 18
2009 14
2010 12
2011 16
2012 12
2013 8
2014 13
2015 10
2016 9
2017 11
2018 10
2019 5
2020 11
2021 5
2022 7
2023 5
2024 5
2025 7
Total 360
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Masao Ota publication distribution in Immunology in 2026

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

No. of scientists
50 100 150
Bar chart with 76 bars. Horizontal axis: publications, 62–71 to 807+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 152–161 publications. The last bar groups every scientist with 807 publications or more. The highlighted bar, 332–341 publications, is where this scientist sits. 62–71 publications: 9 scientists 72–81 publications: 23 scientists 82–91 publications: 40 scientists 92–101 publications: 72 scientists 102–111 publications: 86 scientists 112–121 publications: 108 scientists 122–131 publications: 150 scientists 132–141 publications: 160 scientists 142–151 publications: 159 scientists 152–161 publications: 189 scientists 162–171 publications: 166 scientists 172–181 publications: 181 scientists 182–191 publications: 188 scientists 192–201 publications: 187 scientists 202–211 publications: 178 scientists 212–221 publications: 158 scientists 222–231 publications: 168 scientists 232–241 publications: 159 scientists 242–251 publications: 160 scientists 252–261 publications: 148 scientists 262–271 publications: 116 scientists 272–281 publications: 125 scientists 282–291 publications: 115 scientists 292–301 publications: 111 scientists 302–311 publications: 95 scientists 312–321 publications: 97 scientists 322–331 publications: 97 scientists 332–341 publications: 99 scientists 342–351 publications: 96 scientists 352–361 publications: 69 scientists 362–371 publications: 76 scientists 372–381 publications: 71 scientists 382–391 publications: 71 scientists 392–401 publications: 62 scientists 402–411 publications: 54 scientists 412–421 publications: 41 scientists 422–431 publications: 63 scientists 432–441 publications: 53 scientists 442–451 publications: 31 scientists 452–461 publications: 42 scientists 462–471 publications: 40 scientists 472–481 publications: 29 scientists 482–491 publications: 34 scientists 492–501 publications: 30 scientists 502–511 publications: 23 scientists 512–521 publications: 41 scientists 522–531 publications: 29 scientists 532–541 publications: 28 scientists 542–551 publications: 16 scientists 552–561 publications: 18 scientists 562–571 publications: 18 scientists 572–581 publications: 17 scientists 582–591 publications: 17 scientists 592–601 publications: 17 scientists 602–611 publications: 19 scientists 612–621 publications: 13 scientists 622–631 publications: 12 scientists 632–641 publications: 11 scientists 642–651 publications: 16 scientists 652–661 publications: 9 scientists 662–671 publications: 5 scientists 672–681 publications: 13 scientists 682–691 publications: 12 scientists 692–701 publications: 6 scientists 702–711 publications: 6 scientists 712–721 publications: 9 scientists 722–731 publications: 9 scientists 732–741 publications: 6 scientists 742–751 publications: 11 scientists 752–761 publications: 10 scientists 762–771 publications: 7 scientists 772–781 publications: 12 scientists 782–791 publications: 7 scientists 792–801 publications: 5 scientists 802–806 publications: 1 scientist 807+ publications: 100 scientists
62–71 publications 807+

This scientist: 333 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 807 publications or more.

View publications distribution as a table
Number of Immunology scientists by publication count, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
Publications Scientists This scientist
62–71 9
72–81 23
82–91 40
92–101 72
102–111 86
112–121 108
122–131 150
132–141 160
142–151 159
152–161 189
162–171 166
172–181 181
182–191 188
192–201 187
202–211 178
212–221 158
222–231 168
232–241 159
242–251 160
252–261 148
262–271 116
272–281 125
282–291 115
292–301 111
302–311 95
312–321 97
322–331 97
332–341 99 333
342–351 96
352–361 69
362–371 76
372–381 71
382–391 71
392–401 62
402–411 54
412–421 41
422–431 63
432–441 53
442–451 31
452–461 42
462–471 40
472–481 29
482–491 34
492–501 30
502–511 23
512–521 41
522–531 29
532–541 28
542–551 16
552–561 18
562–571 18
572–581 17
582–591 17
592–601 17
602–611 19
612–621 13
622–631 12
632–641 11
642–651 16
652–661 9
662–671 5
672–681 13
682–691 12
692–701 6
702–711 6
712–721 9
722–731 9
732–741 6
742–751 11
752–761 10
762–771 7
772–781 12
782–791 7
792–801 5
802–806 1
807+ 100
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Masao Ota D-index placement in Immunology in 2026

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

No. of scientists
50 100 150 200
Bar chart with 60 bars. Horizontal axis: D-Index, 40–41 to 157+. Vertical axis: number of scientists, 0 to 201. Most scientists, 201, have 58–59 D-Index. The last bar groups every scientist with 157 D-Index or more. The highlighted bar, 68–69 D-Index, is where this scientist sits. 40–41 D-Index: 28 scientists 42–43 D-Index: 91 scientists 44–45 D-Index: 157 scientists 46–47 D-Index: 192 scientists 48–49 D-Index: 175 scientists 50–51 D-Index: 188 scientists 52–53 D-Index: 177 scientists 54–55 D-Index: 155 scientists 56–57 D-Index: 194 scientists 58–59 D-Index: 201 scientists 60–61 D-Index: 197 scientists 62–63 D-Index: 201 scientists 64–65 D-Index: 173 scientists 66–67 D-Index: 167 scientists 68–69 D-Index: 172 scientists 70–71 D-Index: 199 scientists 72–73 D-Index: 184 scientists 74–75 D-Index: 133 scientists 76–77 D-Index: 163 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 125 scientists 84–85 D-Index: 121 scientists 86–87 D-Index: 102 scientists 88–89 D-Index: 96 scientists 90–91 D-Index: 75 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 74 scientists 96–97 D-Index: 66 scientists 98–99 D-Index: 68 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 60 scientists 104–105 D-Index: 54 scientists 106–107 D-Index: 36 scientists 108–109 D-Index: 23 scientists 110–111 D-Index: 52 scientists 112–113 D-Index: 41 scientists 114–115 D-Index: 34 scientists 116–117 D-Index: 25 scientists 118–119 D-Index: 28 scientists 120–121 D-Index: 11 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 19 scientists 128–129 D-Index: 20 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 17 scientists 134–135 D-Index: 14 scientists 136–137 D-Index: 15 scientists 138–139 D-Index: 9 scientists 140–141 D-Index: 11 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 9 scientists 146–147 D-Index: 7 scientists 148–149 D-Index: 7 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 5 scientists 154–155 D-Index: 8 scientists 156 D-Index: 6 scientists 157+ D-Index: 96 scientists
40–41 D-Index 157+

This scientist: 69 D-Index — 50th percentile

50% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 157 D-Index or more.

View D-Index distribution as a table
Number of Immunology scientists by D-index, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
D-Index Scientists This scientist
40–41 28
42–43 91
44–45 157
46–47 192
48–49 175
50–51 188
52–53 177
54–55 155
56–57 194
58–59 201
60–61 197
62–63 201
64–65 173
66–67 167
68–69 172 69
70–71 199
72–73 184
74–75 133
76–77 163
78–79 127
80–81 121
82–83 125
84–85 121
86–87 102
88–89 96
90–91 75
92–93 72
94–95 74
96–97 66
98–99 68
100–101 49
102–103 60
104–105 54
106–107 36
108–109 23
110–111 52
112–113 41
114–115 34
116–117 25
118–119 28
120–121 11
122–123 20
124–125 27
126–127 19
128–129 20
130–131 16
132–133 17
134–135 14
136–137 15
138–139 9
140–141 11
142–143 9
144–145 9
146–147 7
148–149 7
150–151 7
152–153 5
154–155 8
156 6
157+ 96
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Overview

Masao Ota is affiliated with Shinshu University in Japan and specializes in the field of Medicine. Their research spans various subfields including Epidemiology, Pulmonary and Respiratory Medicine, Immunology, Genetics, and Rheumatology.

The scientist's research focuses on multiple topics, notably:

  • Immune Cell Function and Interaction
  • High Altitude and Hypoxia
  • Hepatitis C virus research
  • Hepatitis B Virus Studies
  • Cancer, Hypoxia, and Metabolism
  • Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Systemic Lupus Erythematosus Research

Masao Ota has contributed to several recent publications, including:

  • Genome-Wide Association Study in Asians Identifies Novel Loci for High Myopia and Highlights a Nervous System Role in Its Pathogenesis, 2020, Ophthalmology
  • The Gly82Ser mutation in AGER contributes to pathogenesis of pulmonary fibrosis in combined pulmonary fibrosis and emphysema (CPFE) in Japanese patients, 2020, Scientific Reports
  • Genetic control of CCL24, POR, and IL23R contributes to the pathogenesis of sarcoidosis, 2020, Communications Biology
  • Association of HLA-DRB1*04:05 allele with drug-induced interstitial lung disease in Japanese population, 2020, The Pharmacogenomics Journal
  • Quantitative and qualitative lipid improvement with chronic hepatitis C virus eradication using direct-acting antivirals, 2021, Hepatology Research

The scientist frequently publishes in venues such as:

  • Scientific Reports
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Hepatology Research
  • PLoS ONE
  • Annals of Oncology

Masao Ota regularly collaborates with several researchers, some of whom include:

  • Satoru Joshita
  • Takeji Umemura
  • Yunden Droma
  • Masayuki Hanaoka
  • Ayumi Sugiura

Best Publications

  • Genome-wide association studies identify IL23R - IL12RB2 and IL10 as Behçet's disease susceptibility loci

    Nobuhisa Mizuki;Akira Meguro;Masao Ota;Shigeaki Ohno

  • Triplet repeat polymorphism in the transmembrane region of the MICA gene: A strong association of six GCT repetitions with Behçet disease

    Nobuhisa Mizuki;Masao Ota;Minoru Kimura;Shigeaki Ohno

  • HLA DRB1*0405-DQB1*0401 haplotype is associated with autoimmune pancreatitis in the Japanese population

    Shigeyuki Kawa;Masao Ota;Kaname Yoshizawa;Akira Horiuchi

  • A simple and rapid method for HLA-DRB and -DQB typing by digestion of PCR-amplified DNA with allele specific restriction endonucleases.

    N. Uryu;M. Maeda;M. Maeda;M. Ota;K. Tsuji

  • HLA-DQB1 genotyping by a modified PCR-RFLP method combined with group-specific primers.

    Nobuhiro Nomura;Masao Ota;Kimiyoshi Tsuji;Hidetoshi Inoko

  • Allele frequencies and haplotypic associations defined by allelic DNA typing at HLA class I and class II loci in the Japanese population.

    S. Saito;S. Ota;E. Yamada;H. Inoko

  • Human amniotic mesenchymal cells have some characteristics of cardiomyocytes.

    Peng Zhao;Hirohiko Ise;Minoru Hongo;Masao Ota

  • Human Amnion-Isolated Cells Normalize Blood Glucose in Streptozotocin-Induced Diabetic Mice:

    Jun Ping Wei;Tian Shu Zhang;Shigeyuki Kawa;Toru Aizawa

  • HLA class II molecules and autoimmune hepatitis susceptibility in Japanese patients.

    Takeshi Seki;Takeshi Seki;Takeshi Seki;Masao Ota;Masao Ota;Masao Ota;Seiichi Furuta;Seiichi Furuta;Seiichi Furuta;Hirohumi Fukushima;Hirohumi Fukushima;Hirohumi Fukushima

  • Modified PCR‐RFLP method for HLA‐DPB1 and ‐DQA1 genotyping

    Ota M;Seki T;Nomura N;Sugimura K

  • Association Analysis Using Refined Microsatellite Markers Localizes a Susceptibility Locus for Psoriasis Vulgaris Within a 111 kb Segment Telomeric to the HLA-C Gene

    Akira Oka;Gen Tamiya;Maiko Tomizawa;Masao Ota

  • Trinucleotide repeat polymorphism within exon 5 of the MICA gene (MHC class I chain-related gene A): allele frequency data in the nine population groups Japanese, Northern Han, Hui, Uygur, Kazakhstan, Iranian, Saudi Arabian, Greek and Italian

    M. Ota;Y. Katsuyama;N. Mizuki;H. Ando

  • Autoimmune pancreatitis and complement activation system.

    Takashi Muraki;Hideaki Hamano;Yasuhide Ochi;Kenichi Komatsu

  • Association of autoimmune hepatitis with HLA-Bw54 and DR4 in Japanese patients.

    Takeshi Seki;Kendo Kiyosawa;Hidetoshi Inoko;Masao Ota

  • Positive Association of the Endothelial Nitric Oxide Synthase Gene Polymorphisms With High-Altitude Pulmonary Edema

    Yunden Droma;Masayuki Hanaoka;Masao Ota;Yoshihiko Katsuyama

  • Super high resolution for single molecule‐sequence‐based typing of classical HLA loci at the 8‐digit level using next generation sequencers

    T Shiina;S Suzuki;Y Ozaki;H Taira

  • Genetics of Behçet disease inside and outside the MHC

    Akira Meguro;Hidetoshi Inoko;Masao Ota;Yoshihiko Katsuyama

  • Single nucleotide polymorphism detection by polymerase chain reaction-restriction fragment length polymorphism.

    Masao Ota;Hirofumi Fukushima;Jerzy K Kulski;Jerzy K Kulski;Hidetoshi Inoko

  • Genetic association of Fc receptor-like 3 polymorphisms with autoimmune pancreatitis in Japanese patients

    T Umemura;M Ota;H Hamano;Y Katsuyama

  • Association of autoimmune pancreatitis with cytotoxic T-lymphocyte antigen 4 gene polymorphisms in Japanese patients.

    Takeji Umemura;Masao Ota;Hideaki Hamano;Yoshihiko Katsuyama

  • Identification of IκBL as the Second Major Histocompatibility Complex–Linked Susceptibility Locus for Rheumatoid Arthritis

    Koichi Okamoto;Satoshi Makino;Yoko Yoshikawa;Asumi Takaki

  • High Prevalence of Hypothyroidism in Patients with Autoimmune Pancreatitis

    Kenichi Komatsu;Hideaki Hamano;Yasuhide Ochi;Mari Takayama

Frequent Co-Authors

Hidetoshi Inoko
Hidetoshi Inoko Tokai University
Yoshihiko Katsuyama
Yoshihiko Katsuyama Shinshu University
Nobuhisa Mizuki
Nobuhisa Mizuki Yokohama City University
Shigeaki Ohno
Shigeaki Ohno Hokkaido University
Eiji Tanaka
Eiji Tanaka Shinshu University
Seiamak Bahram
Seiamak Bahram University of Strasbourg
Shigeyuki Kawa
Shigeyuki Kawa Matsumoto Dental University
Kendo Kiyosawa
Kendo Kiyosawa Shinshu University
Jerzy K. Kulski
Jerzy K. Kulski University of Western Australia
Akinori Kimura
Akinori Kimura Tokyo Medical and Dental University

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