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Genetics
Taiwan
2026

D-Index & Metrics

Genetics

D-Index
80
Citations
20277
World Ranking
1593
National Ranking
3

Norihiro Okada publication distribution in Genetics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Genetics in 2026. The highlighted bar marks where Norihiro Okada sits on this spectrum.

45–54 publications: 6 scientists 55–64 publications: 10 scientists 65–74 publications: 35 scientists 75–84 publications: 84 scientists 85–94 publications: 102 scientists 95–104 publications: 151 scientists 105–114 publications: 175 scientists 115–124 publications: 203 scientists 125–134 publications: 217 scientists 135–144 publications: 205 scientists 145–154 publications: 193 scientists 155–164 publications: 188 scientists 165–174 publications: 170 scientists 175–184 publications: 178 scientists 185–194 publications: 164 scientists 195–204 publications: 173 scientists 205–214 publications: 159 scientists 215–224 publications: 134 scientists 225–234 publications: 143 scientists 235–244 publications: 105 scientists 245–254 publications: 114 scientists 255–264 publications: 92 scientists 265–274 publications: 88 scientists 275–284 publications: 87 scientists 285–294 publications: 80 scientists 295–304 publications: 62 scientists 305–314 publications: 75 scientists 315–324 publications: 67 scientists 325–334 publications: 60 scientists 335–344 publications: 52 scientists 345–354 publications: 40 scientists 355–364 publications: 48 scientists 365–374 publications: 47 scientists 375–384 publications: 46 scientists 385–394 publications: 31 scientists 395–404 publications: 27 scientists 405–414 publications: 40 scientists 415–424 publications: 30 scientists 425–434 publications: 43 scientists 435–444 publications: 29 scientists 445–454 publications: 14 scientists 455–464 publications: 28 scientists 465–474 publications: 21 scientists 475–484 publications: 21 scientists 485–494 publications: 22 scientists 495–504 publications: 17 scientists 505–514 publications: 12 scientists 515–524 publications: 11 scientists 525–534 publications: 8 scientists 535–544 publications: 8 scientists 545–554 publications: 14 scientists 555–564 publications: 4 scientists 565–574 publications: 11 scientists 575–584 publications: 5 scientists 585–594 publications: 11 scientists 595–604 publications: 12 scientists 605–614 publications: 7 scientists 615–624 publications: 6 scientists 625–634 publications: 10 scientists 635–644 publications: 9 scientists 645–654 publications: 10 scientists 655–664 publications: 6 scientists 665–674 publications: 6 scientists 675–684 publications: 6 scientists 685–694 publications: 4 scientists 695–702 publications: 6 scientists 703+ publications: 100 scientists
45 publications 703+

This scientist: 253 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 703 publications or more.

Norihiro Okada D-index placement in Genetics in 2026

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

40–41 D-Index: 24 scientists 42–43 D-Index: 52 scientists 44–45 D-Index: 84 scientists 46–47 D-Index: 112 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 141 scientists 52–53 D-Index: 143 scientists 54–55 D-Index: 145 scientists 56–57 D-Index: 179 scientists 58–59 D-Index: 162 scientists 60–61 D-Index: 175 scientists 62–63 D-Index: 191 scientists 64–65 D-Index: 172 scientists 66–67 D-Index: 184 scientists 68–69 D-Index: 164 scientists 70–71 D-Index: 158 scientists 72–73 D-Index: 150 scientists 74–75 D-Index: 136 scientists 76–77 D-Index: 127 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 111 scientists 82–83 D-Index: 110 scientists 84–85 D-Index: 110 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 102 scientists 90–91 D-Index: 66 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 70 scientists 96–97 D-Index: 54 scientists 98–99 D-Index: 60 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 55 scientists 104–105 D-Index: 45 scientists 106–107 D-Index: 42 scientists 108–109 D-Index: 28 scientists 110–111 D-Index: 39 scientists 112–113 D-Index: 25 scientists 114–115 D-Index: 31 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 34 scientists 120–121 D-Index: 29 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 27 scientists 128–129 D-Index: 22 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 11 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 21 scientists 140–141 D-Index: 4 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 14 scientists 146–147 D-Index: 6 scientists 148–149 D-Index: 10 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 9 scientists 154–155 D-Index: 8 scientists 156–157 D-Index: 8 scientists 158–159 D-Index: 9 scientists 160+ D-Index: 96 scientists
40 D-Index 160+

This scientist: 80 D-Index — 64th percentile

64% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 160 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Genetics in Taiwan Leader Award
  • 2025 - Research.com Genetics in Taiwan Leader Award
  • 2024 - Research.com Genetics in Taiwan Leader Award
  • 2023 - Research.com Genetics in Taiwan Leader Award
  • 2000 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Norihiro Okada is a researcher affiliated with National Cheng Kung University in Taiwan, specializing in Medicine with a focus on several subfields including Molecular Biology, Hematology, Cardiology and Cardiovascular Medicine, Ecology, and Ecology, Evolution, Behavior and Systematics.

Okada's work encompasses a diverse range of topics within biomedical and ecological sciences. The primary themes in their research include RNA Research and Splicing, Tryptophan and brain disorders, Physiological and biochemical adaptations, Hemophilia Treatment and Research, Animal Behavior and Reproduction, Adipose Tissue and Metabolism, and Neuroinflammation and Neurodegeneration Mechanisms.

Their recent notable publications are as follows:

  • Catheter ablation of atrial fibrillation reduces heart failure rehospitalization in patients with heart failure with preserved ejection fraction, 2020, Journal of Cardiovascular Electrophysiology
  • Behavioral and brain- transcriptomic synchronization between the two opponents of a fighting pair of the fish Betta splendens, 2020, PLoS Genetics
  • Long-term safety and efficacy of emicizumab for up to 5.8 years and patients' perceptions of symptoms and daily life: A phase 1/2 study in patients with severe haemophilia A, 2020, Haemophilia
  • Vascular imaging of patients with refractory Takayasu arteritis treated with tocilizumab: post hoc analysis of a randomized controlled trial, 2021, Lara D. Veeken
  • Genomic Signatures for Species-Specific Adaptation in Lake Victoria Cichlids Derived from Large-Scale Standing Genetic Variation, 2021, Molecular Biology and Evolution

Frequent co-authors collaborating with Okada include:

  • Kenshiro Oshima (17 collaborations)
  • Akiko Maruko (12 collaborations)
  • Trieu-Duc Vu (11 collaborations)
  • Yuki Iwasaki (10 collaborations)
  • Masato Nikaido (7 collaborations)

Okada's publications frequently appear in the following venues:

  • Gene (4 publications)
  • bioRxiv (Cold Spring Harbor Laboratory) (4 publications)
  • BMC Genomics (2 publications)
  • Data in Brief (2 publications)
  • Blood (2 publications)

Okada has been recognized as a Fellow of the American Association for the Advancement of Science (AAAS) since 2000.

Best Publications

  • The genomic substrate for adaptive radiation in African cichlid fish

    David Brawand;David Brawand;Catherine E. Wagner;Catherine E. Wagner;Yang I. Li;Milan Malinsky;Milan Malinsky

  • Phylogenetic relationships among cetartiodactyls based on insertions of short and long interpersed elements: hippopotamuses are the closest extant relatives of whales.

    Masato Nikaido;Alejandro P. Rooney;Norihiro Okada

  • SINE insertions: powerful tools for molecular systematics.

    Andrew M. Shedlock;Norihiro Okada

  • Integrative Annotation of 21,037 Human Genes Validated by Full-Length cDNA Clones

    Tadashi Imanishi;Takeshi Itoh;Yutaka Suzuki;Claire O'Donovan

  • Towards Resolving the Interordinal Relationships of Placental Mammals

    Peter J. Waddell;Norihiro Okada;Masami Hasegawa

  • LINEs Mobilize SINEs in the Eel through a Shared 3′ Sequence

    Masaki Kajikawa;Norihiro Okada

  • SINEs and LINEs Share Common 3' Sequences: A Review

    Norihiro Okada;Mitsuhiro Hamada;Ikuo Ogiwara;Kazuhiko Ohshima

  • Pegasoferae, an unexpected mammalian clade revealed by tracking ancient retroposon insertions.

    Hidenori Nishihara;Masami Hasegawa;Norihiro Okada

  • Retroposon analysis of major cetacean lineages : the monophyly of toothed whales and the paraphyly of river dolphins

    Masato Nikaido;Fumio Matsuno;Healy Hamilton;Robert L. Brownell

  • Functional noncoding sequences derived from SINEs in the mammalian genome

    Hidenori Nishihara;Arian F.A. Smit;Norihiro Okada

  • Conflict among individual mitochondrial proteins in resolving the phylogeny of eutherian orders.

    Ying Cao;Axel Janke;Peter J. Waddell;Michael Westerman

  • Phylogenetic Relationships and Ancient Incomplete Lineage Sorting Among Cichlid Fishes in Lake Tanganyika as Revealed by Analysis of the Insertion of Retroposons

    Kazuhiko Takahashi;Yohey Terai;Mutsumi Nishida;Norihiro Okada

  • Determination of the phylogenetic relationships among Pacific salmonids by using short interspersed elements (SINEs) as temporal landmarks of evolution

    Shigenori Murata;Nobuyoshi Takasaki;Masako Saitoh;Norihiro Okada

  • Divergent Selection on Opsins Drives Incipient Speciation in Lake Victoria Cichlids

    Yohey Terai;Ole Seehausen;Takeshi N. Sasaki;Kazuhiko Takahashi

  • Alternative Tertiary Structure of tRNA for Recognition by a Posttranscriptional Modification Enzyme

    Ryuichiro Ishitani;Osamu Nureki;Nobukazu Nameki;Norihiro Okada

  • The 3' ends of tRNA-derived short interspersed repetitive elements are derived from the 3' ends of long interspersed repetitive elements.

    K Ohshima;M Hamada;Y Terai;N Okada

  • Development of the embryo, larva and early juvenile of Nile tilapia Oreochromis niloticus (Pisces: Cichlidae). Developmental staging system

    Koji Fujimura;Norihiro Okada

  • SINEs of speciation: tracking lineages with retroposons

    Andrew M. Shedlock;Kazuhiko Takahashi;Norihiro Okada;Norihiro Okada

  • Seasonal change in bacterial flora and biomass in mountain snow from the Tateyama Mountains, Japan, analyzed by 16S rRNA gene sequencing and real-time PCR.

    Takahiro Segawa;Koji Miyamoto;Kazunari Ushida;Kiyokazu Agata

  • Possible involvement of SINEs in mammalian-specific brain formation

    Takeshi Sasaki;Hidenori Nishihara;Mika Hirakawa;Koji Fujimura

Frequent Co-Authors

Masami Hasegawa
Masami Hasegawa The Institute of Statistical Mathematics
Susumu Nishimura
Susumu Nishimura University of Tsukuba
Ole Seehausen
Ole Seehausen University of Bern
Takashi Gojobori
Takashi Gojobori King Abdullah University of Science and Technology
Naoki Kobayashi
Naoki Kobayashi University of Tokyo
Mutsumi Nishida
Mutsumi Nishida University of the Ryukyus
Yuji Kohara
Yuji Kohara National Institute of Genetics
Asao Fujiyama
Asao Fujiyama National Institute of Genetics
Kerstin Lindblad-Toh
Kerstin Lindblad-Toh Uppsala University
Sumio Sugano
Sumio Sugano University of Tokyo

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These related online degrees can complement a background in genetics, providing you with versatile career pathways both in and out of the lab.

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