World's Best Scientists 2026 revealed!

D-Index & Metrics

Electronics and Electrical Engineering

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

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
Shinichiro Kimura
Shinichiro Kimura Hitachi (Japan)
Takashi Gojobori
Takashi Gojobori King Abdullah University of Science and Technology
Mitsue Miyao
Mitsue Miyao Tohoku University

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