World's Best Scientists 2026 revealed!
Noritsugu Umehara

Noritsugu Umehara

D-Index & Metrics

Mechanical and Aerospace Engineering

D-Index
35
Citations
4685
World Ranking
2672
National Ranking
66

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.

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 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.

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.

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.

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

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring Mechanical and Aerospace Engineering opens doors to diverse fields, but expanding your knowledge through related online degrees can enhance your career prospects. Veterans interested in advancing their education might find tailored programs like speech pathology programs online for veterans that offer flexible learning options aligned with their unique experiences.

For those seeking a faster route, an accelerated SLP master's program can provide an intensive curriculum that prepares graduates for in-demand roles in healthcare and communication disorders, illustrating how engineers might pivot into interdisciplinary fields.

The skills developed in engineering, such as critical thinking and analysis, are valuable in many careers, including specialized roles like those in the FBI. Understanding pathways like the FBI behavioral analysis unit highlights how diverse academic backgrounds contribute to law enforcement and national security.

Additionally, careers in counseling and therapy often require different degrees tailored to specific approaches. Reviewing the types of therapy degrees helps clarify options for those interested in combining technical expertise with mental health support.

Best Scientists Citing Noritsugu Umehara

Trending Scientists

Recently Published Articles