World's Best Scientists 2026 revealed!
Tomohiko Ogawa

Tomohiko Ogawa

D-Index & Metrics

Biology and Biochemistry

D-Index
50
Citations
18457
World Ranking
17409
National Ranking
1256

Tomohiko Ogawa 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 Tomohiko Ogawa 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: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 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: 418 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: 197 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: 60 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: 141 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Tomohiko Ogawa 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 Tomohiko Ogawa sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 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: 72 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: 50 D-Index — 11th percentile

11% of scientists in this discipline score the same or lower.

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

Overview

Tomohiko Ogawa is affiliated with Asahi University in Japan. Their academic profile is focused on various aspects of scientific research; however, specific details about research fields, main topics of work, and subfields are not available.

There is no record of recent papers, frequent co-authors, or publication venues associated with Tomohiko Ogawa. Similarly, there are no listings of book publications or awards attributed to them.

Based on the available information, no comprehensive data on research contributions or collaborations can be provided at this time.

Best Publications

  • Cutting edge: Toll-like receptor 4 (TLR4)-deficient mice are hyporesponsive to lipopolysaccharide: evidence for TLR4 as the Lps gene product.

    Katsuaki Hoshino;Osamu Takeuchi;Taro Kawai;Hideki Sanjo

  • Differential roles of TLR2 and TLR4 in recognition of gram-negative and gram-positive bacterial cell wall components.

    Osamu Takeuchi;Katsuaki Hoshino;Taro Kawai;Hideki Sanjo

  • Unresponsiveness of MyD88-Deficient Mice to Endotoxin

    Taro Kawai;Osamu Adachi;Tomohiko Ogawa;Kiyoshi Takeda

  • Cellular responses to bacterial cell wall components are mediated through MyD88-dependent signaling cascades.

    Osamu Takeuchi;Kiyoshi Takeda;Katsuaki Hoshino;Osamu Adachi

  • Gene Expressions of Toll-Like Receptor 2, But Not Toll-Like Receptor 4, Is Induced by LPS and Inflammatory Cytokines in Mouse Macrophages

    Tetsuya Matsuguchi;Tipayaratn Musikacharoen;Tomohiko Ogawa;Yasunobu Yoshikai

  • Synthetic lipid A with endotoxic and related biological activities comparable to those of a natural lipid A from an Escherichia coli re-mutant.

    S Kotani;H Takada;M Tsujimoto;T Ogawa

  • Relationship between Structures and Biological Activities of Mycoplasmal Diacylated Lipopeptides and Their Recognition by Toll-Like Receptors 2 and 6

    Tsugumi Okusawa;Mari Fujita;Jun Ichiro Nakamura;Takeshi Into

  • Expression of toll-like receptor 2 on gamma delta T cells bearing invariant V gamma 6/V delta 1 induced by Escherichia coli infection in mice.

    Yasuji Mokuno;Tetsuya Matsuguchi;Manabu Takano;Hitoshi Nishimura

  • Cell activation by Porphyromonas gingivalis lipid A molecule through Toll-like receptor 4- and myeloid differentiation factor 88-dependent signaling pathway.

    Tomohiko Ogawa;Yasuyuki Asai;Masahito Hashimoto;Osamu Takeuchi

  • Separation and structural analysis of lipoprotein in a lipopolysaccharide preparation from Porphyromonas gingivalis.

    Masahito Hashimoto;Yasuyuki Asai;Tomohiko Ogawa

  • Antimicrobial Activity of Perilla Seed Polyphenols against Oral Pathogenic Bacteria

    Hiroyo Yamamoto;Tomohiko Ogawa

  • Increase in tumor necrosis factor alpha- and interleukin-6-secreting cells in peripheral blood mononuclear cells from subjects infected with Mycobacterium tuberculosis.

    T Ogawa;H Uchida;Y Kusumoto;Y Mori

  • Chemical structure and immunobiological activity of Porphyromonas gingivalis lipid A.

    Tomohiko Ogawa;Yasuyuki Asai;Yutaka Makimura;Riyoko Tamai

  • Bacterial fimbriae activate human peripheral blood monocytes utilizing TLR2, CD14 and CD11a/CD18 as cellular receptors.

    Tomohiko Ogawa;Yasuyuki Asai;Masahito Hashimoto;Hiroshi Uchida

  • Immunobiological activities of synthetic peptide segments of fimbrial protein from Porphyromonas gingivalis.

    Tomohiko Ogawa;Yutaka Kusumoto;Hiroshi Uchida;Shigeru Nagashima

  • Binding of Porphyromonas gingivalis fimbriae to Treponema denticola dentilisin.

    Masahito Hashimoto;Shuji Ogawa;Yasuyuki Asai;Yoshiaki Takai

  • Porphyromonas gingivalis fimbriae and their synthetic peptides induce proinflammatory cytokines in human peripheral blood monocyte cultures

    Tomohiko Ogawa;Hiroshi Uchida;Shigeyuki Hamada

  • Immunobiological activities of chemically defined lipid A from lipopolysaccharides of Porphyromonas gingivalis.

    Tomohiko Ogawa;Hiroshi Uchida;Kayoko Amino

  • Immunobiological activities of chemically defined lipid A from Helicobacter pylori LPS in comparison with Porphyromonas gingivalis lipid A and Escherichia coli-type synthetic lipid A (compound 506)

    Tomohiko Ogawa;Yasuo Suda;Wataru Kashihara;Tomoko Hayashi

  • Natural killer cell activities of synbiotic Lactobacillus casei ssp. casei in conjunction with dextran

    T Ogawa;Y Asai;R Tamai;Y Makimura

Frequent Co-Authors

Shozo Kotani
Shozo Kotani Osaka University
Haruhiko Takada
Haruhiko Takada Tohoku University
Shoichi Kusumoto
Shoichi Kusumoto Osaka University
Tetsuo Shiba
Tetsuo Shiba Osaka University
Ichiro Takahashi
Ichiro Takahashi Hiroshima University
Shigeyuki Hamada
Shigeyuki Hamada Osaka University
Shizuo Akira
Shizuo Akira Osaka University
Osamu Takeuchi
Osamu Takeuchi Kyoto University
Kiyoshi Takeda
Kiyoshi Takeda Osaka University
Haruki Okamura
Haruki Okamura Hyogo College of Medicine

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

If you’re pursuing a degree in Biology or Biochemistry, you’ll find a wide variety of related online programs and career paths in healthcare and the life sciences. Many students interested in applied biology fields choose allied health careers, thanks to the growing demand for qualified professionals in clinical, laboratory, or patient-care settings.

Online learning options make it easier than ever to advance in these areas. For example, radiology tech online programs provide foundational knowledge in medical imaging, preparing students for certification and entry-level jobs in healthcare facilities.

Nutrition is another fast-growing field. Enrolling in one of the top dietetics programs in the us allows you to combine scientific principles with counseling skills to promote better health through proper diet and nutrition.

Interested in direct patient care? Completing an online medical assisting school can lead to positions in doctors’ offices and clinics, while also offering financial aid options for eligible students.

Already a Certified Medical Assistant? You could consider bridging your education by choosing a cma to lpn program, which enables you to upskill and take on more advanced roles in patient care.

Best Scientists Citing Tomohiko Ogawa

Recently Published Articles