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Kojiro Hamabe

Kojiro Hamabe

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 32 6397 6141 277 262 138 3673

Kojiro Hamabe publications per year

The chart shows the history of publications by Kojiro Hamabe between 1992 and 2019, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kojiro Hamabe published across 28 years, from 1992 to 2019, averaging 6.5 papers a year. Output peaked at 19 publications in 2008. 3 of the 181 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1992 to 2019. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2008. 1992: 6 publications 1993: 1 publication 1994: 2 publications 1995: 1 publication 1996: 2 publications 1997: 2 publications 1998: 2 publications 1999: 17 publications 2000: 3 publications 2001: 5 publications 2002: 16 publications 2003: 12 publications 2004: 16 publications 2005: 7 publications 2006: 2 publications 2007: 15 publications 2008: 19 publications 2009: 15 publications 2010: 4 publications 2011: 8 publications 2012: 13 publications 2013: 5 publications 2014: 0 publications 2015: 2 publications 2016: 2 publications 2017: 1 publication 2018: 1 publication 2019: 2 publications
1992 2019

181 publications in total across all disciplines

View publications per year as a table
Kojiro Hamabe: publications per year, 1992 to 2019
Year Publications
1992 6
1993 1
1994 2
1995 1
1996 2
1997 2
1998 2
1999 17
2000 3
2001 5
2002 16
2003 12
2004 16
2005 7
2006 2
2007 15
2008 19
2009 15
2010 4
2011 8
2012 13
2013 5
2014 0
2015 2
2016 2
2017 1
2018 1
2019 2
Total 181
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Kojiro Hamabe 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 Kojiro Hamabe 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: 138 publications — 11th percentile

11% 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
134–153 355 138
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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Kojiro Hamabe 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 Kojiro Hamabe 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, 32 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: 32 D-Index — 10th percentile

10% 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 32
33 262
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

Kojiro Hamabe is affiliated with NEC (Japan) in Japan. Their professional profile primarily reflects an academic and research career connected to this institution.

Although detailed records of recent publications, co-authors, and frequent publication venues are not available, Kojiro Hamabe's contribution can be recognized through their ongoing association with NEC, a major player in technology and innovation in Japan.

No specific book publications or awards have been documented for Kojiro Hamabe, indicating either a focus on other forms of scholarly communication or a limited public record of such achievements.

The main fields, subfields, and topics of study associated with Kojiro Hamabe have not been provided. This absence of detailed thematic data suggests that publicly accessible information about their research specialization is limited or not catalogued in the source data.

Despite the sparse data, Kojiro Hamabe's involvement with NEC situates them within an environment dedicated to technological research and development, which often encompasses interdisciplinary areas ranging from computer science and engineering to applied research in electronics and information technologies.

Best Publications

  • Radio communication system and method

    Kojiro Hamabe;Jinsock Lee

  • Mobile communication system, communication control method, and base station and mobile station to be employed in the same

    Akihisa Ushirokawa;Kojiro Hamabe

  • Method of preventing interference of adjacent frequencies in a cellular system by selection between adjacent carrier frequency and non-adjacent carrier frequency

    Kojiro Hamabe

  • Best-cell amendment method for amending hysteresis margin according to the degree of congestion

    Takahiro Nobukiyo;Kojiro Hamabe

  • Method of controlling transmission power in a cellular type mobile communication system

    Kojiro Hamabe;Shousei Yoshida

  • Mobile communication control method, cellular system, mobile station, base station, and base station control apparatus

    Nahoko Takano;Kojiro Hamabe

  • Wireless communication system and method

    Kojiro Hamabe;Jinsock Lee

  • Mobile communication system, communication control method, base station and mobile station used in the same

    Kojiro Hamabe;Naoto Ishii;Genya Iwasaki;Takashi Mochizuki

  • Radio communication system, method and program

    Kojiro Hamabe;Jinsock Lee

  • Cellular system, base station, mobile station, and communication control method

    Nahoko Takano;Kojiro Hamabe

  • Transmission power control technique and wireless communications system using the same

    Nahoko Kuroda;Kojiro Hamabe

  • Selection of modulation and coding in mobile communications

    Kojiro Hamabe;Nahoko Takano

  • Mobility management of mobile station in a mobile communications system

    Jinsock Lee;Kojiro Hamabe

  • Mobile communication system, mobile station, base station, and packet communication method used therefor

    Nahoko Takano;Kojiro Hamabe;Soichi Tsumura;Mariko Matsumoto

  • Adaptive Power Level Setting of Femtocell Base Stations for Mitigating Interference with Macrocells

    Motoki Morita;Yasuhiko Matsunaga;Kojiro Hamabe

  • Mobile radio communication system having radio zones of sector configurations and antenna selecting method employed therein.

    Kojiro Hamabe

  • Zelluläres System, Basistation, Mobilstation und Kommunikationssteuerungsverfahren dafür

    Kojiro Hamabe

  • Channel allocation system for communication systems and an apparatus thereof

    Kojiro C O Nec Corporat Hamabe

  • Mobile radio communication system, base station and mobile radio communication method

    Mariko Matsumoto;Soichi Tsumura;Kojiro Hamabe

  • Adaptive modulation switching level control in high speed downlink packet access transmission

    Jinsock Lee;Rob Arnott;Kojiro Hamabe;Nahoko Takano

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