World's Best Scientists 2026 revealed!
Yoichi Kawakami

Yoichi Kawakami

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
49
Citations
11041
World Ranking
2908
National Ranking
101

Yoichi Kawakami 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 Yoichi Kawakami 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: 412 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

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

Yoichi Kawakami 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 Yoichi Kawakami 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: 49 D-Index — 58th percentile

58% of scientists in this discipline score the same or lower.

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

Overview

Yoichi Kawakami is affiliated with Kyoto University in Japan and has contributed extensively to research in physics, materials science, and engineering. Their scholarly output spans over 65 publications in physics and astronomy, 44 in materials science, and 31 in engineering, reflecting a multidisciplinary approach to scientific inquiry.

Kawakami's work focuses on several subfields including condensed matter physics, electronic, optical and magnetic materials, atomic and molecular physics and optics, materials chemistry, and biomedical engineering. This broad range highlights an engagement with both fundamental and applied aspects of physical sciences and materials research.

The main topics addressed in their research include:

  • GaN-based semiconductor devices and materials
  • Ga2O3 and related materials
  • Semiconductor quantum structures and devices
  • ZnO doping and properties
  • Metal and thin film mechanics
  • Semiconductor materials and devices
  • Acoustic wave resonator technologies

Frequent coauthors with whom Kawakami has published include Mitsuru Funato, Ryota Ishii, Yoshinobu Matsuda, Akira Yoshikawa, and Shuhei Ichikawa. This collaboration network reflects a sustained interaction with researchers active in related fields of semiconductor and materials physics.

Kawakami has published multiple papers in key journals, with recurring appearances in Applied Physics Letters, Japanese Journal of Applied Physics, Journal of Applied Physics, Applied Physics Express, and physica status solidi (b). The following are selected papers contributed by Kawakami:

  • "The 2020 UV emitter roadmap," 2020, Journal of Physics D Applied Physics
  • "Temperature-dependent electroluminescence study on 265-nm AlGaN-based deep-ultraviolet light-emitting diodes grown on AlN substrates," 2020, AIP Advances
  • "Metalorganic vapor phase epitaxy of GaN on 2 inch ScAlMgO 4 (0001) substrates," 2022, Japanese Journal of Applied Physics
  • "Doping and fabrication of polar-plane-free faceted InGaN LEDs with polychromatic emission properties on (1¯1¯22¯) semipolar planes," 2020, Journal of Applied Physics
  • "265 nm AlGaN-based deep-ultraviolet light-emitting diodes grown on AlN substrates studied by photoluminescence spectroscopy under ideal pulsed selective and non-selective excitation conditions," 2020, Applied Physics Express

Best Publications

  • Role of self-formed InGaN quantum dots for exciton localization in the purple laser diode emitting at 420 nm

    Yukio Narukawa;Yoichi Kawakami;Mitsuru Funato;Shizuo Fujita

  • Surface plasmon enhanced spontaneous emission rate of InGaN∕GaN quantum wells probed by time-resolved photoluminescence spectroscopy

    Koichi Okamoto;Isamu Niki;Axel Scherer;Yukio Narukawa

  • The 2020 UV emitter roadmap

    Hiroshi Amano;Ramón Collazo;Carlo De Santi;Sven Einfeldt

  • Blue, Green, and Amber InGaN/GaN Light-Emitting Diodes on Semipolar {11-22} GaN Bulk Substrates

    Mitsuru Funato;Masaya Ueda;Yoichi Kawakami;Yukio Narukawa

  • Dimensionality of excitons in laser-diode structures composed of In x Ga 1-x N multiple quantum wells

    Yukio Narukawa;Yoichi Kawakami;Shigeo Fujita;Shuji Nakamura

  • Efficient radiative recombination from -oriented InxGa1-xN multiple quantum wells fabricated by the regrowth technique

    K. Nishizuka;M. Funato;Y. Kawakami;Sg. Fujita

  • 100 mW deep-ultraviolet emission from aluminium-nitride-based quantum wells pumped by an electron beam

    Takao Oto;Ryan G. Banal;Ken Kataoka;Mitsuru Funato

  • Monolithic Polychromatic Light-Emitting Diodes Based on InGaN Microfacet Quantum Wells toward Tailor-Made Solid-State Lighting

    Mitsuru Funato;Takeshi Kondou;Keita Hayashi;Shotaro Nishiura

  • Nanoscopic recombination processes in InGaN/GaN quantum wells emitting violet, blue, and green spectra

    A Kaneta;M Funato;Y Kawakami

  • Optical anisotropy in [0001]-oriented AlxGa1-xN/AlN quantum wells (x>0.69)

    R. G. Banal;M. Funato;Y. Kawakami

  • Epitaxial growth and optical properties of semipolar (112¯2) GaN and InGaN∕GaN quantum wells on GaN bulk substrates

    M. Ueda;K. Kojima;M. Funato;Y. Kawakami

  • Strain relaxation effect by nanotexturing InGaN/GaN multiple quantum well

    V. Ramesh;Akihiko Kikuchi;Katsumi Kishino;Mitsuru Funato

  • Origin of high oscillator strength in green-emitting InGaN∕GaN nanocolumns

    Y. Kawakami;S. Suzuki;A. Kaneta;M. Funato

  • Initial nucleation of AlN grown directly on sapphire substrates by metal-organic vapor phase epitaxy

    Ryan G. Banal;Mitsuru Funato;Yoichi Kawakami

  • Radiative and nonradiative recombination processes in ultraviolet light-emitting diode composed of an In0.02Ga0.98N active layer

    Yukio Narukawa;Shin Saijou;Yoichi Kawakami;Shigeo Fujita

  • Emission color tunable light-emitting diodes composed of InGaN multifacet quantum wells

    M. Funato;K. Hayashi;M. Ueda;Y. Kawakami

  • Photoluminescence property of InGaN single quantum well with embedded AlGaN δ layer

    Jongwoon Park;Yoichi Kawakami

  • Partially disordered photonic-crystal thin films for enhanced and robust photovoltaics

    Ardavan Oskooi;Pedro A. Favuzzi;Yoshinori Tanaka;Hiroaki Shigeta

  • Stimulated emission from optically pumped GaN quantum dots

    Satoru Tanaka;Hideki Hirayama;Yoshinobu Aoyagi;Yukio Narukawa

  • Optical properties of InGaN/GaN nanopillars fabricated by postgrowth chemically assisted ion beam etching

    Y. Kawakami;A. Kaneta;L. Su;Y. Zhu

  • Efficient rainbow color luminescence from InxGa1−xN single quantum wells fabricated on {112¯2} microfacets

    K. Nishizuka;M. Funato;Y. Kawakami;Y. Narukawa

Frequent Co-Authors

Shizuo Fujita
Shizuo Fujita Kyoto University
Yukio Narukawa
Yukio Narukawa Nichia Corporation (Japan)
Takashi Mukai
Takashi Mukai National Institute of Advanced Industrial Science and Technology
Shuji Nakamura
Shuji Nakamura University of California, Santa Barbara
Jun Suda
Jun Suda Nagoya University
Shin-ichi Nagahama
Shin-ichi Nagahama Nichia Corporation (Japan)
Katsumi Kishino
Katsumi Kishino Sophia University
Susumu Noda
Susumu Noda Kyoto University
Akihiko Kikuchi
Akihiko Kikuchi Tokyo University of Science
Yasuaki Masumoto
Yasuaki Masumoto University of Tsukuba

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

For those exploring Electronics and Electrical Engineering in the USA, flexible learning options can be a real advantage. Many students benefit from competency based degree programs, which allow learners to progress at their own pace by demonstrating mastery of key skills. This approach is ideal for working professionals or those with prior experience in the field.

Military spouses and dependents often face unique challenges finding stable, mobile-friendly education. Fortunately, several online schools for military spouses offer tailored support to help students manage their studies alongside military life.

For students eager to start quickly, online colleges starting this month provide great opportunities to begin courses without waiting for traditional semester cycles. This level of flexibility can accelerate career progression.

In addition to degrees, consider pursuing quick certifications that pay well in specialized areas like circuit design or renewable energy systems. These certificates can enhance employability and offer a fast track to in-demand roles in the engineering industry.

Best Scientists Citing Yoichi Kawakami

Trending Scientists

Recently Published Articles