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
Earth Science 69 1070 946 18 16 360 15391
Biology and Biochemistry 70 7093 6541 479 448 349 15606

Fumio Inagaki publications per year

The chart shows the history of publications by Fumio Inagaki between 1997 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Fumio Inagaki published across 29 years, from 1997 to 2025, averaging 14.1 papers a year. Output peaked at 38 publications in 2014. 16 of the 409 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1997 to 2025. Vertical axis: number of publications, 0 to 38. Peak 38 publications in 2014. 1997: 1 publication 1998: 1 publication 1999: 0 publications 2000: 1 publication 2001: 3 publications 2002: 4 publications 2003: 9 publications 2004: 8 publications 2005: 11 publications 2006: 12 publications 2007: 7 publications 2008: 17 publications 2009: 17 publications 2010: 13 publications 2011: 12 publications 2012: 18 publications 2013: 29 publications 2014: 38 publications 2015: 24 publications 2016: 23 publications 2017: 35 publications 2018: 34 publications 2019: 30 publications 2020: 21 publications 2021: 12 publications 2022: 5 publications 2023: 8 publications 2024: 8 publications 2025: 8 publications
1997 2025

409 publications in total across all disciplines

View publications per year as a table
Fumio Inagaki: publications per year, 1997 to 2025
Year Publications
1997 1
1998 1
1999 0
2000 1
2001 3
2002 4
2003 9
2004 8
2005 11
2006 12
2007 7
2008 17
2009 17
2010 13
2011 12
2012 18
2013 29
2014 38
2015 24
2016 23
2017 35
2018 34
2019 30
2020 21
2021 12
2022 5
2023 8
2024 8
2025 8
Total 409
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Fumio Inagaki publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Fumio Inagaki sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 358–367 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 360 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60 360
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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Fumio Inagaki D-index placement in Earth Science in 2026

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

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 69 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 69 D-Index — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78 69
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Overview

Fumio Inagaki is affiliated with the Japan Agency for Marine-Earth Science and Technology in Japan. Their work spans several fields of study, primarily focusing on Environmental Science, Earth and Planetary Sciences, and Engineering. Within these fields, they have contributed extensively to subfields such as Environmental Chemistry, Ocean Engineering, Ecology, Geophysics, and Molecular Biology.

The scientist's research emphasizes a range of main topics, including:

  • Methane Hydrates and Related Phenomena
  • Microbial Community Ecology and Physiology
  • Seismic Imaging and Inversion Techniques
  • Reservoir Engineering and Simulation Methods
  • Geological and Geophysical Studies
  • Hydrocarbon exploration and reservoir analysis
  • Geology and Paleoclimatology Research

Fumio Inagaki has authored several notable papers published in reputable scientific venues. Some recent publications include:

  • Global diversity of microbial communities in marine sediment (2020, Proceedings of the National Academy of Sciences)
  • Temperature limits to deep subseafloor life in the Nankai Trough subduction zone (2020, Science)
  • Aerobic microbial life persists in oxic marine sediment as old as 101.5 million years (2020, Nature Communications)
  • Rapid metabolism fosters microbial survival in the deep, hot subseafloor biosphere (2022, Nature Communications)
  • Deep microbial proliferation at the basalt interface in 33.5-104 million-year-old oceanic crust (2020, Communications Biology)

The scientist has frequently published in venues such as Zenodo (CERN European Organization for Nuclear Research), the Publishing Network for Geoscientific and Environmental Data (PANGAEA) by the Alfred Wegener Institute for Polar and Marine Research, OPAL (Open@LaTrobe) hosted by La Trobe University, as well as major journals like Science and Nature Communications.

Fumio Inagaki has collaborated with multiple co-authors on numerous publications. The most frequent collaborators include:

  • Yuki Morono
  • Kai-Uwe Hinrichs
  • Toshiya Kanamatsu
  • Michael B. Underwood
  • Gaku Kimura

Best Publications

  • Distributions of Microbial Activities in Deep Subseafloor Sediments

    Steven D'Hondt;Bo Barker Jørgensen;D. Jay Miller;Anja Batzke

  • Biogeographical distribution and diversity of microbes in methane hydrate-bearing deep marine sediments on the Pacific Ocean Margin

    Fumio Inagaki;Takuro Nunoura;Satoshi Nakagawa;Andreas Teske

  • Significant contribution of Archaea to extant biomass in marine subsurface sediments

    Julius S. Lipp;Yuki Morono;Fumio Inagaki;Kai-Uwe Hinrichs

  • Microbial Communities Associated with Geological Horizons in Coastal Subseafloor Sediments from the Sea of Okhotsk

    Fumio Inagaki;Masae Suzuki;Ken Takai;Hanako Oida

  • Exploring deep microbial life in coal-bearing sediment down to ~2.5 km below the ocean floor

    Fumio Inagaki;Kai-Uwe Hinrichs;Y Kubo;M W Bowles

  • Sulfurovum lithotrophicum gen. nov., sp. nov., a novel sulfur-oxidizing chemolithoautotroph within the e-Proteobacteria isolated from Okinawa Trough hydrothermal sediments

    Fumio Inagaki;Ken Takai;Kenneth H. Nealson;Kenneth H. Nealson;Koki Horikoshi

  • Global diversity of microbial communities in marine sediment.

    Tatsuhiko Hoshino;Hideyuki Doi;Go-Ichiro Uramoto;Lars Wörmer

  • Distribution of archaea in a black smoker chimney structure.

    Ken Takai;Tetsushi Komatsu;Fumio Inagaki;Koki Horikoshi

  • Sulfurimonas paralvinellae sp. nov., a novel mesophilic, hydrogen- and sulfur-oxidizing chemolithoautotroph within the Epsilonproteobacteria isolated from a deep-sea hydrothermal vent polychaete nest, reclassification of Thiomicrospira denitrificans as Sulfurimonas denitrificans comb. nov. and emended description of the genus Sulfurimonas.

    Ken Takai;Masae Suzuki;Satoshi Nakagawa;Masayuki Miyazaki

  • Sulfurimonas autotrophica gen. nov., sp. nov., a novel sulfur-oxidizing ε-proteobacterium isolated from hydrothermal sediments in the Mid-Okinawa Trough

    Fumio Inagaki;Ken Takai;Hideki Kobayashi;Kenneth H. Nealson;Kenneth H. Nealson

  • Distribution, phylogenetic diversity and physiological characteristics of epsilon-Proteobacteria in a deep-sea hydrothermal field.

    Satoshi Nakagawa;Ken Takai;Fumio Inagaki;Hisako Hirayama

  • Interactions between deformation and fluids in the frontal thrust region of the NanTroSEIZE transect offshore the Kii Peninsula, Japan: Results from IODP Expedition 316 Sites C0006 and C0007

    E Screaton;G Kimura;D Curewitz;D Curewitz;G Moore;G Moore

  • Carbon and nitrogen assimilation in deep subseafloor microbial cells.

    Yuki Morono;Takeshi Terada;Manabu Nishizawa;Motoo Ito

  • Evidence for Microbial Carbon and Sulfur Cycling in Deeply Buried Ridge Flank Basalt

    Mark A Lever;Mark A Lever;Olivier J Rouxel;Olivier J Rouxel;Jeffrey C Alt;Nobumichi Shimizu

  • Presence of oxygen and aerobic communities from sea floor to basement in deep-sea sediments

    Steven D'hondt;Steven D'hondt;Fumio Inagaki;Fumio Inagaki;Carlos Alvarez Zarikian;Carlos Alvarez Zarikian;Lewis J. Abrams

  • Enzymatic and Genetic Characterization of Carbon and Energy Metabolisms by Deep-Sea Hydrothermal Chemolithoautotrophic Isolates of Epsilonproteobacteria

    Ken Takai;Barbara J. Campbell;S. Craig Cary;Masae Suzuki

  • Hydrogen-driven subsurface lithoautotrophic microbial ecosystems (SLiMEs): do they exist and why should we care?

    Kenneth H. Nealson;Fumio Inagaki;Ken Takai

  • Isolation and phylogenetic diversity of members of previously uncultivated ε-Proteobacteria in deep-sea hydrothermal fields

    Ken Takai;Fumio Inagaki;Satoshi Nakagawa;Hisako Hirayama

  • Microbial community in a sediment-hosted CO2 lake of the southern Okinawa Trough hydrothermal system

    Fumio Inagaki;Marcel M. M. Kuypers;Urumu Tsunogai;Jun-ichiro Ishibashi

  • Variability in microbial community and venting chemistry in a sediment-hosted backarc hydrothermal system: Impacts of subseafloor phase-separation.

    Satoshi Nakagawa;Ken Takai;Fumio Inagaki;Hitoshi Chiba

Frequent Co-Authors

Yuki Morono
Yuki Morono Japan Agency for Marine-Earth Science and Technology
Ken Takai
Ken Takai Japan Agency for Marine-Earth Science and Technology
Kai-Uwe Hinrichs
Kai-Uwe Hinrichs University of Bremen
Koki Horikoshi
Koki Horikoshi Japan Agency for Marine-Earth Science and Technology
Hiroyuki Imachi
Hiroyuki Imachi Japan Agency for Marine-Earth Science and Technology
Kenneth H. Nealson
Kenneth H. Nealson University of Southern California
Steven D'Hondt
Steven D'Hondt University of Rhode Island
Mark A. Lever
Mark A. Lever ETH Zurich
Takuro Nunoura
Takuro Nunoura Japan Agency for Marine-Earth Science and Technology
Takehiro Hirose
Takehiro Hirose Japan Agency for Marine-Earth Science and Technology

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