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Mechanical and Aerospace Engineering
Japan
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 55 910 832 15 13 274 10692
Materials Science 55 8593 8298 496 476 288 10909

Koji Kato publications per year

The chart shows the history of publications by Koji Kato between 1970 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Koji Kato published across 56 years, from 1970 to 2025, averaging 6.9 papers a year. Output peaked at 32 publications in 2024. 38 of the 388 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1970 to 2025. Vertical axis: number of publications, 0 to 32. Peak 32 publications in 2024. 1970: 1 publication 1971: 1 publication 1972: 2 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 2 publications 1979: 1 publication 1980: 0 publications 1981: 2 publications 1982: 1 publication 1983: 3 publications 1984: 1 publication 1985: 2 publications 1986: 8 publications 1987: 3 publications 1988: 7 publications 1989: 4 publications 1990: 7 publications 1991: 7 publications 1992: 5 publications 1993: 6 publications 1994: 9 publications 1995: 16 publications 1996: 13 publications 1997: 10 publications 1998: 12 publications 1999: 11 publications 2000: 20 publications 2001: 16 publications 2002: 14 publications 2003: 31 publications 2004: 14 publications 2005: 15 publications 2006: 18 publications 2007: 9 publications 2008: 8 publications 2009: 5 publications 2010: 3 publications 2011: 6 publications 2012: 6 publications 2013: 1 publication 2014: 1 publication 2015: 0 publications 2016: 1 publication 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 1 publication 2021: 1 publication 2022: 15 publications 2023: 31 publications 2024: 32 publications 2025: 6 publications
1970 2025

388 publications in total across all disciplines

View publications per year as a table
Koji Kato: publications per year, 1970 to 2025
Year Publications
1970 1
1971 1
1972 2
1973 0
1974 0
1975 0
1976 0
1977 0
1978 2
1979 1
1980 0
1981 2
1982 1
1983 3
1984 1
1985 2
1986 8
1987 3
1988 7
1989 4
1990 7
1991 7
1992 5
1993 6
1994 9
1995 16
1996 13
1997 10
1998 12
1999 11
2000 20
2001 16
2002 14
2003 31
2004 14
2005 15
2006 18
2007 9
2008 8
2009 5
2010 3
2011 6
2012 6
2013 1
2014 1
2015 0
2016 1
2017 0
2018 0
2019 0
2020 1
2021 1
2022 15
2023 31
2024 32
2025 6
Total 388
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Koji Kato publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Koji Kato sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 63 bars. Horizontal axis: publications, 47–56 to 659+. Vertical axis: number of scientists, 0 to 155. Most scientists, 155, have 147–156 publications. The last bar groups every scientist with 659 publications or more. The highlighted bar, 267–276 publications, is where this scientist sits. 47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47–56 publications 659+

This scientist: 274 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

View publications distribution as a table
Number of Mechanical and Aerospace Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
Publications Scientists This scientist
47–56 10
57–66 23
67–76 32
77–86 62
87–96 67
97–106 91
107–116 113
117–126 115
127–136 130
137–146 140
147–156 155
157–166 132
167–176 133
177–186 130
187–196 140
197–206 115
207–216 125
217–226 117
227–236 99
237–246 92
247–256 100
257–266 95
267–276 88 274
277–286 77
287–296 74
297–306 74
307–316 62
317–326 70
327–336 59
337–346 58
347–356 45
357–366 44
367–376 36
377–386 41
387–396 32
397–406 23
407–416 28
417–426 27
427–436 25
437–446 23
447–456 23
457–466 20
467–476 12
477–486 24
487–496 18
497–506 12
507–516 13
517–526 21
527–536 12
537–546 8
547–556 16
557–566 3
567–576 11
577–586 6
587–596 5
597–606 6
607–616 7
617–626 7
627–636 10
637–646 4
647–656 3
657–658 2
659+ 100
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Koji Kato D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Koji Kato sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 64 bars. Horizontal axis: D-Index, 30 to 93+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 34 D-Index. The last bar groups every scientist with 93 D-Index or more. The highlighted bar, 55 D-Index, is where this scientist sits. 30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 55 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

View D-Index distribution as a table
Number of Mechanical and Aerospace Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
D-Index Scientists This scientist
30 83
31 113
32 144
33 153
34 189
35 158
36 139
37 127
38 130
39 126
40 104
41 100
42 107
43 101
44 103
45 79
46 88
47 70
48 83
49 44
50 64
51 56
52 50
53 48
54 58
55 52 55
56 48
57 42
58 34
59 42
60 37
61 42
62 44
63 22
64 33
65 29
66 23
67 29
68 24
69 19
70 34
71 26
72 19
73 18
74 19
75 14
76 19
77 8
78 18
79 16
80 12
81 17
82 11
83 16
84 7
85 9
86 8
87 6
88 6
89 7
90 10
91 4
92 4
93+ 100
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Research.com Recognitions

  • 2026 - Research.com Mechanical and Aerospace Engineering in Japan Leader Award
  • 2025 - Research.com Mechanical and Aerospace Engineering in Japan Leader Award
  • 2006 - Mayo D. Hersey Award, The American Society of Mechanical Engineers

Overview

Koji Kato is a researcher affiliated with Nihon University in Japan, specializing in the fields of Energy, Materials Science, and Engineering. Their work primarily spans Renewable Energy, Sustainability and the Environment, Materials Chemistry, Electrical and Electronic Engineering, Atomic and Molecular Physics, and Organic Chemistry.

The scientific contributions of Koji Kato focus largely on advanced photocatalysis techniques, with substantial publications addressing copper-based nanomaterials, TiO2 photocatalysis and solar cells, perovskite materials, gas sensing nanomaterials and sensors, terahertz technology, and the electronic and structural properties of oxides.

Some of the recent notable publications include:

  • Atomically dispersed antimony on carbon nitride for the artificial photosynthesis of hydrogen peroxide (2021, Nature Catalysis)
  • Overall photosynthesis of H2O2 by an inorganic semiconductor (2022, Nature Communications)
  • Surface Modifications of (ZnSe)0.5(CuGa2.5Se4.25)0.5 to Promote Photocatalytic Z-Scheme Overall Water Splitting (2021, Journal of the American Chemical Society)
  • Asymmetrically coordinated cobalt single atom on carbon nitride for highly selective photocatalytic oxidation of CH4 to CH3OH (2023, Chem)
  • Atomically dispersed low-valent Au boosts photocatalytic hydroxyl radical production (2024, Nature Chemistry)

Their frequent coauthors include Akira Yamakata, Makoto Nakajima, Verdad C. Agulto, Junie Jhon M. Vequizo, and Kazuhiko Maeda, reflecting collaborative research efforts in related areas.

Koji Kato has contributed multiple publications to several specialized scientific journals and conference proceedings, including:

  • The Journal of Physical Chemistry C
  • ACS Catalysis
  • Journal of Materials Chemistry A
  • Optics Letters
  • ECS Meeting Abstracts

Among professional recognitions, Koji Kato received the Mayo D. Hersey Award from The American Society of Mechanical Engineers in 2006.

Best Publications

  • Loads carrying capacity map for the surface texture design of SiC thrust bearing sliding in water

    Xiaolei Wang;Koji Kato;Koshi Adachi;Kohj Aizawa

  • An experimental and theoretical investigation of ploughing, cutting and wedge formation during abrasive wear

    K. Hokkirigawa;K. Kato

  • Wear in relation to friction — a review

    Koji Kato

  • Formation of tribochemical layer of ceramics sliding in water and its role for low friction

    Junguo Xu;Koji Kato

  • The effect of laser texturing of SiC surface on the critical load for the transition of water lubrication mode from hydrodynamic to mixed

    Xiaolei Wang;Koji Kato;Koshi Adachi;Kohji Aizawa

  • Optimization of the surface texture for silicon carbide sliding in water

    Xiaolei Wang;Xiaolei Wang;Koshi Adachi;Katsunori Otsuka;Koji Kato

  • Wear of advanced ceramics

    Koji Kato;Koshi Adachi

  • Wear map of ceramics

    K. Adachi;K. Kato;N. Chen

  • The effect of hardness on the transition of the abrasive wear mechanism of steels

    K. Hokkirigawa;K. Kato;Z.Z. Li

  • Improving the Anti-seizure Ability of SiC Seal in Water with RIE Texturing

    Xiaolei Wang;Koji Kato

  • Tribology of ceramics

    K. Kato

  • Friction and wear of self-mated SiC and Si3N4 sliding in water

    Ming Chen;Koji Kato;Koshi Adachi

  • The Lubrication Effect of Micro-Pits on Parallel Sliding Faces of SiC in Water

    Xiaolei Wang;Koji Kato;Koshi Adachi

  • The comparisons of sliding speed and normal load effect on friction coefficients of self-mated Si3N4 and SiC under water lubrication

    Ming Chen;Koji Kato;Koshi Adachi

  • Effect of arc discharge on wear rate of Cu-impregnated carbon strip in unlubricated sliding against Cu trolley under electric current

    Shunichi Kubo;Koji Kato

  • Analysis of the abrasive wear mechanism by successive observations of wear processes in a scanning electron microscope

    T. Kayaba;Kazuo Hokkirigawa;K. Kato

  • Micro-mechanisms of wear — wear modes

    Koji Kato

  • Wear mechanism of copper alloy wire sliding against iron-base strip under electric current

    Hiroki Nagasawa;Koji Kato

  • Effect of arc discharge on the wear rate and wear mode transition of a copper-impregnated metallized carbon contact strip sliding against a copper disk

    Shunichi Kubo;Koji Kato

  • The transition of wear mode during the running-in process of silicon nitride sliding in water

    Junguo Xu;Koji Kato;Taiya Hirayama

  • History of Tribology

    Koji Kato

Frequent Co-Authors

Koshi Adachi
Koshi Adachi Tohoku University
Noritsugu Umehara
Noritsugu Umehara Nagoya University
Fei Zhou
Fei Zhou Nanjing University of Aeronautics and Astronautics
Tsuyoshi Masumoto
Tsuyoshi Masumoto Tohoku University
Sujeet K. Sinha
Sujeet K. Sinha Indian Institute of Technology Delhi
Frank E. Talke
Frank E. Talke University of California, San Diego

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