World's Best Scientists 2026 revealed!
Junji Koga

Junji Koga

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Electronics and Electrical Engineering 33 6028 260 141 4946

Junji Koga publications per year

The chart shows the history of publications by Junji Koga between 1990 and 2012, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Junji Koga published across 23 years, from 1990 to 2012, averaging 6.2 papers a year. Output peaked at 17 publications in 2006. 2 of the 142 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1990 to 2012. Vertical axis: number of publications, 0 to 17. Peak 17 publications in 2006. 1990: 1 publication 1991: 1 publication 1992: 1 publication 1993: 0 publications 1994: 5 publications 1995: 1 publication 1996: 5 publications 1997: 5 publications 1998: 1 publication 1999: 7 publications 2000: 9 publications 2001: 8 publications 2002: 6 publications 2003: 14 publications 2004: 13 publications 2005: 13 publications 2006: 17 publications 2007: 13 publications 2008: 15 publications 2009: 4 publications 2010: 1 publication 2011: 1 publication 2012: 1 publication
1990 2012

142 publications in total across all disciplines

View publications per year as a table
Junji Koga: publications per year, 1990 to 2012
Year Publications
1990 1
1991 1
1992 1
1993 0
1994 5
1995 1
1996 5
1997 5
1998 1
1999 7
2000 9
2001 8
2002 6
2003 14
2004 13
2005 13
2006 17
2007 13
2008 15
2009 4
2010 1
2011 1
2012 1
Total 142
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Junji Koga publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Junji Koga sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 134–153 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 141 publications — 12th percentile

12% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355 141
154–173 403
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Junji Koga D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Junji Koga sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 33 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 33 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262 33
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Overview

Junji Koga is affiliated with Toshiba in Japan, contributing to the company's scientific and technological research efforts within the Japanese context.

There is no detailed publicly available information on the specific research fields, subfields, or main topics that Junji Koga specializes in. Similarly, no records of published papers, frequent co-authors, common publication venues, or book publications are currently documented for this researcher.

Due to the limited dataset, no awards or recognitions are available to outline further distinctions or honors related to their professional activities.

The absence of specific data on research topics, papers, collaborative partners, and venues suggests that Junji Koga's profile is either not extensively covered in publicly accessible academic databases or is focused on internal or proprietary projects within Toshiba.

Best Publications

  • Experimental study on carrier transport mechanism in ultrathin-body SOI nand p-MOSFETs with SOI thickness less than 5 nm

    K. Uchida;H. Watanabe;A. Kinoshita;J. Koga

  • Solution for high-performance Schottky-source/drain MOSFETs: Schottky barrier height engineering with dopant segregation technique

    A. Kinoshita;Y. Tsuchiya;A. Yagishita;K. Uchida

  • Non-volatile Si quantum memory with self-aligned doubly-stacked dots

    R. Ohba;N. Sugiyama;K. Uchida;J. Koga

  • High-Performance FinFET with Dopant-Segregated Schottky Source/Drain

    A. Kaneko;A. Yagishita;K. Yahashi;T. Kubota

  • Semiconductor device including a tunnel effect element

    Junji Koga

  • Comprehensive Study on Injection Velocity Enhancement in Dopant-Segregated Schottky MOSFETs

    A. Kinoshita;T. Kinoshita;Y. Nishi;K. Uchida

  • Ultra Low Voltage Operations in Bulk CMOS Logic Circuits with Dopant Segregated Schottky Source/Drain Transistors

    T. Kinoshita;R. Hasumi;M. Hamaguchi;K. Miyashita

  • Programmable single-electron transistor logic for future low-power intelligent LSI: proposal and room-temperature operation

    K. Uchida;J. Koga;R. Ohba;A. Toriumi

  • Field effect transistor and manufacturing method thereof

    Atsuhiro Kinoshita;Junji Koga

  • High-performance 50-nm-gate-length Schottky-source/drain MOSFETs with dopant-segregation junctions

    A. Kinoshita;C. Tanaka;K. Uchida;J. Koga

  • Analytical Single-Electron Transistor(SET)Model for Design and Analysis of Realistic SET Circuits

    Ken Uchida;Kazuya Matsuzawa;Junji Koga;Ryuji Ohba

  • Channel structure design, fabrication and carrier transport properties of strained-Si/SiGe-on-insulator (strained-SOI) MOSFETs

    S. Takagi;T. Mizuno;T. Tezuka;N. Sugiyama

  • Experimental study on carrier transport mechanisms in double- and single-gate ultrathin-body MOSFETs - Coulomb scattering, volume inversion, and /spl delta/T/sub SOI/-induced scattering

    K. Uchida;Junji Koga;Shin-ichi Takagi

  • Experimental study on electron mobility in ultrathin-body silicon-on-insulator metal-oxide-semiconductor field-effect transistors

    Ken Uchida;Junji Koga;Shin Ichi Takagi;Shin Ichi Takagi

  • Experimental evidences of quantum-mechanical effects on low-field mobility, gate-channel capacitance, and threshold voltage of ultrathin body SOI MOSFETs

    K. Uchida;J. Koga;R. Ohba;T. Numata

  • Sub-band structure engineering for advanced CMOS channels

    Shin Ichi Takagi;T. Mizuno;T. Tezuka;N. Sugiyama

  • Mobility Enhancement of SOI MOSFETs due to Subband Modulation in Ultrathin SOI Films

    Shin–ichi Takagi;Junji Koga;Akira Toriumi

  • Subband structure engineering for performance enhancement of Si MOSFETs

    S. Takagi;J. Koga;A. Toriumi

  • Influences of buried-oxide interface on inversion-layer mobility in ultra-thin SOI MOSFETs

    J. Koga;S. Takagi;A. Toriumi

  • Device design for subthreshold slope and threshold voltage control in sub-100-nm fully depleted SOI MOSFETs

    T. Numata;S. Takagi

Frequent Co-Authors

Shinichi Takagi
Shinichi Takagi University of Tokyo
Akira Toriumi
Akira Toriumi University of Tokyo
Akira Toriumi
Akira Toriumi University of Tokyo
Naoharu Sugiyama
Naoharu Sugiyama Nagoya University
Tsutomu Tezuka
Tsutomu Tezuka Toshiba (Japan)
Akira Nishiyama
Akira Nishiyama Kagawa University
Yoshio Nishi
Yoshio Nishi Stanford University

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