World's Best Scientists 2026 revealed!
Koji Hashimoto

Koji Hashimoto

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 71 4270 4134 194 190 480 16897

Koji Hashimoto publications per year

The chart shows the history of publications by Koji Hashimoto between 1962 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Koji Hashimoto published across 64 years, from 1962 to 2025, averaging 8 papers a year. Output peaked at 31 publications in 1997. 4 of the 513 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1962 to 2025. Vertical axis: number of publications, 0 to 31. Peak 31 publications in 1997. 1962: 2 publications 1963: 1 publication 1964: 3 publications 1965: 3 publications 1966: 1 publication 1967: 6 publications 1968: 1 publication 1969: 0 publications 1970: 1 publication 1971: 0 publications 1972: 0 publications 1973: 3 publications 1974: 12 publications 1975: 1 publication 1976: 20 publications 1977: 6 publications 1978: 11 publications 1979: 16 publications 1980: 14 publications 1981: 3 publications 1982: 3 publications 1983: 12 publications 1984: 9 publications 1985: 10 publications 1986: 15 publications 1987: 10 publications 1988: 5 publications 1989: 8 publications 1990: 9 publications 1991: 20 publications 1992: 11 publications 1993: 23 publications 1994: 27 publications 1995: 27 publications 1996: 28 publications 1997: 31 publications 1998: 19 publications 1999: 13 publications 2000: 11 publications 2001: 16 publications 2002: 8 publications 2003: 8 publications 2004: 3 publications 2005: 4 publications 2006: 11 publications 2007: 4 publications 2008: 3 publications 2009: 8 publications 2010: 4 publications 2011: 5 publications 2012: 2 publications 2013: 4 publications 2014: 4 publications 2015: 2 publications 2016: 4 publications 2017: 1 publication 2018: 3 publications 2019: 13 publications 2020: 0 publications 2021: 0 publications 2022: 4 publications 2023: 3 publications 2024: 0 publications 2025: 4 publications
1962 2025

513 publications in total across all disciplines

View publications per year as a table
Koji Hashimoto: publications per year, 1962 to 2025
Year Publications
1962 2
1963 1
1964 3
1965 3
1966 1
1967 6
1968 1
1969 0
1970 1
1971 0
1972 0
1973 3
1974 12
1975 1
1976 20
1977 6
1978 11
1979 16
1980 14
1981 3
1982 3
1983 12
1984 9
1985 10
1986 15
1987 10
1988 5
1989 8
1990 9
1991 20
1992 11
1993 23
1994 27
1995 27
1996 28
1997 31
1998 19
1999 13
2000 11
2001 16
2002 8
2003 8
2004 3
2005 4
2006 11
2007 4
2008 3
2009 8
2010 4
2011 5
2012 2
2013 4
2014 4
2015 2
2016 4
2017 1
2018 3
2019 13
2020 0
2021 0
2022 4
2023 3
2024 0
2025 4
Total 513
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Koji Hashimoto 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 Koji Hashimoto 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, 470–489 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: 480 publications — 85th percentile

85% 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
470–489 212 480
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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Koji Hashimoto 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 Koji Hashimoto 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, 70–71 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: 71 D-Index — 68th percentile

68% 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 71
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

Koji Hashimoto is affiliated with Tohoku University in Japan, where their research spans fields including Physics and Astronomy as well as Engineering. Their work engages multiple subfields such as Nuclear and High Energy Physics, Biomedical Engineering, Astronomy and Astrophysics, Atomic and Molecular Physics, and Mechanical Engineering.

The scientist's research covers a range of topics, with notable focus areas including Black Holes and Theoretical Physics, Cosmology and Gravitation Theories, Metal Forming Simulation Techniques, Metallurgy and Material Forming, Microstructure and Mechanical Properties of Steels, Coastal and Marine Dynamics, and Earthquake and Tsunami Effects.

Koji Hashimoto has authored several papers with diverse coauthors. Frequent collaborators include Dorsey M. Bass, Kareem Abu-Elmagd, Maisam Abu-El-Haija, Douglas G. Adler, and Lindsey Albenberg.

The scientist's recent publications include:

  • "Enhancement of Accuracy of Springback Simulation Using the Material Model Considering the Strength Differential Effect," 2020, Journal of the Japan Society for Technology of Plasticity
  • "CHANNEL SEDIMENTATION CAUSING BY WIND WAVES AND LONG PERIOD WAVES AT THE FISHING PORT," 2020, Journal of Japan Society of Civil Engineers Ser B3 (Ocean Engineering)
  • "Multi-field imprint technology: enabling the productivity enhancement of nano-imprint lithography," 2021, Journal of Micro/Nanopatterning Materials and Metrology
  • "Causality bounds chaos in geodesic motions," 2022, arXiv (Cornell University)
  • "String is a double slit," 2023, Progress of Theoretical and Experimental Physics

Publication venues where Koji Hashimoto has appeared include arXiv (Cornell University), Journal of the Japan Society for Technology of Plasticity, Journal of Japan Society of Civil Engineers Ser B3 (Ocean Engineering), Journal of Micro/Nanopatterning Materials and Metrology, and Progress of Theoretical and Experimental Physics.

Best Publications

  • The mechanism of formation of iron oxide and oxyhydroxides in aqueous solutions at room temperature

    T. Misawa;K. Hashimoto;S. Shimodaira

  • The mechanism of atmospheric rusting and the protective amorphous rust on low alloy steel

    T. Misawa;K. Asami;K. Hashimoto;S. Shimodaira

  • The X-ray photo-electron spectra ofseveral oxides of iron and chromium

    K. Asami;K. Hashimoto

  • XPS determination of compositions of alloy surfaces and surface oxides on mechanically polished iron-chromium alloys

    K. Asami;K. Hashimoto;S. Shimodaira

  • An X-ray photo-electron spectroscopic study on the role of molybdenum in increasing the corrosion resistance of ferritic stainless steels in HC1

    K. Hashimoto;K. Asami;K. Teramoto

  • An XPS study of the passivity of a series of iron—chromium alloys in sulphuric acid*†

    K. Asami;K. Hashimoto;S. Shimodaira

  • Corrosion Resistivity of Amorphous Iron Alloys Containing Chromium

    Masaaki Naka;Koji Hashimoto;Tsuyoshi Masumoto

  • ESCA Study of the Passive Film on an Extremely Corrosion-Resistant Amorphous Iron Alloy

    K. Asami;K. Hashimoto;T. Masumoto;S. Shimodaira

  • An XPS study of the surfaces on Fe-Cr, Fe-Co and Fe-Ni alloys after mechanical polishing

    Katsuhiko Asami;Koji Hashimoto

  • Characteristics of passivity of extremely corrosion-resistant amorphous iron alloys

    K Hashimoto;K Osada;T Masumoto;S Shimodaira

  • Amorphous and Nanocrystalline Materials : Preparation, Properties and Applications 3 3

    Akihisa Inoue;Koji Hashimoto

  • The role of corrosion-resistant alloying elements in passivity

    K. Hashimoto;K. Asami;A. Kawashima;H. Habazaki

  • High Corrosion Resistance of Chromium-Bearing Amorphous Iron Alloys in Neutral and Acidic Solutions Containing Chloride

    Masaaki Naka;Koji Hashimoto;Tsuyoshi Masumoto

  • Effect of tetragonal ZrO2 on the catalytic activity of Ni/ZrO2 catalyst prepared from amorphous Ni–Zr alloys

    Michiaki Yamasaki;Hiroki Habazaki;Katsuhiko Asami;Kohichi Izumiya

  • Co-methanation of carbon monoxide and carbon dioxide on supported nickel and cobalt catalysts prepared from amorphous alloys

    Hiroki Habazaki;Michiaki Yamasaki;Bo Ping Zhang;Asahi Kawashima

  • Hydrogen Electrode Reaction and Hydrogen Embrittlement of Mild Steel in Hydrogen Sulfide Solutions

    Asahi Kawashima;Koji Hashimoto;Saburo Shimodaira

  • An X-ray photo-electron spectroscopic study of surface treatments of stainless steels

    K. Asami;K. Hashimoto

  • Highly active Ni/Y-doped ZrO2 catalysts for CO2 methanation

    H. Takano;H. Takano;Y. Kirihata;K. Izumiya;N. Kumagai

  • Effect of metalloidal elements on corrosion resistance of amorphous iron-chromium alloys

    M. Naka;K. Hashimoto;T. Masumoto

  • Oxygen evolution anodes composed of anodically deposited Mn–Mo–Fe oxides for seawater electrolysis

    N.A Abdel Ghany;N Kumagai;S Meguro;K Asami

Frequent Co-Authors

Katsuhiko Asami
Katsuhiko Asami Tohoku University
Hiroki Habazaki
Hiroki Habazaki Hokkaido University
Asahi Kawashima
Asahi Kawashima Tohoku University
Eiji Akiyama
Eiji Akiyama Tohoku University
Tsuyoshi Masumoto
Tsuyoshi Masumoto Tohoku University
Michiaki Yamasaki
Michiaki Yamasaki Kumamoto University
Akihisa Inoue
Akihisa Inoue Josai International University
Hisamichi Kimura
Hisamichi Kimura Tohoku University
Tsunenobu Kimoto
Tsunenobu Kimoto Kyoto University
Kenji Hiraga
Kenji Hiraga Tohoku University

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