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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 47 11113 10735 689 655 141 8419

Keiichiro Oh-ishi publications per year

The chart shows the history of publications by Keiichiro Oh-ishi between 1989 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Keiichiro Oh-ishi published across 37 years, from 1989 to 2025, averaging 4.3 papers a year. Output peaked at 14 publications in 2006. 8 of the 158 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1989 to 2025. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 2006. 1989: 1 publication 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 1 publication 1994: 0 publications 1995: 0 publications 1996: 1 publication 1997: 4 publications 1998: 1 publication 1999: 2 publications 2000: 1 publication 2001: 2 publications 2002: 6 publications 2003: 4 publications 2004: 5 publications 2005: 5 publications 2006: 14 publications 2007: 6 publications 2008: 8 publications 2009: 9 publications 2010: 4 publications 2011: 14 publications 2012: 13 publications 2013: 3 publications 2014: 4 publications 2015: 9 publications 2016: 2 publications 2017: 2 publications 2018: 4 publications 2019: 4 publications 2020: 4 publications 2021: 5 publications 2022: 6 publications 2023: 6 publications 2024: 7 publications 2025: 1 publication
1989 2025

158 publications in total across all disciplines

View publications per year as a table
Keiichiro Oh-ishi: publications per year, 1989 to 2025
Year Publications
1989 1
1990 0
1991 0
1992 0
1993 1
1994 0
1995 0
1996 1
1997 4
1998 1
1999 2
2000 1
2001 2
2002 6
2003 4
2004 5
2005 5
2006 14
2007 6
2008 8
2009 9
2010 4
2011 14
2012 13
2013 3
2014 4
2015 9
2016 2
2017 2
2018 4
2019 4
2020 4
2021 5
2022 6
2023 6
2024 7
2025 1
Total 158
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Keiichiro Oh-ishi 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 Keiichiro Oh-ishi 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, 130–149 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: 141 publications — 11th percentile

11% 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
130–149 723 141
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
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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Keiichiro Oh-ishi 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 Keiichiro Oh-ishi 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, 46–47 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: 47 D-Index — 15th percentile

15% 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 47
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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Overview

Keiichiro Oh-ishi is affiliated with Nagaoka University of Technology in Japan. Their research primarily spans the fields of engineering and materials science, with a particular focus on mechanical engineering, materials chemistry, electrical and electronic engineering, renewable energy, sustainability, and automotive engineering.

Their work covers a range of specialized topics including:

  • Additive Manufacturing Materials and Processes
  • Electrocatalysts for Energy Conversion
  • Additive Manufacturing and 3D Printing Technologies
  • Aluminum Alloys Composites Properties
  • High Entropy Alloys Studies
  • Electron and X-Ray Spectroscopy Techniques
  • Aluminum Alloy Microstructure Properties

Keiichiro Oh-ishi has contributed to several important publications throughout their career. Notable recent papers include:

  • "Dynamic microstructure evolution and mechanical properties of dilute Mg-Al-Ca-Mn alloy during hot rolling" (2022) published in the Journal of Material Science and Technology
  • "Synthesis of a Mesoporous SnO2 Catalyst Support and the Effect of Its Pore Size on the Performance of Polymer Electrolyte Fuel Cells" (2024) published in ACS Applied Materials & Interfaces
  • "Dimensional changes induced by precipitation of supersaturated solid solution Si in selectively laser-melted AlSi10Mg alloy during heat treatment" (2021) published in Materials Characterization
  • "Dynamic recrystallization behavior of as-cast AZ91 magnesium alloy during hot compressive" (2022) published in the Journal of Materials Research and Technology
  • "Inelastic mean free path measurement by STEM-EELS technique using needle-shaped specimen" (2020) published in Ultramicroscopy

Their research outputs have been published extensively in venues frequently associated with Keiichiro Oh-ishi's work, including:

  • MATERIALS TRANSACTIONS
  • Journal of the Japan Institute of Metals and Materials
  • Journal of Materials Chemistry A
  • ACS Applied Materials & Interfaces
  • Journal of Material Science and Technology

Coauthor collaborations form an integral part of Keiichiro Oh-ishi's research presence. Frequent coauthors include:

  • Naoko Takahashi
  • Satoru Kosaka
  • Jun Yaokawa
  • Shuxin Dong
  • Noritake Isomura

Best Publications

  • Solute segregation and precipitation in a creep-resistant Mg–Gd–Zn alloy

    Jian Feng Nie;Jian Feng Nie;K Oh-ishi;Xiang Sam Gao;K Hono

  • Age-hardening response of Mg-0.3 at.%Ca alloys with different Zn contents

    K. Oh-ishi;R. Watanabe;C.L. Mendis;K. Hono;K. Hono

  • Towards the development of heat-treatable high-strength wrought Mg alloys

    K. Hono;C.L. Mendis;T.T. Sasaki;K. Oh-ishi

  • Enhanced age hardening response by the addition of Zn in Mg–Sn alloys

    T.T. Sasaki;K. Oh-ishi;T. Ohkubo;K. Hono;K. Hono

  • Processing of a low-carbon steel by equal-channel angular pressing

    Y Fukuda;K Oh-ishi;Z Horita;T.G Langdon

  • Precipitation-hardenable Mg-2.4Zn-0.1Ag-0.1Ca-0.16Zr (at.%) wrought magnesium alloy

    C.L. Mendis;K. Oh-ishi;Y. Kawamura;T. Honma

  • Optimizing the rotation conditions for grain refinement in equal-channel angular pressing

    Keiichiro Oh-Ishi;Zenji Horita;Minoru Nemoto;Minoru Furukawa

  • An investigation of microstructure and grain-boundary evolution during ECA pressing of pure aluminum

    S. D. Terhune;D. L. Swisher;K. Oh-Ishi;Z. Horita

  • High-strength extruded Mg–Al–Ca–Mn alloy

    S.W. Xu;K. Oh-ishi;S. Kamado;F. Uchida

  • Microstructural evolution in commercial purity aluminum during high-pressure torsion

    A.P. Zhilyaev;K. Oh-ishi;T.G. Langdon;T.R. McNelley

  • Enhanced age hardening in a Mg–2.4 at.% Zn alloy by trace additions of Ag and Ca

    C.L. Mendis;K. Oh-ishi;K. Hono

  • Bimodally grained microstructure development during hot extrusion of Mg–2.4 Zn–0.1 Ag–0.1 Ca–0.16 Zr (at.%) alloys

    K. Oh-ishi;C.L. Mendis;T. Homma;S. Kamado

  • The building block of long-period structures in Mg–RE–Zn alloys

    Yuman Zhu;Matthew Weyland;Allan James Morton;K Oh-ishi

  • High-pressure torsion for enhanced atomic diffusion and promoting solid-state reactions in the aluminum–copper system

    Keiichiro Oh-ishi;Kaveh Edalati;Kaveh Edalati;Hyoung Seop Kim;Kazuhiro Hono

  • Effect of pre-aging and Al addition on age-hardening and microstructure in Mg-6 wt% Zn alloys

    K. Oh-ishi;K. Hono;K.S. Shin

  • Bimodally grained high-strength Fe fabricated by mechanical alloying and spark plasma sintering

    B. Srinivasarao;B. Srinivasarao;K. Oh-ishi;T. Ohkubo;K. Hono

  • Enhanced precipitation hardening of Mg-Ca alloy by Al addition

    J. Jayaraj;C.L. Mendis;T. Ohkubo;K. Oh-ishi

  • Effect of double aging and microalloying on the age hardening behavior of a Mg–Sn–Zn alloy

    T.T. Sasaki;K. Oh-ishi;T. Ohkubo;K. Hono

  • Microtexture and microstructure evolution during processing of pure aluminum by repetitive ECAP

    A.P. Zhilyaev;D.L. Swisher;K. Oh-ishi;T.G. Langdon

  • The application of equal-channel angular pressing to an aluminum single crystal

    Yukihide Fukuda;Keiichiro Oh-ishi;Minoru Furukawa;Zenji Horita

  • High-speed extrusion of heat-treatable Mg–Al–Ca–Mn dilute alloy

    T. Nakata;T. Mezaki;R. Ajima;C. Xu

  • Microstructural development in equal-channel angular pressing using a 60° die

    Kazuko Furuno;Hiroki Akamatsu;Keiichiro Oh-ishi;Minoru Furukawa

Frequent Co-Authors

Kazuhiro Hono
Kazuhiro Hono National Institute for Materials Science
Tadakatsu Ohkubo
Tadakatsu Ohkubo National Institute for Materials Science
Shigeharu Kamado
Shigeharu Kamado Nagaoka University of Technology
Terry R. McNelley
Terry R. McNelley Naval Postgraduate School
Tsuyoshi Honma
Tsuyoshi Honma Nagaoka University of Technology
Takayuki Komatsu
Takayuki Komatsu Nagaoka University of Technology
Alexander P. Zhilyaev
Alexander P. Zhilyaev Russian Academy of Sciences
Takayoshi Sasaki
Takayoshi Sasaki National Institute for Materials Science
Upadrasta Ramamurty
Upadrasta Ramamurty Nanyang Technological University
Jian Feng Nie
Jian Feng Nie Monash University

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