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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 99 1073 1025 36 36 587 62900

Masahiro Hirano publications per year

The chart shows the history of publications by Masahiro Hirano between 1964 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Masahiro Hirano published across 62 years, from 1964 to 2025, averaging 12.3 papers a year. Output peaked at 100 publications in 2008. 8 of the 765 publications appeared in the last two years.

No. of publications
25 50 75 100
Bar chart. Horizontal axis: year, 1964 to 2025. Vertical axis: number of publications, 0 to 100. Peak 100 publications in 2008. 1964: 1 publication 1965: 0 publications 1966: 1 publication 1967: 0 publications 1968: 2 publications 1969: 0 publications 1970: 1 publication 1971: 1 publication 1972: 3 publications 1973: 3 publications 1974: 2 publications 1975: 3 publications 1976: 6 publications 1977: 8 publications 1978: 2 publications 1979: 1 publication 1980: 5 publications 1981: 4 publications 1982: 3 publications 1983: 2 publications 1984: 1 publication 1985: 3 publications 1986: 2 publications 1987: 3 publications 1988: 5 publications 1989: 3 publications 1990: 3 publications 1991: 2 publications 1992: 4 publications 1993: 4 publications 1994: 5 publications 1995: 3 publications 1996: 7 publications 1997: 6 publications 1998: 2 publications 1999: 9 publications 2000: 32 publications 2001: 40 publications 2002: 55 publications 2003: 43 publications 2004: 61 publications 2005: 50 publications 2006: 50 publications 2007: 40 publications 2008: 100 publications 2009: 59 publications 2010: 35 publications 2011: 25 publications 2012: 5 publications 2013: 9 publications 2014: 8 publications 2015: 7 publications 2016: 6 publications 2017: 4 publications 2018: 5 publications 2019: 4 publications 2020: 5 publications 2021: 2 publications 2022: 1 publication 2023: 1 publication 2024: 6 publications 2025: 2 publications
1964 2025

765 publications in total across all disciplines

View publications per year as a table
Masahiro Hirano: publications per year, 1964 to 2025
Year Publications
1964 1
1965 0
1966 1
1967 0
1968 2
1969 0
1970 1
1971 1
1972 3
1973 3
1974 2
1975 3
1976 6
1977 8
1978 2
1979 1
1980 5
1981 4
1982 3
1983 2
1984 1
1985 3
1986 2
1987 3
1988 5
1989 3
1990 3
1991 2
1992 4
1993 4
1994 5
1995 3
1996 7
1997 6
1998 2
1999 9
2000 32
2001 40
2002 55
2003 43
2004 61
2005 50
2006 50
2007 40
2008 100
2009 59
2010 35
2011 25
2012 5
2013 9
2014 8
2015 7
2016 6
2017 4
2018 5
2019 4
2020 5
2021 2
2022 1
2023 1
2024 6
2025 2
Total 765
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Masahiro Hirano publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Masahiro Hirano sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 570–589 publications, is where this scientist sits. 50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50–69 publications 1,163+

This scientist: 587 publications — 91st percentile

91% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487
130–149 723
150–169 835
170–189 850
190–209 891
210–229 862
230–249 766
250–269 726
270–289 665
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111 587
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
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Masahiro Hirano D-index placement in Materials Science in 2026

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

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 98–99 D-Index, is where this scientist sits. 40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40–41 D-Index 165+

This scientist: 99 D-Index — 92nd percentile

92% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612
48–49 598
50–51 657
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490
68–69 469
70–71 378
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107 99
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
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Overview

Masahiro Hirano is a researcher primarily affiliated with the Tokyo Institute of Technology in Japan. Their work spans multiple subfields intersecting medicine and material sciences, with a strong focus on musculoskeletal health and cardiovascular medicine.

The scientist's research contributions are concentrated in the field of Medicine, encompassing 27 publications. Within this broad area, key subfields include:

  • Cardiology and Cardiovascular Medicine
  • Materials Chemistry
  • Surgery
  • Biomedical Engineering
  • Radiology, Nuclear Medicine and Imaging

Hirano's research topics reflect this multidisciplinary approach and include:

  • Musculoskeletal pain and rehabilitation
  • Ergonomics and Musculoskeletal Disorders
  • Muscle activation and electromyography studies
  • Cardiac Imaging and Diagnostics
  • Cardiac Valve Diseases and Treatments
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography

Among Hirano's notable recent papers are:

  • Validity and reliability of isometric knee extension muscle strength measurements using a belt-stabilized hand-held dynamometer: a comparison with the measurement using an isokinetic dynamometer in a sitting posture (2020), Journal of Physical Therapy Science
  • Design and performance of a silicon-tungsten calorimeter prototype module and the associated readout (2020), Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
  • Effects of β-blocker Administration on Cardiac Function: A Coronary Computed Tomography Angiography Study (2022), Current Medical Imaging Formerly Current Medical Imaging Reviews
  • A Case in Which Mitral Valve Replacement Was Performed for Recurrent Severe Mitral Regurgitation by Single Leaflet Device Attachment (SLDA) after MitraClip (2020), Japanese Journal of Cardiovascular Surgery
  • Correction: Motor planning error in Parkinson's disease and its clinical correlates (2020), PLoS ONE

Hirano frequently publishes in several venues, including:

  • Journal of Physical Therapy Science
  • Japanese Journal of Cardiovascular Surgery
  • Rigakuryoho Kagaku
  • The Cambridge Structural Database
  • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment

Collaborative work is notable in Hirano's career, with frequent coauthors being:

  • Munenori Katoh
  • Saori Arai
  • Yuta Kitagata
  • Hiroshi Tsuneyoshi
  • Ken Yamanaka

Best Publications

  • Iron-Based Layered Superconductor La[O1-xFx]FeAs (x = 0.05−0.12) with Tc = 26 K

    Yoichi Kamihara;Takumi Watanabe;Masahiro Hirano;Hideo Hosono

  • Room-temperature fabrication of transparent flexible thin-film transistors using amorphous oxide semiconductors

    Kenji Nomura;Hiromichi Ohta;Akihiro Takagi;Toshio Kamiya

  • Thin-Film Transistor Fabricated in Single-Crystalline Transparent Oxide Semiconductor

    Kenji Nomura;Hiromichi Ohta;Kazushige Ueda;Toshio Kamiya

  • Iron-Based Layered Superconductor: LaOFeP

    Yoichi Kamihara;Hidenori Hiramatsu;Masahiro Hirano;Ryuto Kawamura

  • Amorphous Oxide Semiconductors for High-Performance Flexible Thin-Film Transistors

    Kenji Nomura;Akihiro Takagi;Toshio Kamiya;Hiromichi Ohta

  • Superconductivity at 43 K in an iron-based layered compound LaO 1-x F x FeAs

    Hiroki Takahashi;Kazumi Igawa;Kazunobu Arii;Yoichi Kamihara

  • Deep-ultraviolet transparent conductive β-Ga2O3 thin films

    Masahiro Orita;Hiromichi Ohta;Masahiro Hirano;Hideo Hosono

  • Carrier transport in transparent oxide semiconductor with intrinsic structural randomness probed using single-crystalline InGaO3(ZnO)5 films

    Kenji Nomura;Toshio Kamiya;Hiromichi Ohta;Kazushige Ueda

  • Giant thermoelectric Seebeck coefficient of a two-dimensional electron gas in SrTiO3

    Hiromichi Ohta;Hiromichi Ohta;SungWng Kim;Yoriko Mune;Teruyasu Mizoguchi

  • Amorphous transparent conductive oxide InGaO3(ZnO)m (m≤ 4): a Zn4s conductor

    M. Orita;H. Ohta;M. Hirano;S. Narushima

  • 42.1: Invited Paper: Improved Amorphous In‐Ga‐Zn‐O TFTs

    Ryo Hayashi;Ayumu Sato;Masato Ofuji;Katsumi Abe

  • High-density electron anions in a nanoporous single crystal: [Ca24Al28O64]4+(4e-).

    Satoru Matsuishi;Yoshitake Toda;Masashi Miyakawa;Katsuro Hayashi

  • Current injection emission from a transparent p–n junction composed of p-SrCu2O2/n-ZnO

    Hiromichi Ohta;Ken-ichi Kawamura;Masahiro Orita;Masahiro Hirano

  • p-channel thin-film transistor using p-type oxide semiconductor, SnO

    Yoichi Ogo;Hidenori Hiramatsu;Kenji Nomura;Hiroshi Yanagi

  • Epitaxial growth of transparent p-type conducting CuGaO2 thin films on sapphire (001) substrates by pulsed laser deposition

    K. Ueda;T. Hase;H. Yanagi;H. Kawazoe

  • Light-induced conversion of an insulating refractory oxide into a persistent electronic conductor.

    Katsuro Hayashi;Satoru Matsuishi;Toshio Kamiya;Masahiro Hirano

  • Fabrication and photoresponse of a pn-heterojunction diode composed of transparent oxide semiconductors, p-NiO and n-ZnO

    Hiromichi Ohta;Masahiro Hirano;Ken Nakahara;Hideaki Maruta

  • Carrier transport and electronic structure in amorphous oxide semiconductor, a-InGaZnO4

    Akihiro Takagi;Kenji Nomura;Hiromichi Ohta;Hiromichi Ohta;Hiroshi Yanagi

  • Large thermoelectric performance of heavily Nb-doped SrTiO3 epitaxial film at high temperature

    Shingo Ohta;Takashi Nomura;Hiromichi Ohta;Masahiro Hirano

  • Subgap states in transparent amorphous oxide semiconductor, In–Ga–Zn–O, observed by bulk sensitive x-ray photoelectron spectroscopy

    Kenji Nomura;Toshio Kamiya;Hiroshi Yanagi;Eiji Ikenaga

  • Defect passivation and homogenization of amorphous oxide thin-film transistor by wet O2 annealing

    Kenji Nomura;Toshio Kamiya;Hiromichi Ohta;Masahiro Hirano

  • Highly electrically conductive indium–tin–oxide thin films epitaxially grown on yttria-stabilized zirconia (100) by pulsed-laser deposition

    Hiromichi Ohta;Masahiro Orita;Masahiro Hirano;Hiroaki Tanji

  • Nickel-based oxyphosphide superconductor with a layered crystal structure, LaNiOP.

    Takumi Watanabe;Hiroshi Yanagi;Toshio Kamiya;Yoichi Kamihara

  • Superconductivity at 43 K in an Iron‐Based Layered Compound LaO1‐xFxFeAs.

    Hiroki Takahashi;Kazumi Igawa;Kazunobu Arii;Yoichi Kamihara

Frequent Co-Authors

Hideo Hosono
Hideo Hosono Tokyo Institute of Technology
Toshio Kamiya
Toshio Kamiya Tokyo Institute of Technology
Hiromichi Ohta
Hiromichi Ohta Hokkaido University
Hidenori Hiramatsu
Hidenori Hiramatsu Tokyo Institute of Technology
Hiroshi Yanagi
Hiroshi Yanagi University of Yamanashi
Katsuro Hayashi
Katsuro Hayashi Kyushu University
Kenji Nomura
Kenji Nomura University of California, San Diego
Kazushige Ueda
Kazushige Ueda Kyushu Institute of Technology
Satoru Matsuishi
Satoru Matsuishi National Institute for Materials Science
Alexander L. Shluger
Alexander L. Shluger University College London

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