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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 45 11620 11230 2710 2516 214 10390

Hitoshi Sumiya publications per year

The chart shows the history of publications by Hitoshi Sumiya between 1983 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hitoshi Sumiya published across 43 years, from 1983 to 2025, averaging 5.7 papers a year. Output peaked at 20 publications in 2012. 5 of the 244 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1983 to 2025. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2012. 1983: 1 publication 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 1 publication 1990: 0 publications 1991: 1 publication 1992: 1 publication 1993: 3 publications 1994: 1 publication 1995: 1 publication 1996: 2 publications 1997: 8 publications 1998: 3 publications 1999: 4 publications 2000: 3 publications 2001: 3 publications 2002: 8 publications 2003: 4 publications 2004: 5 publications 2005: 4 publications 2006: 9 publications 2007: 5 publications 2008: 13 publications 2009: 6 publications 2010: 9 publications 2011: 13 publications 2012: 20 publications 2013: 6 publications 2014: 17 publications 2015: 2 publications 2016: 18 publications 2017: 19 publications 2018: 11 publications 2019: 9 publications 2020: 6 publications 2021: 11 publications 2022: 7 publications 2023: 5 publications 2024: 4 publications 2025: 1 publication
1983 2025

244 publications in total across all disciplines

View publications per year as a table
Hitoshi Sumiya: publications per year, 1983 to 2025
Year Publications
1983 1
1984 0
1985 0
1986 0
1987 0
1988 0
1989 1
1990 0
1991 1
1992 1
1993 3
1994 1
1995 1
1996 2
1997 8
1998 3
1999 4
2000 3
2001 3
2002 8
2003 4
2004 5
2005 4
2006 9
2007 5
2008 13
2009 6
2010 9
2011 13
2012 20
2013 6
2014 17
2015 2
2016 18
2017 19
2018 11
2019 9
2020 6
2021 11
2022 7
2023 5
2024 4
2025 1
Total 244
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Hitoshi Sumiya publications per year - data summary

  • Hitoshi Sumiya, a Materials Science scholar from Sumitomo Electric Industries (United States), has 244 publications recorded across 43 years, from 1983 to 2025.
  • The oldest publication on record dates to 1983 and the most recent to 2025.
  • The most productive year is 2012, with 20 publications.
  • The least productive years with any output are 1983, 1989, 1991, 1992 and others, with 1 publication each.
  • 6 of the 43 years in the span carry no publications at all (1984, 1985, 1986, 1987 and others).
  • The rate of publication averages 5.7 papers per year over the whole span, or 6.6 per year counting only the 37 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 28 publications, 11% of the career total.
  • Split into equal eras - 1983-1997: 19 publications (1.3 per year); 1998-2012: 109 publications (7.3 per year); 2013-2025: 116 publications (8.9 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Hitoshi Sumiya 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 Hitoshi Sumiya 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, 210–229 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: 214 publications — 35th percentile

35% 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
210–229 862 214
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
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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Hitoshi Sumiya publication distribution in Materials Science in 2026 - data summary

  • The chart plots the publication count of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 57 ranges running from 50–69 to 1,163+ publications.
  • Hitoshi Sumiya, a Materials Science scholar from Sumitomo Electric Industries (United States), records 214 publications - the 35th percentile of the discipline.
  • 35% of ranked Materials Science scientists score the same or lower than Hitoshi Sumiya, and about 65% score higher.
  • The median of the discipline falls in the 250–269 publications range, and Hitoshi Sumiya ranks below the median.
  • The most crowded range is 190–209 publications, holding 891 scientists (7% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 330–349 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,163 publications or more, 100 scientists in all (<1% of the field).

Hitoshi Sumiya 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 Hitoshi Sumiya 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, 44–45 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: 45 D-Index — 10th percentile

10% 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 45
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
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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Hitoshi Sumiya D-index placement in Materials Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 64 ranges running from 40–41 to 165+ D-Index.
  • Hitoshi Sumiya, a Materials Science scholar from Sumitomo Electric Industries (United States), records 45 D-Index - the 10th percentile of the discipline.
  • 10% of ranked Materials Science scientists score the same or lower than Hitoshi Sumiya, and about 90% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Hitoshi Sumiya ranks below the median.
  • The most crowded range is 52–53 D-Index, holding 667 scientists (5% of the field).
  • 68% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 165 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Hitoshi Sumiya is affiliated with Sumitomo Electric Industries (United States) and has contributed extensively to research in fields covering physics, engineering, and materials science. Their work spans 25 publications in Physics and Astronomy, 24 in Engineering, and 23 in Materials Science. This interdisciplinary focus encompasses several subfields, including Atomic and Molecular Physics and Optics, Materials Chemistry, Biomedical Engineering, Geophysics, and Mechanical Engineering.

The scientist's research topics cover a range of areas with a strong emphasis on diamond and carbon-based materials research, atomic and subatomic physics, and high-pressure geophysics and materials. Other areas include advanced surface polishing techniques, metal and thin film mechanics, force microscopy techniques, and mechanical and optical resonators.

Frequent publication venues include Transactions of the JSME (in Japanese) with four publications, Physical Review B with three, and Nature Communications with two. Other venues where Sumiya has published multiple works are Diamond and Related Materials and the Journal of The Surface Finishing Society of Japan.

Hitoshi Sumiya has collaborated primarily with the following coauthors: Junichi Isoya (14 papers), Shinobu Onoda (11 papers), Jörg Wrachtrup (11 papers), Jonas Meinel (7 papers), and Vadim Vorobyov (7 papers).

Recent papers authored by or including Sumiya cover several topics and were published between 2020 and 2022. These include:

  • Quantum Metrology with Strongly Interacting Spin Systems, 2020, OPen Access Repositorium der Universität Ulm (OPARU) (Ulm University)
  • Tracking the 3D Rotational Dynamics in Nanoscopic Biological Systems, 2020, Journal of the American Chemical Society
  • Photoluminescence at the Ground-State Level Anticrossing of the Nitrogen-Vacancy Center in Diamond: A Comprehensive Study, 2021, Physical Review B
  • Quantum Nonlinear Spectroscopy of Single Nuclear Spins, 2022, Nature Communications
  • Negatively Charged Boron Vacancy Center in Diamond, 2022, Physical Review B

Best Publications

  • Materials: Ultrahard polycrystalline diamond from graphite.

    Tetsuo Irifune;Ayako Kurio;Shizue Sakamoto;Toru Inoue

  • High precision nano scale temperature sensing using single defects in diamond

    Philipp Neumann;Ingmar Jakobi;Florian Dolde;Christian Burk

  • Subpicotesla Diamond Magnetometry

    Thomas Wolf;Philipp Neumann;Kazuo Nakamura;Hitoshi Sumiya

  • Hybrid Quantum Circuit with a Superconducting Qubit Coupled to a Spin Ensemble

    Y. Kubo;C. Grezes;A. Dewes;T. Umeda

  • Nanoscale nuclear magnetic resonance with chemical resolution

    Nabeel Aslam;Matthias Pfender;Philipp Neumann;Rolf Reuter

  • All-optical initialization, readout, and coherent preparation of single silicon-vacancy spins in diamond.

    Lachlan J. Rogers;Kay D. Jahnke;Mathias H. Metsch;Alp Sipahigil

  • High-pressure synthesis of high-purity diamond crystal

    H. Sumiya;S. Satoh

  • A subpicotesla diamond magnetometer

    Thomas Wolf;Philipp Neumann;Kazuo Nakamura;Hitoshi Sumiya

  • Electronic structure of the negatively charged silicon-vacancy center in diamond

    Lachlan J. Rogers;Kay D. Jahnke;Marcus W. Doherty;Andreas Dietrich

  • Hardness and deformation microstructures of nano-polycrystalline diamonds synthesized from various carbons under high pressure and high temperature

    H. Sumiya;T. Irifune

  • Real-Time Background-Free Selective Imaging of Fluorescent Nanodiamonds in Vivo

    Ryuji Igarashi;Yohsuke Yoshinari;Yohsuke Yoshinari;Hiroaki Yokota;Takuma Sugi;Takuma Sugi;Takuma Sugi

  • Mechanical properties of high purity polycrystalline cBN synthesized by direct conversion sintering method

    H. Sumiya;S. Uesaka;S. Satoh

  • Formation of pure polycrystalline diamond by direct conversion of graphite at high pressure and high temperature

    Tetsuo Irifune;Ayako Kurio;Shizue Sakamoto;Toru Inoue

  • Superradiant emission from colour centres in diamond

    Andreas Angerer;Kirill Streltsov;Kirill Streltsov;Thomas Astner;Stefan Putz;Stefan Putz

  • Crystalline perfection of high purity synthetic diamond crystal

    H. Sumiya;N. Toda;Y. Nishibayashi;S. Satoh

  • Indentation hardness of nano-polycrystalline diamond prepared from graphite by direct conversion

    H. Sumiya;T. Irifune

  • Microstructure features of polycrystalline diamond synthesized directly from graphite under static high pressure

    H. Sumiya;T. Irifune;A. Kurio;S. Sakamoto

  • Depolarization Dynamics in a Strongly Interacting Solid-State Spin Ensemble.

    Joonhee Choi;Soonwon Choi;Georg Kucsko;Peter C. Maurer

  • Quantum Metrology with Strongly Interacting Spin Systems

    Hengyun Zhou;Joonhee Choi;Soonwon Choi;Renate Landig

  • Growth rate of high-quality large diamond crystals

    H. Sumiya;N. Toda;S. Satoh

  • Distinctive mechanical properties of nano-polycrystalline diamond synthesized by direct conversion sintering under HPHT

    H. Sumiya;K. Harano

  • Robust and Accurate Electric Field Sensing with Solid State Spin Ensembles

    Julia Michl;Jakob Steiner;Andrej Denisenko;André Bülau

  • Mechanical properties of synthetic type IIa diamond crystal

    H. Sumiya;N. Toda;S. Satoh

Frequent Co-Authors

Tetsuo Irifune
Tetsuo Irifune Ehime University
Jörg Wrachtrup
Jörg Wrachtrup University of Stuttgart
Takeshi Ohshima
Takeshi Ohshima Japan Atomic Energy Agency
Fedor Jelezko
Fedor Jelezko University of Ulm
Mikhail D. Lukin
Mikhail D. Lukin Harvard University
Toru Inoue
Toru Inoue Hiroshima University
Vincent Jacques
Vincent Jacques University of Montpellier
Dmitry Budker
Dmitry Budker University of California, Berkeley
Makoto Kasu
Makoto Kasu Saga University
Eugene Demler
Eugene Demler Harvard University

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