World's Best Scientists 2026 revealed!

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
43
Citations
6371
World Ranking
3962
National Ranking
153

Takayuki Kawahara 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 Takayuki Kawahara 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: 161 publications — 18th percentile

18% of scientists in this discipline score the same or lower.

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

Takayuki Kawahara 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 Takayuki Kawahara 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: 43 D-Index — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2007 - IEEE Fellow For contributions to low-voltage low-power random access memory circuits

Overview

Takayuki Kawahara is affiliated with Tokyo University of Science in Japan and specializes in the field of Computer Science, with a focus on Artificial Intelligence, Molecular Biology, Atomic and Molecular Physics, and Electrical and Electronic Engineering. Their research integrates topics such as Quantum Computing Algorithms and Architecture, Advanced Memory and Neural Computing, Parallel Computing and Optimization Techniques, as well as studies related to Plant and Fungal Species Descriptions and DNA and Biological Computing.

The scientist's recent publications include studies on annealing processing systems, magnetic properties, and phylogeography. Notable papers are:

  • Annealing Processing Architecture of 28-nm CMOS Chip for Ising Model With 512 Fully Connected Spins (2021) IEEE Transactions on Circuits and Systems I Regular Papers
  • Scalable fully coupled annealing processing system and multi-chip FPGA implementation (2022) Microprocessors and Microsystems
  • Phylogeography of the endangered orchids Cypripedium japonicum and Cypripedium formosanum in East Asia: Deep divergence at infra- and interspecific levels (2022) Taxon
  • Examination of Magnetization Switching Behavior by Bi-Directional Read of Spin-Orbit-Torque MRAM (2022) IEEE Transactions on Magnetics
  • Scalable Fully-Coupled Annealing Processing System Implementing 4096 Spins Using 22nm CMOS LSI (2024) IEEE Access

Kawahara has collaborated frequently with coauthors including Taichi Megumi, Akari Endo, Shinjiro Kitahara, Ryoma Iimura, and Satoshi Kitamura. This collaborative work often appears in venues such as:

  • IEEE Access
  • Microprocessors and Microsystems
  • IEEE Transactions on Circuits and Systems I Regular Papers
  • Taxon
  • 2022 IEEE Asian Solid-State Circuits Conference (A-SSCC)

Their research spans a variety of complex subject areas, linking computational approaches with biological and physical sciences. Main topics of work include:

  • Quantum Computing Algorithms and Architecture
  • Advanced Memory and Neural Computing
  • Parallel Computing and Optimization Techniques
  • Plant and animal studies
  • Plant and Fungal Species Descriptions
  • DNA and Biological Computing
  • Magnetic properties of thin films

Kawahara was recognized with the IEEE Fellow award in 2007 for contributions to low-voltage low-power random access memory circuits.

Best Publications

  • Spin-transfer torque RAM technology: Review and prospect

    Takayuki Kawahara;Kenchi Ito;Riichiro Takemura;Hideo Ohno

  • Semiconductor integrated circuit device having power reduction mechanism

    Masashi Horiguchi;Kunio Uchiyama;Kiyoo Itoh;Takeshi Sakata

  • 2Mb Spin-Transfer Torque RAM (SPRAM) with Bit-by-Bit Bidirectional Current Write and Parallelizing-Direction Current Read

    T. Kawahara;R. Takemura;K. Miura;J. Hayakawa

  • 2 Mb SPRAM (SPin-Transfer Torque RAM) With Bit-by-Bit Bi-Directional Current Write and Parallelizing-Direction Current Read

    T. Kawahara;R. Takemura;K. Miura;J. Hayakawa

  • Semiconductor integrated circuit and data processing system

    Takayuki Kawahara;Hiroshi Sato;Atsushi Nozoe;Keiichi Yoshida

  • Silicon on thin BOX: a new paradigm of the CMOSFET for low-power high-performance application featuring wide-range back-bias control

    R. Tsuchiya;M. Horiuchi;S. Kimura;M. Yamaoka

  • Low-power embedded SRAM modules with expanded margins for writing

    M. Yamaoka;N. Maeda;Y. Shinozaki;Y. Shimazaki

  • A 32-Mb SPRAM With 2T1R Memory Cell, Localized Bi-Directional Write Driver and '1'/'0' Dual-Array Equalized Reference Scheme

    Riichiro Takemura;Takayuki Kawahara;Katsuya Miura;Hiroyuki Yamamoto

  • Review and future prospects of low-voltage RAM circuits

    Y. Nakagome;M. Horiguchi;T. Kawahara;K. Itoh

  • Semiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions

    Takao Watanabe;Ryoichi Hori;Goro Kitsukawa;Yoshiki Kawajiri

  • Semiconductor circuit with low power consumption having emitter-coupled logic or differential amplifier

    Goro Kitsukawa;Kazumasa Yanagisawa;Takayuki Kawahara;Ryoichi Hori

  • Low power SRAM menu for SOC application using Yin-Yang-feedback memory cell technology

    M. Yamaoka;K. Osada;R. Tsuchiya;M. Horiuchi

  • Dynamic RAM and information processing system using the same

    Masayuki Nakamura;Takayuki Kawahara;Kazuhiko Kajigaya;Kazuyoshi Oshima

  • A multi-level-cell spin-transfer torque memory with series-stacked magnetotunnel junctions

    T. Ishigaki;T. Kawahara;R. Takemura;K. Ono

  • Semiconductor device and semiconductor integrated circuit using the same

    Takayuki Kawahara;Masanao Yamaoka

  • 90-nm process-variation adaptive embedded SRAM modules with power-line-floating write technique

    M. Yamaoka;N. Maeda;Y. Shinozaki;Y. Shimazaki

  • Electric-energy generation using variable-capacitive resonator for power-free LSI: efficiency analysis and fundamental experiment

    Masayuki Miyazaki;Hidetoshi Tanaka;Goichi Ono;Tomohiro Nagano

  • Scalable Spin-Transfer Torque RAM Technology for Normally-Off Computing

    Takayuki Kawahara

  • Subthreshold current reduction for decoded-driver by self-reverse biasing (DRAMs)

    T. Kawahara;M. Horiguchi;Y. Kawajiri;G. Kitsukawa

  • A 512kB Embedded Phase Change Memory with 416kB/s Write Throughput at 100μA Cell Write Current

    S. Hanzawa;N. Kitai;K. Osada;A. Kotabe

  • Phase change RAM operated with 1.5-V CMOS as low cost embedded memory

    K. Osada;T. Kawahara;R. Takemura;N. Kitai

Frequent Co-Authors

Kiyoo Itoh
Kiyoo Itoh Hitachi (Japan)
Hideo Ohno
Hideo Ohno Tohoku University
Masashi Horiguchi
Masashi Horiguchi Hitachi (Japan)
Shoji Ikeda
Shoji Ikeda Tohoku University
Fumihiro Matsukura
Fumihiro Matsukura Tohoku University
Yoshihiko Tsumura
Yoshihiko Tsumura University of Tsukuba
Tokuo Kure
Tokuo Kure Hitachi (Japan)
Shinichiro Kimura
Shinichiro Kimura Hitachi (Japan)
Yoshihisa Suyama
Yoshihisa Suyama Tohoku University
Takashi Gojobori
Takashi Gojobori King Abdullah University of Science and Technology

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