World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 86 819 729 379 319 560 37632
Medicine 88 12944 12183 6617 6121 662 39824

Kenji Ikeda publications per year

The chart shows the history of publications by Kenji Ikeda between 1980 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kenji Ikeda published across 46 years, from 1980 to 2025, averaging 16.1 papers a year. Output peaked at 35 publications in 2007. 12 of the 739 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1980 to 2025. Vertical axis: number of publications, 0 to 35. Peak 35 publications in 2007. 1980: 1 publication 1981: 1 publication 1982: 0 publications 1983: 1 publication 1984: 4 publications 1985: 1 publication 1986: 5 publications 1987: 5 publications 1988: 10 publications 1989: 5 publications 1990: 6 publications 1991: 11 publications 1992: 9 publications 1993: 14 publications 1994: 20 publications 1995: 12 publications 1996: 15 publications 1997: 16 publications 1998: 13 publications 1999: 16 publications 2000: 15 publications 2001: 20 publications 2002: 17 publications 2003: 24 publications 2004: 27 publications 2005: 21 publications 2006: 22 publications 2007: 35 publications 2008: 32 publications 2009: 29 publications 2010: 24 publications 2011: 20 publications 2012: 35 publications 2013: 27 publications 2014: 28 publications 2015: 23 publications 2016: 18 publications 2017: 31 publications 2018: 22 publications 2019: 24 publications 2020: 27 publications 2021: 23 publications 2022: 9 publications 2023: 9 publications 2024: 4 publications 2025: 8 publications
1980 2025

739 publications in total across all disciplines

View publications per year as a table
Kenji Ikeda: publications per year, 1980 to 2025
Year Publications
1980 1
1981 1
1982 0
1983 1
1984 4
1985 1
1986 5
1987 5
1988 10
1989 5
1990 6
1991 11
1992 9
1993 14
1994 20
1995 12
1996 15
1997 16
1998 13
1999 16
2000 15
2001 20
2002 17
2003 24
2004 27
2005 21
2006 22
2007 35
2008 32
2009 29
2010 24
2011 20
2012 35
2013 27
2014 28
2015 23
2016 18
2017 31
2018 22
2019 24
2020 27
2021 23
2022 9
2023 9
2024 4
2025 8
Total 739
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Kenji Ikeda publication distribution in Microbiology in 2026

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

No. of scientists
50 100 150 200 250
Bar chart with 64 bars. Horizontal axis: publications, 55–64 to 679+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 135–144 publications. The last bar groups every scientist with 679 publications or more. The highlighted bar, 555–564 publications, is where this scientist sits. 55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55–64 publications 679+

This scientist: 560 publications — 97th percentile

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

The last bar groups every scientist with 679 publications or more.

View publications distribution as a table
Number of Microbiology scientists by publication count, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
Publications Scientists This scientist
55–64 8
65–74 29
75–84 55
85–94 112
95–104 137
105–114 190
115–124 235
125–134 234
135–144 288
145–154 265
155–164 264
165–174 253
175–184 276
185–194 190
195–204 234
205–214 208
215–224 198
225–234 155
235–244 161
245–254 160
255–264 146
265–274 139
275–284 148
285–294 115
295–304 96
305–314 88
315–324 106
325–334 65
335–344 76
345–354 64
355–364 62
365–374 65
375–384 61
385–394 34
395–404 44
405–414 36
415–424 35
425–434 29
435–444 33
445–454 34
455–464 25
465–474 26
475–484 20
485–494 19
495–504 16
505–514 17
515–524 23
525–534 14
535–544 14
545–554 18
555–564 12 560
565–574 7
575–584 9
585–594 9
595–604 9
605–614 7
615–624 9
625–634 7
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Kenji Ikeda D-index placement in Microbiology in 2026

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

No. of scientists
50 100 150
Bar chart with 88 bars. Horizontal axis: D-Index, 40 to 127+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 58 D-Index. The last bar groups every scientist with 127 D-Index or more. The highlighted bar, 86 D-Index, is where this scientist sits. 40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 94 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 86 D-Index — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

View D-Index distribution as a table
Number of Microbiology scientists by D-index, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
D-Index Scientists This scientist
40 30
41 86
42 90
43 117
44 122
45 123
46 108
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134
56 112
57 136
58 162
59 151
60 139
61 123
62 126
63 144
64 109
65 103
66 124
67 112
68 103
69 131
70 94
71 93
72 96
73 92
74 80
75 66
76 87
77 60
78 73
79 59
80 57
81 55
82 47
83 77
84 50
85 45
86 42 86
87 41
88 32
89 38
90 35
91 34
92 27
93 26
94 33
95 22
96 37
97 22
98 21
99 22
100 30
101 16
102 20
103 17
104 19
105 16
106 19
107 18
108 14
109 10
110 9
111 7
112 11
113 6
114 15
115 10
116 12
117 7
118 10
119 10
120 11
121 2
122 7
123 12
124 5
125 9
126 6
127+ 95
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Overview

Kenji Ikeda is affiliated with the University of California, San Francisco in the United States. Their primary field of study is Medicine, with a focus on several subfields including Epidemiology, Hepatology, Endocrinology, Diabetes and Metabolism, Cognitive Neuroscience, and Experimental and Cognitive Psychology.

The scientist has contributed extensively to research in topics such as Liver Disease Diagnosis and Treatment, Hepatitis B Virus Studies, Hepatitis C Virus Research, Hepatocellular Carcinoma Treatment and Prognosis, Liver Disease and Transplantation, Memory Processes and Influences, and Diet, Metabolism, and Disease.

Kenji Ikeda's recent papers include:

  • "Wireless optogenetics protects against obesity via stimulation of non-canonical fat thermogenesis" (2020), published in Nature Communications
  • "SGLT2 Inhibitor Treatment Outcome in Nonalcoholic Fatty Liver Disease Complicated with Diabetes Mellitus: The Long-term Effects on Clinical Features and Liver Histopathology" (2020), published in Internal Medicine
  • "Favorable impact of long-term SGLT2 inhibitor for NAFLD complicated by diabetes mellitus: A 5-year follow-up study" (2022), published in Hepatology Communications
  • "Potential of ultra-highly sensitive immunoassays for hepatitis B surface and core-related antigens in patients with or without development of hepatocellular carcinoma after hepatitis B surface antigen seroclearance" (2020), published in Hepatology Research
  • "Ultrasensitive Assay for Hepatitis B Core-Related Antigen Predicts Hepatocellular Carcinoma Incidences During Entecavir" (2021), published in Hepatology Communications

The frequent co-authors collaborating with Kenji Ikeda are:

  • Norio Akuta
  • Yusuke Kawamura
  • Hitomi Sezaki
  • Tetsuya Hosaka
  • Fumitaka Suzuki

Kenji Ikeda's research is often published in venues including:

  • Hepatology Research
  • Oncology
  • Metacognition and Learning
  • Kanzo
  • Hepatology Communications

Best Publications

  • Lenvatinib versus sorafenib in first-line treatment of patients with unresectable hepatocellular carcinoma: a randomised phase 3 non-inferiority trial

    Masatoshi Kudo;Richard S. Finn;Shukui Qin;Kwang Hyub Han

  • Gene Expression in Fixed Tissues and Outcome in Hepatocellular Carcinoma

    Yujin Hoshida;Augusto Villanueva;Masahiro Kobayashi;Judit Peix

  • Integrative transcriptome analysis reveals common molecular subclasses of human hepatocellular carcinoma.

    Yujin Hoshida;Sebastian M.B. Nijman;Sebastian M.B. Nijman;Masahiro Kobayashi;Jennifer A. Chan;Jennifer A. Chan

  • A multivariate analysis of risk factors for hepatocellular carcinogenesis: A prospective observation of 795 patients with viral and alcoholic cirrhosis

    M D Kenji Ikeda;Satoshi Saitoh;Isao Koida;Yasuji Arase

  • Long‐term entecavir treatment reduces hepatocellular carcinoma incidence in patients with hepatitis B virus infection

    Tetsuya Hosaka;Fumitaka Suzuki;Masahiro Kobayashi;Yuya Seko

  • The long-term pathological evolution of chronic hepatitis C

    M Yano;H Kumada;M Kage;K Ikeda

  • Factors predictive of response to interferon‐α therapy in hepatitis C virus infection

    Akihito Tsubota;Kazuaki Chayama;Kenji Ikeda;Arase Yasuji

  • Effect of interferon therapy on hepatocellular carcinogenesis in patients with chronic hepatitis type C: A long-term observation study of 1,643 patients using statistical bias correction with proportional hazard analysis.

    Kenji Ikeda;Satoshi Saitoh;Yasuji Arase;Kazuaki Chayama

  • Daclatasvir plus asunaprevir for chronic HCV genotype 1b infection.

    Hiromitsu Kumada;Yoshiyuki Suzuki;Kenji Ikeda;Joji Toyota

  • UCP1-independent signaling involving SERCA2b-mediated calcium cycling regulates beige fat thermogenesis and systemic glucose homeostasis.

    Kenji Ikeda;Qianqian Kang;Takeshi Yoneshiro;Joao Paulo Camporez

  • The Common and Distinct Features of Brown and Beige Adipocytes

    Kenji Ikeda;Pema Maretich;Shingo Kajimura

  • Disease progression and hepatocellular carcinogenesis in patients with chronic viral hepatitis: a prospective observation of 2215 patients

    Kenji Ikeda;Satoshi Saitoh;Yoshiyuki Suzuki;Masahiro Kobayashi

  • Emergence and takeover of YMDD motif mutant hepatitis B virus during long-term lamivudine therapy and re-takeover by wild type after cessation of therapy

    Kazuaki Chayama;Yoshiyuki Suzuki;Masahiro Kobayashi;Mizuho Kobayashi

  • BCAA catabolism in brown fat controls energy homeostasis through SLC25A44.

    Takeshi Yoneshiro;Qiang Wang;Kazuki Tajima;Mami Matsushita

  • Interferon beta prevents recurrence of hepatocellular carcinoma after complete resection or ablation of the primary tumor—A prospective randomized study of hepatitis C virus–related liver cancer

    Kenji Ikeda;Yasuji Arase;Satoshi Saitoh;Masahiro Kobayashi

  • Dual therapy with the nonstructural protein 5A inhibitor, daclatasvir, and the nonstructural protein 3 protease inhibitor, asunaprevir, in hepatitis C virus genotype 1b–infected null responders†‡§

    Kazuaki Chayama;Shoichi Takahashi;Joji Toyota;Yoshiyasu Karino

  • The long term efficacy of glycyrrhizin in chronic hepatitis C patients

    Unknown

  • Phase 2 study of lenvatinib in patients with advanced hepatocellular carcinoma.

    Kenji Ikeda;Masatoshi Kudo;Seiji Kawazoe;Yukio Osaki

  • Predictive factors of early and sustained responses to peginterferon plus ribavirin combination therapy in Japanese patients infected with hepatitis C virus genotype 1b: Amino acid substitutions in the core region and low-density lipoprotein cholesterol levels

    Norio Akuta;Fumitaka Suzuki;Yusuke Kawamura;Hiromi Yatsuji

  • Association of Amino Acid Substitution Pattern in Core Protein of Hepatitis C Virus Genotype 1b High Viral Load and Non-Virological Response to Interferon-Ribavirin Combination Therapy

    Norio Akuta;Fumitaka Suzuki;Hitomi Sezaki;Yoshiyuki Suzuki

  • RAPID COMMUNICATION Daclatasvir Plus Asunaprevir for Chronic HCV Genotype 1b Infection

    Hiromitsu Kumada;Yoshiyuki Suzuki;Kenji Ikeda;Joji Toyota

Frequent Co-Authors

Hiromitsu Kumada
Hiromitsu Kumada Fukuoka University
Yasuji Arase
Yasuji Arase University of Yamanashi
Yoshiyuki Suzuki
Yoshiyuki Suzuki Fukushima Medical University
Masahiro Kobayashi
Masahiro Kobayashi Toranomon Hospital
Fumitaka Suzuki
Fumitaka Suzuki Toranomon Hospital
Satoshi Saitoh
Satoshi Saitoh Toranomon Hospital
Tetsuya Hosaka
Tetsuya Hosaka Toranomon Hospital
Hitomi Sezaki
Hitomi Sezaki Toranomon Hospital
Mariko Kobayashi
Mariko Kobayashi Kaohsiung Medical University
Kazuaki Chayama
Kazuaki Chayama Hiroshima University

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