World's Best Scientists 2026 revealed!
Hiroyuki Kagamiyama

Hiroyuki Kagamiyama

D-Index & Metrics

Biology and Biochemistry

D-Index
62
Citations
10690
World Ranking
11029
National Ranking
758

Hiroyuki Kagamiyama 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 Hiroyuki Kagamiyama 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: 218 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Hiroyuki Kagamiyama 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 Hiroyuki Kagamiyama 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: 62 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Overview

Hiroyuki Kagamiyama is affiliated with Osaka Medical College in Japan. Their academic profile is centered around their role at this institution, contributing to medical education and research.

There is no publicly available record of recent papers, frequent co-authors, or specific publication venues connected to their work. Similarly, no detailed data is found regarding book publications or awards received by this researcher.

Their documented research does not specify particular main fields of study, subfields, or main topics of work. This absence of detailed publication or thematic data suggests a limited publicly accessible research output or a focus on areas not extensively indexed in major academic databases.

Despite this, association with Osaka Medical College indicates involvement in medical sciences or related biomedical fields, which are generally central to this institution's research focus.

Best Publications

  • Directed evolution of an aspartate aminotransferase with new substrate specificities

    Takato Yano;Shinya Oue;Hiroyuki Kagamiyama

  • OCAM: A New Member of the Neural Cell Adhesion Molecule Family Related to Zone-to-Zone Projection of Olfactory and Vomeronasal Axons

    Yoshihiro Yoshihara;Miwa Kawasaki;Atsushi Tamada;Hiroko Fujita

  • Complete nucleotide sequence of the metapyrocatechase gene on the TOI plasmid of Pseudomonas putida mt-2.

    C Nakai;H Kagamiyama;M Nozaki;T Nakazawa

  • ADP-ribosylation of histone H1. Identification of glutamic acid residues 2, 14, and the COOH-terminal lysine residue as modification sites.

    N Ogata;K Ueda;H Kagamiyama;O Hayaishi

  • Complete nucleotide sequence of cDNA and predicted amino acid sequence of rat acyl-CoA oxidase.

    S Miyazawa;H Hayashi;M Hijikata;N Ishii

  • Directed Evolution of Thermostable Kanamycin-Resistance Gene: A Convenient Selection Marker for Thermus thermophilus.

    Jun Hoseki;Takato Yano;Yoshinori Koyama;Seiki Kuramitsu

  • Redesigning the substrate specificity of an enzyme by cumulative effects of the mutations of non-active site residues.

    Shinya Oue;Akihiro Okamoto;Takato Yano;Hiroyuki Kagamiyama

  • Feedback regulation mechanisms for the control of GTP cyclohydrolase I activity

    Toshie Harada;Hiroyuki Kagamiyama;Kazuyuki Hatakeyama

  • Pre-steady-state kinetics of Escherichia coli aspartate aminotransferase catalyzed reactions and thermodynamic aspects of its substrate specificity.

    Seiki Kuramitsu;Keitaro Hiromi;Hideyuki Hayashi;Yoshimasa Morino

  • Molecular cloning and nucleotide sequence of the cDNA for rat peroxisomal enoyl-CoA: hydratase-3-hydroxyacyl-CoA dehydrogenase bifunctional enzyme.

    T Osumi;N Ishii;M Hijikata;K Kamijo

  • A genetic approach to visualization of multisynaptic neural pathways using plant lectin transgene.

    Yoshihiro Yoshihara;Yoshihiro Yoshihara;Yoshihiro Yoshihara;Takeo Mizuno;Takeo Mizuno;Masakiyo Nakahira;Masakiyo Nakahira;Miwa Kawasaki

  • X-Ray Crystallographic Study of Pyridoxal 5′-Phosphate-Type Aspartate Aminotransferases from Escherichia coli in Open and Closed Form

    Akihiro Okamoto;Taiichi Higuchi;Ken Hirotsu;Seiki Kuramitsu

  • Structural similarity of bovine lung prostaglandin F synthase to lens epsilon-crystallin of the European common frog.

    Kikuko Watanabe;Yutaka Fujii;Kazuhisa Nakayama;Hiroaki Ohkubo

  • Reaction mechanism of alanine racemase from Bacillus stearothermophilus: x-ray crystallographic studies of the enzyme bound with N-(5'-phosphopyridoxyl)alanine.

    Akira Watanabe;Tohru Yoshimura;Bunzo Mikami;Hideyuki Hayashi

  • The primary structure of thermostable D-amino acid aminotransferase from a thermophilic Bacillus species and its correlation with L-amino acid aminotransferases.

    K Tanizawa;S Asano;Y Masu;S Kuramitsu

  • An ICAM-related neuronal glycoprotein, telencephalin, with brain segment-specific expression.

    Yoshihiro Yoshihara;Shogo Oka;Yasuo Nemoto;Yasuyoshi Watanabe

  • Escherichia coli aromatic amino acid aminotransferase: Characterization and comparison with aspartate aminotransferase

    Hideyuki Hayashi;Katsura Inoue;Toshihito Nagata;Seiki Kuramitsu

  • BIG-1: a new TAG-1/F3-related member of the immunoglobulin superfamily with neurite outgrowth-promoting activity.

    Yoshihiro Yoshihara;Yoshihiro Yoshihara;Miwa Kawasaki;Akiko Tani;Atsushi Tamada

  • Disruption of Thermus thermophilus genes by homologous recombination using a thermostable kanamycin-resistant marker

    Yasuko Hashimoto;Takato Yano;Seiki Kuramitsu;Hiroyuki Kagamiyama

  • Cloning and sequencing of cDNA encoding rat GTP cyclohydrolase I. The first enzyme of the tetrahydrobiopterin biosynthetic pathway.

    K Hatakeyama;Y Inoue;T Harada;H Kagamiyama

Frequent Co-Authors

Yoshimasa Morino
Yoshimasa Morino Kumamoto University
Kensaku Mori
Kensaku Mori University of Tokyo
Ken Hirotsu
Ken Hirotsu Osaka Metropolitan University
Seiki Kuramitsu
Seiki Kuramitsu Osaka University
Hiroyuki Mizuguchi
Hiroyuki Mizuguchi Osaka University
Shigekazu Nagata
Shigekazu Nagata Osaka University
Yasuyoshi Watanabe
Yasuyoshi Watanabe Osaka Metropolitan University
Kenji Soda
Kenji Soda Kansai University
Osamu Hayaishi
Osamu Hayaishi Osaka Bioscience Institute

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