World's Best Scientists 2026 revealed!
Hiroyuki Ishii

Hiroyuki Ishii

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
37
Citations
6248
World Ranking
5094
National Ranking
212

Hiroyuki Ishii 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 Hiroyuki Ishii sits on this spectrum.

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 publications 1,065+

This scientist: 384 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Hiroyuki Ishii 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 Hiroyuki Ishii sits on this spectrum.

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: 37 D-Index — 27th percentile

27% of scientists in this discipline score the same or lower.

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

Best Publications

  • TeamWorkStation: towards a seamless shared workspace

    H. Ishii

  • A novel architecture for LTE-B :C-plane/U-plane split and Phantom Cell concept

    Hiroyuki Ishii;Yoshihisa Kishiyama;Hideaki Takahashi

  • Quasicontinuous wavelength tuning in super-structure-grating (SSG) DBR lasers

    H. Ishii;H. Tanobe;F. Kano;Y. Tohmori

  • Future steps of LTE-A: evolution toward integration of local area and wide area systems

    Y. Kishiyama;A. Benjebbour;T. Nakamura;H. Ishii

  • Broad-range wavelength-tunable superstructure grating (SSG) DBR lasers

    Y. Tohmori;Y. Yoshikuni;H. Ishii;F. Kano

  • 69.1-Tb/s (432 × 171-Gb/s) C- and extended L-band transmission over 240 km Using PDM-16-QAM modulation and digital coherent detection

    A. Sano;H. Masuda;T. Kobayashi;M. Fujiwara

  • Spectral Linewidth Reduction in Widely Wavelength Tunable DFB Laser Array

    Unknown

  • Multiple-phase shift super structure grating DBR lasers for broad wavelength tuning

    H. Ishii;Y. Tohmori;Y. Yoshikuni;T. Tamamura

  • Transmission of 214-Gbit/s 4-PAM signal using an ultra-broadband lumped-electrode EADFB laser module

    Shigeru Kanazawa;Hiroshi Yamazaki;Yasuhiko Nakanishi;Takeshi Fujisawa

  • Design and characterization of a 120-GHz millimeter-wave antenna for integrated photonic transmitters

    A. Hirata;H. Ishii;T. Nagatsuma

  • Ultra-High Capacity WDM Transmission Using Spectrally-Efficient PDM 16-QAM Modulation and C- and Extended L-Band Wideband Optical Amplification

    Akihide Sano;Hiroji Masuda;Takayuki Kobayashi;Masamichi Fujiwara

  • III-V-semiconductor-on-insulator n-channel metal-insulator-semiconductor field-effect transistors with buried Al2O3 layers and sulfur passivation: Reduction in carrier scattering at the bottom interface

    Masafumi Yokoyama;Tetsuji Yasuda;Hideki Takagi;Noriyuki Miyata

  • Distributions of Transmit Power and SINR in Device-to-Device Networks

    M. C. Erturk;S. Mukherjee;H. Ishii;H. Arslan

  • Widely Wavelength-Tunable DFB Laser Array Integrated With Funnel Combiner

    Unknown

  • Evolution concept and candidate technologies for future steps of LTE-A

    Yoshihisa Kishiyama;Anass Benjebbour;Hiroyuki Ishii;Takehiro Nakamura

  • Dynamic TDD Support in Macrocell-Assisted Small Cell Architecture

    Bo Yu;Liuqing Yang;Hiroyuki Ishii;Sayandev Mukherjee

  • Multiwavelength light source with precise frequency spacing using a mode-locked semiconductor laser and an arrayed waveguide grating filter

    H. Sanjoh;H. Yasaka;Y. Sakai;K. Sato

  • Dynamic TDD support in the LTE-B enhanced Local Area architecture

    Bo Yu;Sayandev Mukherjee;Hiroyuki Ishii;Liuqing Yang

  • Broad-range wavelength coverage (62.4nm) with superstructure-grating DBR laser

    H. Ishii;H. Tanobe;F. Kano;Y. Tohmori

  • 1.3- $\mu$ m 4 $\, imes\,$ 25-Gb/s Monolithically Integrated Light Source for Metro Area 100-Gb/s Ethernet

    T Fujisawa;S Kanazawa;H Ishii;N Nunoya

Frequent Co-Authors

Masataka Nakazawa
Masataka Nakazawa Tohoku University
Yuzo Yoshikuni
Yuzo Yoshikuni Kitasato University
Akihide Sano
Akihide Sano Ritsumeikan University
Toshiaki Tamamura
Toshiaki Tamamura NTT Electronics
Yutaka Miyamoto
Yutaka Miyamoto Harvard University
Takeshi Fujisawa
Takeshi Fujisawa Hokkaido University
Masaki Asobe
Masaki Asobe Tokai University

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Related Online Degrees & Career Pathways

For those pursuing Electronics and Electrical Engineering, exploring related online degrees can offer flexible options tailored to various needs. Many programs cater specifically to working professionals, allowing students to balance their studies with career responsibilities. These degree programs for working adults are designed to be accelerated and adaptable.

Another relevant path includes degrees focused on educational technology, such as an instructional design masters degree online, which can complement engineering expertise for those interested in training and development roles.

Competency is increasingly emphasized in the academic world. Individuals can benefit from pursuing a competency based degree, which recognizes skills and knowledge rather than traditional credit hours. This approach often accelerates degree completion and fits diverse learning styles.

Additionally, support for military families is essential. Numerous online universities for military spouses offer specialized resources and flexible scheduling to accommodate the unique challenges faced by this community.

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