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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 45 1516 1403 30 28 551 8936

Kozo Fujii publications per year

The chart shows the history of publications by Kozo Fujii between 1976 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kozo Fujii published across 50 years, from 1976 to 2025, averaging 12.3 papers a year. Output peaked at 39 publications in 2013. 8 of the 613 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1976 to 2025. Vertical axis: number of publications, 0 to 39. Peak 39 publications in 2013. 1976: 1 publication 1977: 1 publication 1978: 1 publication 1979: 1 publication 1980: 0 publications 1981: 1 publication 1982: 0 publications 1983: 1 publication 1984: 1 publication 1985: 3 publications 1986: 6 publications 1987: 13 publications 1988: 7 publications 1989: 11 publications 1990: 10 publications 1991: 14 publications 1992: 6 publications 1993: 14 publications 1994: 5 publications 1995: 12 publications 1996: 11 publications 1997: 9 publications 1998: 6 publications 1999: 6 publications 2000: 4 publications 2001: 12 publications 2002: 12 publications 2003: 15 publications 2004: 15 publications 2005: 34 publications 2006: 15 publications 2007: 21 publications 2008: 21 publications 2009: 18 publications 2010: 16 publications 2011: 26 publications 2012: 21 publications 2013: 39 publications 2014: 33 publications 2015: 34 publications 2016: 28 publications 2017: 20 publications 2018: 20 publications 2019: 15 publications 2020: 16 publications 2021: 18 publications 2022: 5 publications 2023: 7 publications 2024: 6 publications 2025: 2 publications
1976 2025

613 publications in total across all disciplines

View publications per year as a table
Kozo Fujii: publications per year, 1976 to 2025
Year Publications
1976 1
1977 1
1978 1
1979 1
1980 0
1981 1
1982 0
1983 1
1984 1
1985 3
1986 6
1987 13
1988 7
1989 11
1990 10
1991 14
1992 6
1993 14
1994 5
1995 12
1996 11
1997 9
1998 6
1999 6
2000 4
2001 12
2002 12
2003 15
2004 15
2005 34
2006 15
2007 21
2008 21
2009 18
2010 16
2011 26
2012 21
2013 39
2014 33
2015 34
2016 28
2017 20
2018 20
2019 15
2020 16
2021 18
2022 5
2023 7
2024 6
2025 2
Total 613
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Kozo Fujii publications per year - data summary

  • Kozo Fujii, a Mechanical and Aerospace Engineering scholar from Tokyo University of Science, has 613 publications recorded across 50 years, from 1976 to 2025.
  • The oldest publication on record dates to 1976 and the most recent to 2025.
  • The most productive year is 2013, with 39 publications.
  • The least productive years with any output are 1976, 1977, 1978, 1979 and others, with 1 publication each.
  • 2 of the 50 years in the span carry no publications at all (1980 and 1982).
  • The rate of publication averages 12.3 papers per year over the whole span, or 12.8 per year counting only the 48 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 38 publications, 6% of the career total.
  • Split into equal eras - 1976-1992: 77 publications (4.5 per year); 1993-2009: 230 publications (13.5 per year); 2010-2025: 306 publications (19.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Kozo Fujii 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 Kozo Fujii 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, 547–556 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: 551 publications — 95th percentile

95% 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
507–516 13
517–526 21
527–536 12
537–546 8
547–556 16 551
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
Download as CSV

Kozo Fujii publication distribution in Mechanical and Aerospace Engineering in 2026 - data summary

  • The chart plots the publication count of all 3,445 Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026, grouped into 63 ranges running from 47–56 to 659+ publications.
  • Kozo Fujii, a Mechanical and Aerospace Engineering scholar from Tokyo University of Science, records 551 publications - the 95th percentile of the discipline.
  • 95% of ranked Mechanical and Aerospace Engineering scientists score the same or lower than Kozo Fujii, and about 5% score higher.
  • The median of the discipline falls in the 217–226 publications range, and Kozo Fujii ranks above the median.
  • The most crowded range is 147–156 publications, holding 155 scientists (4% of the field).
  • 46% of the field sits in the lowest quarter of the value range (up to 197–206 publications), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 659 publications or more, 100 scientists in all (3% of the field).

Kozo Fujii 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 Kozo Fujii 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, 45 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: 45 D-Index — 57th percentile

57% 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 45
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
Download as CSV

Kozo Fujii D-index placement in Mechanical and Aerospace Engineering in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,445 Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026, grouped into 64 ranges running from 30 to 93+ D-Index.
  • Kozo Fujii, a Mechanical and Aerospace Engineering scholar from Tokyo University of Science, records 45 D-Index - the 57th percentile of the discipline.
  • 57% of ranked Mechanical and Aerospace Engineering scientists score the same or lower than Kozo Fujii, and about 43% score higher.
  • The median of the discipline falls in the 43 D-Index range, and Kozo Fujii ranks above the median.
  • The most crowded range is 34 D-Index, holding 189 scientists (5% of the field).
  • 57% of the field sits in the lowest quarter of the value range (up to 45 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 93 D-Index or more, 100 scientists in all (3% of the field).

Research.com Recognitions

  • 2018 - Fellow of the American Society of Mechanical Engineers

Overview

Kozo Fujii is affiliated with Tokyo University of Science in Japan. Their research primarily falls within the field of Engineering, with significant contributions in Aerospace Engineering and Computational Mechanics. They have also worked in Electrical and Electronic Engineering, Control and Systems Engineering, and General Economics, Econometrics and Finance.

The main topics of Kozo Fujii's work include:

  • Plasma and Flow Control in Aerodynamics
  • Fluid Dynamics and Turbulent Flows
  • Aerodynamics and Fluid Dynamics Research
  • Aerodynamics and Acoustics in Jet Flows
  • Air Traffic Management and Optimization
  • Traffic control and management
  • Aerosol Filtration and Electrostatic Precipitation

Kozo Fujii has published extensively in several venues. The most frequent publication venues are:

  • The Proceedings of Mechanical Engineering Congress Japan
  • Physics of Fluids
  • AIAA Scitech 2020 Forum
  • Aerospace
  • IEEE Access

Selected recent papers by Kozo Fujii include:

  • Unified mechanisms for separation control around airfoil using plasma actuator with burst actuation over Reynolds number range of 103-106, 2020, Physics of Fluids
  • Closed-Loop Flow Separation Control Using the Deep Q Network over Airfoil, 2020, AIAA Journal
  • A high-fidelity body-force modeling approach for plasma-based flow control simulations, 2021, Physics of Fluids
  • Experimental Study on Application of Distributed Deep Reinforcement Learning to Closed-loop Flow separation Control over an Airfoil, 2020, AIAA Scitech 2020 Forum
  • Flow-control capability of electronic-substrate-sized power supply for a plasma actuator, 2020, Sensors and Actuators A Physical

Frequent co-authors collaborating with Kozo Fujii include:

  • Satoshi Sekimoto
  • Tomoaki Tatsukawa
  • Kengo Asada
  • Taku Nonomura
  • Hiroyuki Nishida

In 2018, Kozo Fujii was recognized as a Fellow of the American Society of Mechanical Engineers.

Best Publications

  • Freestream and vortex preservation properties of high-order WENO and WCNS on curvilinear grids

    Taku Nonomura;Nobuyuki Iizuka;Kozo Fujii

  • Numerical investigation of three-dimensional compressible flows induced by a train moving into a tunnel

    Takanobu Ogawa;Kozo Fujii

  • Unified zonal method based on the fortified solution algorithm

    Kozo Fujii

  • Numerical Investigation of Supersonic Flows Around a Spiked Blunt Body

    Masafumi Yamauchi;Kozo Fujii;Fumio Higashino

  • Experimental evaluation of aerodynamic damping of tall buildings

    H. Marukawa;N. Kato;K. Fujii;Y. Tamura

  • Physics and engineering design studies on the Large Helical Device

    O. Motojima;K. Akaishi;K. Fujii;S. Fujiwaka

  • Wind-induced vibration of tower and practical applications of tuned sloshing damper

    K. Fujii;Y. Tamura;T. Sato;T. Wakahara

  • Progress and future prospects of CFD in aerospace—Wind tunnel and beyond

    Kozo Fujii

  • Numerical Simulation of Vortical Flows Over a Strake-Delta Wing

    Kozo Fujii;Lewis B. Schiff

  • Computational and Experimental Analysis of a High-Performance Airfoil Under Low-Reynolds-Number Flow Condition

    Masayuki Anyoji;Taku Nonomura;Hikaru Aono;Akira Oyama

  • Robust explicit formulation of weighted compact nonlinear scheme

    Taku Nonomura;Kozo Fujii

  • Mechanisms for laminar separated-flow control using dielectric-barrier-discharge plasma actuator at low Reynolds number

    Makoto Sato;Taku Nonomura;Koichi Okada;Kengo Asada

  • Practical applications of new LU-ADI scheme for the three-dimensional Navier-Stokes computation of transonic viscous flows

    K. Fujii;S. Obayashi

  • High-resolution upwind scheme for vortical-flow simulations

    Kozo Fujii;Shigeru Obayashi

  • Suppression of wind-induced vibration of a tall building using Tuned Liquid Damper

    T. Wakahara;T. Ohyama;K. Fujii

  • Aerodynamics of high speed trains passing by each other

    Kozo Fujii;Takanobu Ogawa

  • Effects of difference scheme type in high-order weighted compact nonlinear schemes

    Taku Nonomura;Kozo Fujii

  • Large-Eddy Simulation of Low-Reynolds-Number Flow Over Thick and Thin NACA Airfoils

    Ryoji Kojima;Taku Nonomura;Akira Oyama;Kozo Fujii

  • Data mining of Pareto-optimal transonic airfoil shapes using proper orthogonal decomposition

    Akira Oyama;Taku Nonomura;Kozo Fujii

  • Airfoil Flow Experiment on the Duty Cycle of DBD Plasma Actuator

    Kengo Asada;Yoshihiko Ninomiya;Akira Oyama;Kozo Fujii

  • Improvements in Efficiency and Reliability for Navier-Stokes Computations using the LU-ADI Factorization Algorithm

    S. Obayashi;K. Kuwahara;K. Fujii;K. Matsushima

  • Flow features of shock-induced combustion around projectile traveling at hypervelocities

    Akiko Matsuo;Kozo Fujii;Toshi Fujiwara

Frequent Co-Authors

Taku Nonomura
Taku Nonomura Nagoya University
Soshi Kawai
Soshi Kawai Tohoku University
Shigeru Obayashi
Shigeru Obayashi Tohoku University
Keiko Nishikawa
Keiko Nishikawa Chiba University
Christophe Bailly
Christophe Bailly École Centrale de Lyon
Jay P. Gore
Jay P. Gore Purdue University West Lafayette
Kazuhiko Nakagawa
Kazuhiko Nakagawa Kindai University
Achille Messac
Achille Messac Howard University
Yukio Tamura
Yukio Tamura Tokyo Polytechnic University
Yoshitaka Itow
Yoshitaka Itow Nagoya University

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