World's Best Scientists 2026 revealed!
Tadayuki Imanaka

Tadayuki Imanaka

D-Index & Metrics

Biology and Biochemistry

D-Index
85
Citations
24068
World Ranking
3174
National Ranking
200

Tadayuki 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 Tadayuki 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: 544 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

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

Tadayuki 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 Tadayuki 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: 85 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Overview

Tadayuki Imanaka is a researcher affiliated with Ritsumeikan University in Japan. Their primary area of study is medicine, with a particular focus on surgery, urology, rheumatology, cardiology and cardiovascular medicine, and oncology. Their research spans multiple topics related to urinary and reproductive health.

The main research topics covered by Imanaka include:

  • Urinary Bladder and Prostate Research
  • Pelvic floor disorders treatments
  • Hormonal and reproductive studies
  • Urinary and Genital Oncology Studies
  • Bladder and Urothelial Cancer Treatments
  • Urological Disorders and Treatments
  • Corneal surgery and disorders

Imanaka has contributed to several academic papers, some of which include:

  • "Prognostic Factors for Axial Length Elongation and Posterior Staphyloma in Adults With High Myopia: A Japanese Observational Study," 2020, American Journal of Ophthalmology
  • "Localization and potential role of prostate microbiota," 2022, Frontiers in Cellular and Infection Microbiology
  • "Implementation of repeat biopsy and detection of cancer after a diagnosis of atypical small acinar proliferation of the prostate," 2020, Molecular and Clinical Oncology
  • "KEAP1-NRF2 system regulates age-related spermatogenesis dysfunction," 2024, Reproductive Medicine and Biology
  • "Malignancy With Immunosuppression After Renal Transplantation: A Competing Risk Analysis," 2020, Transplantation Proceedings

They have published frequently in several journals including:

  • The Journal of Urology
  • Reproductive Medicine and Biology
  • Urology
  • Scientific Reports
  • Urology Case Reports

Frequent co-authors in their research collaborations include:

  • Kentaro Takezawa
  • Norio Nonomura
  • Sohei Kuribayashi
  • Go Tsujimura
  • Shinichiro Fukuhara

Best Publications

  • A study on the structure-function relationship of lipopeptide biosurfactants.

    Masaaki Morikawa;Yoshihiko Hirata;Tadayuki Imanaka

  • Complete genome sequence of the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1 and comparison with Pyrococcus genomes

    Toshiaki Fukui;Haruyuki Atomi;Tamotsu Kanai;Rie Matsumi

  • A new lipopeptide biosurfactant produced by Arthrobacter sp. strain MIS38.

    M Morikawa;H Daido;T Takao;S Murata

  • The concept of the α-amylase family: Structural similarity and common catalytic mechanism

    Takashi Kuriki;Tadayuki Imanaka

  • Characterization of DNA Polymerase from Pyrococcus sp. Strain KOD1 and Its Application to PCR

    Masahiro Takagi;Motomu Nishioka;Hirofumi Kakihara;Masao Kitabayashi

  • Targeted Gene Disruption by Homologous Recombination in the Hyperthermophilic Archaeon Thermococcus kodakaraensis KOD1

    Takaaki Sato;Toshiaki Fukui;Haruyuki Atomi;Tadayuki Imanaka

  • Description of Thermococcus kodakaraensis sp. nov., a well studied hyperthermophilic archaeon previously reported as Pyrococcus sp. KOD1

    Haruyuki Atomi;Toshiaki Fukui;Tamotsu Kanai;Masaaki Morikawa

  • A new way of enhancing the thermostability of proteases

    Tadayuki Imanaka;Mitsuyoshi Shibazaki;Masahiro Takagi

  • Biophysical Effect of Amino Acids on the Prevention of Protein Aggregation

    Kentaro Shiraki;Motonori Kudou;Shinsuke Fujiwara;Tadayuki Imanaka

  • Improved and Versatile Transformation System Allowing Multiple Genetic Manipulations of the Hyperthermophilic Archaeon Thermococcus kodakaraensis

    Takaaki Sato;Toshiaki Fukui;Haruyuki Atomi;Tadayuki Imanaka

  • Low-temperature lipase from psychrotrophic Pseudomonas sp. strain KB700A.

    Naeem Rashid;Yuji Shimada;Satoshi Ezaki;Haruyuki Atomi

  • Archaeal type III RuBisCOs function in a pathway for AMP metabolism.

    Takaaki Sato;Haruyuki Atomi;Tadayuki Imanaka

  • Formate-driven growth coupled with H2 production

    Yun Jae Kim;Hyun Sook Lee;Eun Sook Kim;Seung Seob Bae

  • Action of neopullulanase. Neopullulanase catalyzes both hydrolysis and transglycosylation at alpha-(1----4)- and alpha-(1----6)-glucosidic linkages.

    H Takata;T Kuriki;S Okada;Y Takesada

  • Extremely stable and versatile carboxylesterase from a hyperthermophilic archaeon

    Yuji Hotta;Satoshi Ezaki;Haruyuki Atomi;Tadayuki Imanaka

  • A unique chitinase with dual active sites and triple substrate binding sites from the hyperthermophilic archaeon Pyrococcus kodakaraensis KOD1.

    Takeshi Tanaka;Shinsuke Fujiwara;Shingo Nishikori;Toshiaki Fukui

  • Crystal Structure of DNA Polymerase from Hyperthermophilic Archaeon Pyrococcus Kodakaraensis Kod1

    Hiroshi Hashimoto;Motomu Nishioka;Shinsuke Fujiwara;Masahiro Takagi

  • Continuous hydrogen production by the hyperthermophilic archaeon, Thermococcus kodakaraensis KOD1.

    Tamotsu Kanai;Hiroyuki Imanaka;Akihito Nakajima;Kenetsu Uwamori

  • Reverse Gyrase Is Not a Prerequisite for Hyperthermophilic Life

    Haruyuki Atomi;Rie Matsumi;Tadayuki Imanaka

  • Cloning of the genes for penicillinase, penP and penI, of Bacillus licheniformis in some vector plasmids and their expression in Escherichia coli, Bacillus subtilis, and Bacillus licheniformis.

    T Imanaka;T Tanaka;H Tsunekawa;S Aiba

Frequent Co-Authors

Haruyuki Atomi
Haruyuki Atomi Kyoto University
Masahiro Takagi
Masahiro Takagi Kyoto Sangyo University
Toshiaki Fukui
Toshiaki Fukui Tokyo Institute of Technology
Kunio Miki
Kunio Miki Kyoto University
Kenichi Yoshikawa
Kenichi Yoshikawa Doshisha University
Shigenori Kanaya
Shigenori Kanaya Osaka University
Yasushi Kai
Yasushi Kai Osaka University
Tsuyoshi Inoue
Tsuyoshi Inoue Osaka University
Kiichi Fukui
Kiichi Fukui Osaka University
Eiichiro Fukusaki
Eiichiro Fukusaki Osaka University

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