World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
46
Citations
8605
World Ranking
18901
National Ranking
7719

Hiroshi Imanaka publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Hiroshi Imanaka sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 417 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 196 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 59 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 177 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Hiroshi Imanaka D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Hiroshi Imanaka sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 71 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 46 D-Index — 4th percentile

4% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Hiroshi Imanaka is a researcher affiliated with the Search for Extraterrestrial Intelligence in the United States. Their academic work focuses primarily on Earth and Planetary Sciences, with contributions in Environmental Science as well. The scientist's research spans multiple subfields, including Ecology, Paleontology, and Oceanography.

Imanaka's scholarly output includes studies on isotope analysis in ecology, paleontology and stratigraphy of fossils, and marine and coastal ecosystems. These topics reflect a multidisciplinary approach that intersects geological and environmental perspectives.

One notable publication by Imanaka is titled "Mineral-catalysed formation of marine NO and N2O on the anoxic early Earth", published in 2022 in Nature Geoscience. This paper explores geochemical processes relevant to early Earth conditions and has been cited in subsequent research.

Their frequent coauthors include Steffen Buessecker, Tucker Ely, Renyu Hu, Stephen J. Romaniello, and Hinsby Cadillo-Quiroz. Collaboration with these researchers underscores ties to various expertise areas related to the Earth sciences and environmental studies.

Within academic publishing venues, Imanaka's work appears in respected journals such as Nature Geoscience, indicating engagement with platforms specializing in geoscientific research.

  • Earth and Planetary Sciences
  • Environmental Science

  • Ecology
  • Paleontology
  • Oceanography

  • Isotope Analysis in Ecology
  • Paleontology and Stratigraphy of Fossils
  • Marine and Coastal Ecosystems

  • "Mineral-catalysed formation of marine NO and N2O on the anoxic early Earth" (2022), Nature Geoscience

  • Steffen Buessecker
  • Tucker Ely
  • Renyu Hu
  • Stephen J. Romaniello
  • Hinsby Cadillo-Quiroz

  • Nature Geoscience

Best Publications

  • FK-506, a novel immunosuppressant isolated from a Streptomyces. I. Fermentation, isolation, and physico-chemical and biological characteristics.

    Toru Kino;Hiroshi Hatanaka;Michisane Hashimoto;Michihisa Nishiyama

  • Laboratory experiments of Titan tholin formed in cold plasma at various pressures: implications for nitrogen-containing polycyclic aromatic compounds in Titan haze

    Hiroshi Imanaka;Hiroshi Imanaka;Bishun N. Khare;Jamie E. Elsila;Emma L.O. Bakes

  • NOCARDICIN A, A NEW MONOCYCLIC β-LACTAM ANTIBIOTIC

    Hatsuo Aoki;Hei-Ichi Sakai;Masanobu Kohsaka;Toshio Konomi

  • Discovery of FK-506, a novel immunosuppressant isolated from Streptomyces tsukubaensis.

    T Goto;T Kino;H Hatanaka;M Nishiyama

  • Pyrrolnitrin, a New Antibiotic Substance, Produced by Pseudomonas

    Kei Arima;Hiroshi Imanaka;Masanobu Kousaka;Akio Fukuta

  • Studies of an immunomodulator, swainsonine. I. Enhancement of immune response by swainsonine in vitro.

    Motohiro Hino;Osamu Nakayama;Yasuhisa Tsurumi;Kimiko Adachi

  • Bicyclomycin, a new antibiotic. I. Taxonomy, isolation and characterization.

    Toshio Miyoshi;Norimasa Miyairi;Hatsuo Aoki;Masanobu Kohsaka

  • Studies on new phosphonic acid antibiotics. III. Isolation and characterization of FR-31564, FR-32863 and FR-33289

    Masakuni Okuhara;Yoshio Kuroda;Toshio Goto;Masanori Okamoto

  • STUDIES ON NEW PHOSPHONIC ACID ANTIBIOTICS

    Masakuni Okuhara;Yoshio Kuroda;Toshio Goto;Masanori Okamoto

  • Formation of nitrogenated organic aerosols in the Titan upper atmosphere

    Hiroshi Imanaka;Mark A. Smith

  • FK 506: historical perspectives.

    T Goto;T Kino;H Hatanaka;M Okuhara

  • STUDIES ON TOMAYMYCIN, A NEW ANTIBIOTIC. I ISOLATION AND PROPERTIES OF TOMAYMYIN

    Kei Arima;Masanobu Kohsaka;Gakuzo Tamura;Hiroshi Imanaka

  • Tholins as coloring agents on outer Solar System bodies

    Dale P. Cruikshank;Hiroshi Imanaka;Hiroshi Imanaka;Cristina M. Dalle Ore;Cristina M. Dalle Ore

  • Studies of an immunomodulator, swainsonine. II. Effect of swainsonine on mouse immunodeficient system and experimental murine tumor.

    Tohru Kino;Noriaki Inamura;Kunio Nakahara;Sumio Kiyoto

  • FR109615, a new antifungal antibiotic from Streptomyces setonii. Taxonomy, fermentation, isolation, physico-chemical properties and biological activity

    Toshiro Iwamoto;Eisaku Tsujii;Masami Ezaki;Akihiko Fujie

  • Studies on WF-3161, a new antitumor antibiotic

    Kazuyoshi Umehara;Kunio Nakahara;Sumio Kiyoto;Morita Iwami

  • Studies on new phosphonic acid antibiotics. IV. Structure determination of FR-33289, FR-31564 and FR-32863.

    Yoshio Kuroda;Masakuni Okuhara;Toshio Goto;Masanori Okamoto

  • Role of photoionization in the formation of complex organic molecules in Titan's upper atmosphere

    Hiroshi Imanaka;Hiroshi Imanaka;Mark A. Smith

  • Optical constants of Titan tholins at mid-infrared wavelengths (2.5–25 μm) and the possible chemical nature of Titan’s haze particles

    Hiroshi Imanaka;Hiroshi Imanaka;Dale P. Cruikshank;Bishun N. Khare;Bishun N. Khare;Christopher P. McKay

  • Cloning and nucleotide sequencing of new glutaryl 7-ACA and cephalosporin C acylase genes from Pseudomonas strains

    Ichiro Aramori;Masao Fukagawa;Mana Tsumura;Morita Iwami

Frequent Co-Authors

Christopher P. McKay
Christopher P. McKay Ames Research Center
Dale P. Cruikshank
Dale P. Cruikshank University of Central Florida
Gakuzo Tamura
Gakuzo Tamura University of Tokyo
Richard N. Zare
Richard N. Zare Stanford University
Darrell F. Strobel
Darrell F. Strobel Johns Hopkins University
Sébastien Lebonnois
Sébastien Lebonnois Sorbonne University
Markus Kraft
Markus Kraft University of Cambridge
Saburo Sone
Saburo Sone University of Tokushima
Harold A. Weaver
Harold A. Weaver Johns Hopkins University Applied Physics Laboratory
Mark S. Marley
Mark S. Marley University of Arizona

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