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Shin-ichi Usami

Shin-ichi Usami

Shinshu University
Japan

D-Index & Metrics

Biology and Biochemistry

D-Index
64
Citations
14496
World Ranking
9676
National Ranking
648

Shin-ichi Usami 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 Shin-ichi Usami 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: 347 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

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

Shin-ichi Usami 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 Shin-ichi Usami 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: 64 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Overview

Shin-ichi Usami is affiliated with Shinshu University in Japan and focuses primarily on research related to hearing, cochlea, tinnitus, and genetics. Their work spans multiple disciplines including neuroscience, medicine, and biochemistry, genetics, and molecular biology. Within these broader fields, Usami's research concentrates on sensory systems, molecular biology, otorhinolaryngology, cognitive neuroscience, and neurology.

Their recent scholarly output includes several papers published between 2020 and 2021. Notable publications include "The genetic etiology of hearing loss in Japan revealed by the social health insurance-based genetic testing of 10K patients" (2021, Human Genetics), "Cochlear Implantation From the Perspective of Genetic Background" (2020, The Anatomical Record), "Digenic inheritance of mutations in EPHA2 and SLC26A4 in Pendred syndrome" (2020, Nature Communications), "Disease-specific ACMG/AMP guidelines improve sequence variant interpretation for hearing loss" (2021, Genetics in Medicine), and "Prevalence and clinical features of hearing loss caused by EYA4 variants" (2020, Scientific Reports).

Usami has collaborated extensively with several co-authors. Frequent collaborators include Shin-ya Nishio, Hidekane Yoshimura, Hideaki Moteki, Satoshi Iwasaki, and Masahiro Takahashi.

The publication venues where Usami's work appears most often include:

  • Acta Oto-Laryngologica
  • Genes
  • Human Genetics
  • Practica Oto-Rhino-Laryngologica
  • Scientific Reports

The main topics covered in Usami's research are:

  • Hearing, Cochlea, Tinnitus, Genetics
  • Ear Surgery and Otitis Media
  • Hearing Loss and Rehabilitation
  • Vestibular and auditory disorders
  • Congenital heart defects research
  • Genetics and Neurodevelopmental Disorders
  • Cellular transport and secretion

Best Publications

  • Congenital hearing loss.

    Anna M.H. Korver;Richard J.H. Smith;Guy Van Camp;Mark R. Schleiss

  • Prevalent connexin 26 gene (GJB2) mutations in Japanese

    Satoko Abe;Shin-ichi Usami;Hideichi Shinkawa;Philip M Kelley

  • Organization of AMPA Receptor Subunits at a Glutamate Synapse: A Quantitative Immunogold Analysis of Hair Cell Synapses in the Rat Organ of Corti

    Atsushi Matsubara;Jon H. Laake;Svend Davanger;Shin Ichi Usami

  • Non-syndromic hearing loss associated with enlarged vestibular aqueduct is caused by PDS mutations

    Shin Ichi Usami;Satoko Abe;Mike D. Weston;Hideichi Shinkawa

  • Origins and frequencies of SLC26A4 (PDS) mutations in east and south Asians: global implications for the epidemiology of deafness

    Park Hj;Shaukat S;Liu Xz;Hahn Sh

  • Differential Localization of δ Glutamate Receptors in the Rat Cerebellum: Coexpression with AMPA Receptors in Parallel Fiber–Spine Synapses and Absence from Climbing Fiber–Spine Synapses

    Alf Sommer Landsend;Mahmood Amiry-Moghaddam;Atsushi Matsubara;Linda Bergersen

  • Distribution and frequencies of PDS (SLC26A4) mutations in Pendred syndrome and nonsyndromic hearing loss associated with enlarged vestibular aqueduct: a unique spectrum of mutations in Japanese

    Koji Tsukamoto;Hiroaki Suzuki;Daisuke Harada;Atsushi Namba

  • Prevalence of mitochondrial gene mutations among hearing impaired patients.

    Shin-ichi Usami;Satoko Abe;Jiro Akita;Atsushi Namba

  • Expression of the P2X(2) receptor subunit of the ATP-gated ion channel in the cochlea: implications for sound transduction and auditory neurotransmission.

    Gary D. Housley;Refik Kanjhan;Nicholas P. Raybould;Denise Greenwood

  • Genomic structure and identification of novel mutations in Usherin, the gene responsible for Usher syndrome type IIa.

    M. D. Weston;J. D. Eudy;S. Fujita;S.-F. Yao

  • GJB2 deafness gene shows a specific spectrum of mutations in Japan, including a frequent founder mutation

    Akihiro Ohtsuka;Isamu Yuge;Shinobu Kimura;Atsushi Namba

  • Towards a consensus on a hearing preservation classification system.

    H. Skarz̈yński;P.H. Van De Heyning;S. Agrawal;S.L. Arauz

  • A New Autosomal Recessive Form of Stickler Syndrome Is Caused by a Mutation in the COL9A1 Gene

    Guy Van Camp;Rikkert L. Snoeckx;Nele Hilgert;Jenneke van den Ende

  • Exacerbation of Noise-Induced Hearing Loss in Mice Lacking the Glutamate Transporter GLAST

    Nobuhiro Hakuba;Kenichiro Koga;Kiyofumi Gyo;Shin-ichi Usami

  • Genetic and clinical features of sensorineural hearing loss associated with the 1555 mitochondrial mutation

    Shin Ichi Usami;Satoko Abe;Miyo Kasai;Hideichi Shinkawa

  • Identification of CRYM as a Candidate Responsible for Nonsyndromic Deafness, through cDNA Microarray Analysis of Human Cochlear and Vestibular Tissues*

    Satoko Abe;Toyomasa Katagiri;Akihiko Saito-Hisaminato;Shin-ichi Usami

  • Utilizing Ethnic-Specific Differences in Minor Allele Frequency to Recategorize Reported Pathogenic Deafness Variants

    A. Eliot Shearer;Robert W. Eppsteiner;Kevin T. Booth;Sean S. Ephraim

  • Mutations in the gene encoding KIAA1199 protein, an inner-ear protein expressed in Deiters’ cells and the fibrocytes, as the cause of nonsyndromic hearing loss

    Satoko Abe;Shin-ichi Usami;Yusuke Nakamura

  • A large cohort study of GJB2 mutations in Japanese hearing loss patients.

    K Tsukada;S Nishio;S Usami

  • Molecular organization of a type of peripheral glutamate synapse: the afferent synapses of hair cells in the inner ear

    Ole P Ottersen;Yutaka Takumi;Atsushi Matsubara;Alf S Landsend

Frequent Co-Authors

William J. Kimberling
William J. Kimberling University of Iowa
Ole Petter Ottersen
Ole Petter Ottersen University of Oslo
Richard J.H. Smith
Richard J.H. Smith University of Iowa
Hinrich Staecker
Hinrich Staecker University of Kansas
Paul Van de Heyning
Paul Van de Heyning University of Antwerp
Luis Lassaletta
Luis Lassaletta Technical University of Madrid
Guy Van Camp
Guy Van Camp University of Antwerp
Yusuke Nakamura
Yusuke Nakamura National Institutes of Biomedical Innovation, Health and Nutrition

External Links

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Best Scientists Citing Shin-ichi Usami

Richard J.H. Smith

Richard J.H. Smith

University of Iowa

Publications: 89

Min-Xin Guan

Min-Xin Guan

Zhejiang University

Publications: 48

Ole Petter Ottersen

Ole Petter Ottersen

University of Oslo

Publications: 46

M. Charles Liberman

M. Charles Liberman

Massachusetts Eye and Ear Infirmary

Publications: 45

Masahiko Watanabe

Masahiko Watanabe

Hokkaido University

Publications: 44

Gary D. Housley

Gary D. Housley

University of New South Wales

Publications: 41

Andrew J. Griffith

Andrew J. Griffith

National Institutes of Health

Publications: 37

Christine Petit

Christine Petit

Université Paris Cité

Publications: 36

Mustafa Tekin

Mustafa Tekin

University of Miami

Publications: 36

Guy Van Camp

Guy Van Camp

University of Antwerp

Publications: 35

Masayoshi Mishina

Masayoshi Mishina

Ritsumeikan University

Publications: 35

Cor W. R. J. Cremers

Cor W. R. J. Cremers

Radboud University

Publications: 30

Karen B. Avraham

Karen B. Avraham

Tel Aviv University

Publications: 30

Hannie Kremer

Hannie Kremer

Radboud University

Publications: 29

Ronald S. Petralia

Ronald S. Petralia

National Institutes of Health

Publications: 29

Robert J. Wenthold

Robert J. Wenthold

National Institutes of Health

Publications: 29

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