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Noritsugu Umehara

Noritsugu Umehara

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 35 2672 2505 66 61 505 4685

Noritsugu Umehara publications per year

The chart shows the history of publications by Noritsugu Umehara between 1984 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Noritsugu Umehara published across 42 years, from 1984 to 2025, averaging 13.6 papers a year. Output peaked at 43 publications in 2013. 45 of the 570 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1984 to 2025. Vertical axis: number of publications, 0 to 43. Peak 43 publications in 2013. 1984: 1 publication 1985: 0 publications 1986: 0 publications 1987: 1 publication 1988: 1 publication 1989: 2 publications 1990: 1 publication 1991: 0 publications 1992: 2 publications 1993: 2 publications 1994: 5 publications 1995: 7 publications 1996: 3 publications 1997: 6 publications 1998: 10 publications 1999: 14 publications 2000: 11 publications 2001: 6 publications 2002: 7 publications 2003: 6 publications 2004: 10 publications 2005: 10 publications 2006: 18 publications 2007: 12 publications 2008: 26 publications 2009: 19 publications 2010: 36 publications 2011: 23 publications 2012: 27 publications 2013: 43 publications 2014: 23 publications 2015: 11 publications 2016: 27 publications 2017: 16 publications 2018: 17 publications 2019: 18 publications 2020: 39 publications 2021: 18 publications 2022: 25 publications 2023: 22 publications 2024: 39 publications 2025: 6 publications
1984 2025

570 publications in total across all disciplines

View publications per year as a table
Noritsugu Umehara: publications per year, 1984 to 2025
Year Publications
1984 1
1985 0
1986 0
1987 1
1988 1
1989 2
1990 1
1991 0
1992 2
1993 2
1994 5
1995 7
1996 3
1997 6
1998 10
1999 14
2000 11
2001 6
2002 7
2003 6
2004 10
2005 10
2006 18
2007 12
2008 26
2009 19
2010 36
2011 23
2012 27
2013 43
2014 23
2015 11
2016 27
2017 16
2018 17
2019 18
2020 39
2021 18
2022 25
2023 22
2024 39
2025 6
Total 570
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Noritsugu Umehara 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 Noritsugu Umehara 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, 497–506 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: 505 publications — 93rd percentile

93% 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
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 12 505
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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Noritsugu Umehara 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 Noritsugu Umehara 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, 35 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: 35 D-Index — 24th percentile

24% 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 35
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
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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Overview

Noritsugu Umehara is affiliated with Nagoya University in Japan and has a substantial body of work in engineering and materials science. Their research encompasses a wide range of topics within these fields, with a particular focus on mechanics of materials, mechanical engineering, and materials chemistry. The academic output also extends into biomedical engineering and electrical and electronic engineering as subfields.

Their scholarly contributions cover several main topics, including:

  • Diamond and Carbon-based Materials Research
  • Metal and Thin Film Mechanics
  • Lubricants and Their Additives
  • Tribology and Wear Analysis
  • Advanced Materials and Composites
  • Adhesion, Friction, and Surface Interactions
  • Tribology and Lubrication Engineering

Among the notable recent papers authored by or involving Noritsugu Umehara are:

  • Metal matrix nanocomposites in tribology: Manufacturing, performance, and mechanisms, 2022, published in Friction
  • New study on tribological performance of AA7075-TiB2 nanocomposites, 2020, published in Tribology International
  • The wear classification of MoDTC-derived particles on silicon and hydrogenated diamond-like carbon at room temperature, 2020, published in Tribology International
  • Effect of Mating Material and Graphitization on Wear of a-C:H Coating in Boundary Base Oil Lubrication, 2020, published in Tribology Letters
  • Effect of defects on wear behavior in ta-C coating prepared by filtered cathodic vacuum arc deposition, 2020, published in Diamond and Related Materials

The venues where Noritsugu Umehara frequently publishes work include:

  • The Proceedings of Mechanical Engineering Congress Japan
  • Tribology International
  • Kiso Junkatsu Sekkei Bumon Kouenkai kouen rombunshuu/Kiso Junkatsu Sekkei Bumon Koenkai koen ronbunshu
  • Tribology Letters
  • Research Square

Noritsugu Umehara collaborates often with a group of co-authors, including:

  • Takayuki Tokoroyama
  • Motoyuki Murashima
  • Woo-Young Lee
  • Ruixi Zhang
  • Naoya Hashizume

The scientist's research domain features extensive work in engineering disciplines with 263 publications and materials science with 95 publications. In subfields, the highest numbers are in mechanics of materials with 121 publications and mechanical engineering with 115 publications. Materials chemistry accounts for 83 publications.

Best Publications

  • Friction, wear and N2-lubrication of carbon nitride coatings: a review

    Koji Kato;Noritsugu Umehara;Koshi Adachi

  • Ultra-low friction of tetrahedral amorphous diamond-like carbon (ta-C DLC) under boundary lubrication in poly alpha-olefin (PAO) with additives

    H. Abdullah Tasdemir;Masaharu Wakayama;Takayuki Tokoroyama;Hiroyuki Kousaka

  • Selection and Verification of Kenaf Fibres as an Alternative Friction Material Using Weighted Decision Matrix Method

    Ashafi’e Mustafa;Mohd Fadzli Bin Abdollah;Fairuz Fazillah Shuhimi;Nurhidayah Ismail

  • The effect of surface roughness on friction of ceramics sliding in water

    Ho-Chieh Wong;Noritsugu Umehara;Koji Kato

  • Metal matrix nanocomposites in tribology: Manufacturing, performance, and mechanisms

    Unknown

  • Wear behaviour of tetrahedral amorphous diamond-like carbon (ta-C DLC) in additive containing lubricants

    H. Abdullah Tasdemir;Masaharu Wakayama;Takayuki Tokoroyama;Hiroyuki Kousaka

  • A new apparatus for finishing large size/large batch silicon nitride (Si3N4) balls for hybrid bearing applications by magnetic float polishing (MFP)

    N. Umehara;T. Kirtane;R. Gerlick;V.K. Jain

  • The effect of oil temperature and additive concentration on the wear of non-hydrogenated DLC coating

    H. Abdullah Tasdemir;Masaharu Wakayama;Takayuki Tokoroyama;Hiroyuki Kousaka

  • Nanoindentation and FEM study of the effect of internal stress on micro/nano mechanical property of thin CNx films

    Mingwu Bai;Koji Kato;Noritsugu Umehara;Yoshihiko Miyake

  • Frictional characteristics of ceramics under water‐lubricated conditions

    Ho‐Chieh Wong;Noritsugu Umehara;Koji Kato

  • Effect of nitrogen atoms desorption on the friction of the CNx coating against Si 3 N 4 ball in nitrogen gas

    T. Tokoroyama;M. Goto;N. Umehara;T. Nakamura

  • Engineering surface and development of a new DNA micro array chip

    Masahiko Yoshino;Takashi Matsumura;Noritsugu Umehara;Yoichi Akagami

  • Tribological behavior of tetrahedral amorphous carbon (ta-C) coatings at elevated temperatures

    Xingrui Deng;Hiroyuki Kousaka;Takayuki Tokoroyama;Noritsugu Umehara

  • Tribological properties of self-lubricating CMC/Al2O3 pairs at high temperature in air

    Ying Jin;Koji Kato;Noritsugu Umehara

  • New study on tribological performance of AA7075-TiB2 nanocomposites

    Shuaihang Pan;Tomohiro Saso;Tomohiro Saso;Ning Yu;Maximilian Sokoluk

  • Effect of mesh structure of tetrahedral amorphous carbon (ta-C) coating on friction and wear properties under base-oil lubrication condition

    Mohd Muhyiddin Bin Mustafa;Mohd Muhyiddin Bin Mustafa;Noritsugu Umehara;Takayuki Tokoroyama;Motoyuki Murashima

  • Deformation-wear transition map of DLC coating under cyclic impact loading

    Mohd Fadzli Bin Abdollah;Yuto Yamaguchi;Tsuyoshi Akao;Naruhiko Inayoshi

  • Effect of oil temperature and counterpart material on the wear mechanism of ta-CNx coating under base oil lubrication

    Xiaoxu Liu;Ryo Yamaguchi;Noritsugu Umehara;Motoyuki Murashima

  • The wear classification of MoDTC-derived particles on silicon and hydrogenated diamond-like carbon at room temperature

    K.A.M. Kassim;T. Tokoroyama;M. Murashima;N. Umehara

  • Effect of Mating Material and Graphitization on Wear of a-C:H Coating in Boundary Base Oil Lubrication

    Kouami Auxence Melardot Aboua;Noritsugu Umehara;Hiroyuki Kousaka;Takayuki Tokoroyama

  • Clarification of high wear resistance mechanism of ta-CNx coating under poly alpha-olefin (PAO) lubrication

    Xiaoxu Liu;Ryo Yamaguchi;Noritsugu Umehara;Xingrui Deng

  • Effect of defects on wear behavior in ta-C coating prepared by filtered cathodic vacuum arc deposition

    Woo-Young Lee;Young-Jun Jang;Takayuki Tokoroyama;Motoyuki Murashima

  • Magnetic fluid grinding of HIP-Si3N4 rollers

    N. Umehara;R. Komanduri

  • Effect of surface morphology of diamond-like carbon coating on friction, wear behavior and tribo-chemical reactions under engine-oil lubricated condition

    Kentaro Komori;Noritsugu Umehara

Frequent Co-Authors

Koji Kato
Koji Kato Nihon University
Wooyoung Lee
Wooyoung Lee Yonsei University
Richard M. Laine
Richard M. Laine University of Michigan–Ann Arbor
Toyohisa Fujita
Toyohisa Fujita Guangxi University
Huiqing Fan
Huiqing Fan Northwestern Polytechnical University
Ranga Komanduri
Ranga Komanduri Oklahoma State University
Keiji Sasaki
Keiji Sasaki Hokkaido University
Albert J. Shih
Albert J. Shih University of Michigan–Ann Arbor
Kai Sun
Kai Sun University of Tennessee at Knoxville
Xiaochun Li
Xiaochun Li University of California, Los Angeles

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