Naoko Misawa, Ryuhei Yamaguchi, Ayumu Yamada, Tao Wang, Chihiro Matsui and Ken Takeuchi, “Design methodology of compact edge vision transformer CiM considering non-volatile memory bit precision and memory error tolerance,” Japanese Journal of Applied Physics (JJAP), vol. 63, pp. 03SP05, February 8, 2024.
Naoko Misawa, Shunsuke Koshino, Ruhui Liu, Chihiro Matsui and Ken Takeuchi, “Dual integration design of approximate random weight generator and computation-in-memory for event-based neuromorphic computing,” Japanese Journal of Applied Physics (JJAP), vol. 63, pp. 03SP83, March 11, 2024.
Kenshin Yamauchi, Ayumu Yamada, Naoko Misawa, Seong-Kun Cho, Kasidit Toprasertpong , Shinichi Takagi, Chihiro Matsui and Ken Takeuchi, “Co-design of SLC/MLC FeFET-based highly error-tolerant low-power CiM and strong lottery ticket hypothesis-based algorithm,” Japanese Journal of Applied Physics (JJAP), vol. 63, pp. , 04SP06, March 20, 2024.
Adil Padiyal, Ayumu Yamada, Naoko Misawa, Chihiro Matsui and Ken Takeuchi, “Assessment of inference accuracy and memory capacity of computation-in-memory enabled neural network due to quantized weights, gradients, input and output signals, and memory non-idealities,” Japanese Journal of Applied Physics (JJAP), vol. 63, pp. 04SP15, March 21, 2024.
Akira Goda, Chihiro Matsui and Ken Takeuchi, “Stochastic Resonance Modeling of Floating Gate-based Neurons in Summing Networks for Accurate and Energy Efficient Operations,” IEEE Transactions on Electron Devices, vol. 71, no. 3, pp. 1737-1744, January 29, 2024.
Chihiro Matsui, Kasidit Toprasertpong, Shinichi Takagi and Ken Takeuchi, “FeFET Local Multiply and Global Accumulate Voltage-sensing Computation-in-Memory Circuit Design for Neuromorphic Computing,” IEEE Transactions on VLSI Systems, December 2023.
Kasidit Toprasertpong, Chihiro Matsui, Mitsuru Takenaka, Ken Takeuchi and Shinichi Takagi, “Ferroelectric source follower for voltage-sensing nonvolatile memory and computing-in-memory,” Journal of Physics D: Applied Physics, vol. 56, no. 46, August 23, 2023.
Shinsei Yoshikiyo, Naoko Misawa, Kasidit Toprasertpong, Shinichi Takagi, Chihiro Matsui and Ken Takeuchi, “Write Variation & Reliability Error Compensation by Layer-wise Tunable Retraining of Edge FeFET LM-GA CiM,” IEICE Transactions on Electronics, vol. E106-C, no. 7, pp. 352-364, July, 2023.
Chihiro Matsui, Eitaro Kobayashi, Naoko Misawa and Ken Takeuchi, “Comprehensive analysis on error-robustness of FeFET computation-in-memory for hyperdimensional computing,” Japanese Journal of Applied Physics (JJAP), vol. 62, pp. SC1053, February 6, 2023.
Kazuhide Higuchi, Tomoki Kobayashi, Naoko Misawa, Chihiro Matsui and Ken Takeuchi, “Tiny and error-tolerant ConvLSTM for event-based vision sensor with optimized event representation and ReRAM computation-in-memory,” Japanese Journal of Applied Physics (JJAP), vol. 62, pp. SC1068, February 14, 2023.
Akira Goda, Chihiro Matsui and Ken Takeuchi, “A Stochastic Leaky-Integrate-and-Fire Neuron Model With Floating Gate-Based Technology for Fast and Accurate Population Coding,” IEEE Journal of the Electron Devices Society, vol. 10, pp.861-869, September 13, 2022.
Chihiro Matsui and Ken Takeuchi, “Heterogeneous Integration of Precise and Approximate Storage for Error-tolerant Workloads,” IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, September 5, 2022.
Chihiro Matsui, Kazuhide Higuchi, Shunsuke Koshino and Ken Takeuchi, “Event Data-based Computation-in-Memory (CiM) Configuration by Co-designing Integrated In-Sensor & CiM Computing for Extremely Energy Efficient Edge Computing,” Japanese Journal of Applied Physics (JJAP), vol. 61, pp. SC1085, April 7, 2022.
Kazuhide Higuchi, Chihiro Matsui, Naoko Misawa and Ken Takeuchi, “Computation-in-memory simulation platform to investigate inference accuracy degradation by device non-ideality interactions in deep neural network applications,” Japanese Journal of Applied Physics (JJAP), vol. 61, pp. SC1054, February 21, 2022.
Naoko Misawa, Kenta Taoka, Chihiro Matsui and Ken Takeuchi, “97.6% array area reduction, ReRAM computation-in-memory with hyperparameter optimization based on memory bit-error rate and bit precision of log-encoding simulated annealing,” Japanese Journal of Applied Physics (JJAP), vol. 61, pp. SC1001, February 8, 2022.
Chihiro Matsui and Ken Takeuchi, “Non-volatile memory system design of edge server and cloud centralized server for multiple-tier 5G network,” Japanese Journal of Applied Physics (JJAP), vol. 60, pp. SBBB05, March 16, 2021.
Shun Suzuki, Hiroki Aihara and Ken Takeuchi, “Privacy Protection NAND Flash System with Flexible Data-Lifetime Control by In-3D Vertical Cell Processing,” IEEE J. of Solid-State Circuits, June 2020.
Hiroshi Kinoshita, Tsubasa Yonai and Ken Takeuchi, “85% Endurance Error Reduction and Data-retention Lifetime Enhancement by Changing Reset Voltage in 40nm TaOx-based ReRAM,” Japanese Journal of Applied Physics (JJAP), vol. 59, SGGB14, April 2020.
Yoshiki Takai, Mamoru Fukuchi, Chihiro Matsui, Reika Kinoshita and Ken Takeuchi, “nalysis on Hybrid SSD Configuration with Emerging Non-volatile Memories Including Quadruple-Level Cell (QLC) NAND Flash Memory and Various Types of Storage Class Memories (SCMs),” IEICE Transactions on Electronics, E103-C, No.4, April 2020.
Mamoru Fukuchi, Chihiro Matsui and Ken Takeuchi, “System Performance Comparison of 3D Charge-trap TLC NAND Flash and 2D Floating-gate MLC NAND Flash based SSDs,” IEICE Transactions on Electronics, E103-C, No.4, April 2020.