Akira Fujimaki

31 papers A 1C 1Journal 26Unranked 3

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	Demonstration of Low-Power Shift-Register Based on Half-Flux-Quantum Logic. IEICE Trans. Electron. Masamitsu Tanaka, Toranosuke Nakayama, Shoma Tanemura, Masayuki Higashi, Feng Li, Akira Fujimaki
2025	J	`jnl`	Ferromagnetic IEICE Trans. Electron. Akira Fujimaki, Daiki Hasegawa, Yuto Takeshita, Feng Li, Taro Yamashita, Masamitsu Tanaka
2022	C	`conf`	Design of Variable Bit-Width Arithmetic Unit Using Single Flux Quantum Device. ISCAS Iori Ishikawa, Ikki Nagaoka, Ryota Kashima, Koki Ishida, Kosuke Fukumitsu, Keitaro Oka, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Takatsugu Ono, Akira Fujimaki, Koji Inoue
2021	J	`jnl`	Planarized Nb 4-Layer Fabrication Process for Superconducting Integrated Circuits and Its Fabricated Device Evaluation. IEICE Trans. Electron. Shuichi Nagasawa, Masamitsu Tanaka, Naoki Takeuchi, Yuki Yamanashi, Shigeyuki Miyajima, Fumihiro China, Taiki Yamae, Koki Yamazaki, Yuta Somei, Naonori Sega, Yoshinao Mizugaki, Hiroaki Myoren, Hirotaka Terai, Mutsuo Hidaka, Nobuyuki Yoshikawa, Akira Fujimaki
2020	—	`conf`	32 GHz 6.5 mW Gate-Level-Pipelined 4-Bit Processor using Superconductor Single-Flux-Quantum Logic. VLSI Circuits Koki Ishida, Masamitsu Tanaka, Ikki Nagaoka, Takatsugu Ono, Satoshi Kawakami, Teruo Tanimoto, Akira Fujimaki, Koji Inoue
2019	—	`conf`	A 48GHz 5.6mW Gate-Level-Pipelined Multiplier Using Single-Flux Quantum Logic. ISSCC Ikki Nagaoka, Masamitsu Tanaka, Koji Inoue, Akira Fujimaki
2018	J	`jnl`	Energy/Space-Efficient Rapid Single-Flux-Quantum Circuits by Using IEICE Trans. Electron. Tomohiro Kamiya, Masamitsu Tanaka, Kyosuke Sano, Akira Fujimaki
2018	J	`jnl`	Thermally Assisted Superconductor Transistors for Josephson-CMOS Hybrid Memories. IEICE Trans. Electron. Kyosuke Sano, Masato Suzuki, Kohei Maruyama, Soya Taniguchi, Masamitsu Tanaka, Akira Fujimaki, Masumi Inoue, Nobuyuki Yoshikawa
2016	J	`jnl`	Development of an Advanced Circuit Model for Superconducting Strip Line Detector Arrays. IEICE Trans. Electron. Ali Bozbey, Yuma Kita, Kyohei Kamiya, Misaki Kozaka, Masamitsu Tanaka, Takekazu Ishida, Akira Fujimaki
2016	J	`jnl`	Foreword. IEICE Trans. Electron. Akira Fujimaki
2014	J	`jnl`	A Reconfigurable Data-Path Accelerator Based on Single Flux Quantum Circuits. IEICE Trans. Electron. Hiroshi Kataoka, Hiroaki Honda, Farhad Mehdipour, Nobuyuki Yoshikawa, Akira Fujimaki, Hiroyuki Akaike, Naofumi Takagi, Kazuaki J. Murakami
2014	J	`jnl`	Design and High-Speed Demonstration of Single-Flux-Quantum Bit-Serial Floating-Point Multipliers Using a 10kA/cm IEICE Trans. Electron. Xizhu Peng, Yuki Yamanashi, Nobuyuki Yoshikawa, Akira Fujimaki, Naofumi Takagi, Kazuyoshi Takagi, Mutsuo Hidaka
2014	J	`jnl`	High-Speed Operation of 0.25-mV RSFQ Arithmetic Logic Unit Based on 10-kA/cm IEICE Trans. Electron. Masamitsu Tanaka, Atsushi Kitayama, Masakazu Okada, Tomohito Kouketsu, Takumi Takinami, Masato Ito, Akira Fujimaki
2014	J	`jnl`	Large-Scale Integrated Circuit Design Based on a Nb Nine-Layer Structure for Reconfigurable Data-Path Processors. IEICE Trans. Electron. Akira Fujimaki, Masamitsu Tanaka, Ryo Kasagi, Katsumi Takagi, Masakazu Okada, Yuhi Hayakawa, Kensuke Takata, Hiroyuki Akaike, Nobuyuki Yoshikawa, Shuichi Nagasawa, Kazuyoshi Takagi, Naofumi Takagi
2014	J	`jnl`	Nb 9-Layer Fabrication Process for Superconducting Large-Scale SFQ Circuits and Its Process Evaluation. IEICE Trans. Electron. Shuichi Nagasawa, Kenji Hinode, Tetsuro Satoh, Mutsuo Hidaka, Hiroyuki Akaike, Akira Fujimaki, Nobuyuki Yoshikawa, Kazuyoshi Takagi, Naofumi Takagi
2012	J	`jnl`	Advancement of superconductor digital electronics. IEICE Electron. Express Akira Fujimaki
2011	J	`jnl`	NbN Josephson Junctions for Single-Flux-Quantum Circuits. IEICE Trans. Electron. Hiroyuki Akaike, Naoto Naito, Yuki Nagai, Akira Fujimaki
2011	J	`jnl`	Proposal of a Compact Neutron Diffraction System with a Single-Flux-Quantum Signal Processor. IEICE Trans. Electron. Akira Fujimaki, Isao Nakanishi, Shigeyuki Miyajima, Kohei Arai, Yukio Akita, Takekazu Ishida
2010	J	`jnl`	100 GHz Demonstrations Based on the Single-Flux-Quantum Cell Library for the 10 kA/cm IEICE Trans. Electron. Yuki Yamanashi, Toshiki Kainuma, Nobuyuki Yoshikawa, Irina Kataeva, Hiroyuki Akaike, Akira Fujimaki, Masamitsu Tanaka, Naofumi Takagi, Shuichi Nagasawa, Mutsuo Hidaka
2010	J	`jnl`	All MgB IEICE Trans. Electron. Naoki Mitamura, Chikaze Maruyama, Hiroyuki Akaike, Akira Fujimaki, Rintaro Ishii, Yoshihiro Niihara, Michio Naito
2010	J	`jnl`	Automated Passive-Transmission-Line Routing Tool for Single-Flux-Quantum Circuits Based on A* Algorithm. IEICE Trans. Electron. Masamitsu Tanaka, Koji Obata, Yuki Ito, Shota Takeshima, Motoki Sato, Kazuyoshi Takagi, Naofumi Takagi, Hiroyuki Akaike, Akira Fujimaki
2010	J	`jnl`	Foreword. IEICE Trans. Electron. Akira Fujimaki
2010	A	`conf`	Mapping scientific applications on a large-scale data-path accelerator implemented by single-flux quantum (SFQ) circuits. DATE Farhad Mehdipour, Hiroaki Honda, Hiroshi Kataoka, Koji Inoue, Irina Kataeva, Kazuaki J. Murakami, Hiroyuki Akaike, Akira Fujimaki
2009	J	`jnl`	Design of fast digit-serial adders using SFQ logic circuits. IEICE Electron. Express Heejoung Park, Yuki Yamanashi, Nobuyuki Yoshikawa, Masamitsu Tanaka, Akira Fujimaki
2008	J	`jnl`	Bit-Serial Single Flux Quantum Microprocessor CORE. IEICE Trans. Electron. Akira Fujimaki, Masamitsu Tanaka, Takahiro Yamada, Yuki Yamanashi, Heejoung Park, Nobuyuki Yoshikawa
2008	J	`jnl`	Direct measurements of propagation delay of single-flux-quantum circuits by time-to-digital converters. IEICE Electron. Express Kazunori Nakamiya, Nobuyuki Yoshikawa, Akira Fujimaki, Hirotaka Terai, Yoshihito Hashimoto
2008	J	`jnl`	Proposal of a Desk-Side Supercomputer with Reconfigurable Data-Paths Using Rapid Single-Flux-Quantum Circuits. IEICE Trans. Electron. Naofumi Takagi, Kazuaki J. Murakami, Akira Fujimaki, Nobuyuki Yoshikawa, Koji Inoue, Hiroaki Honda
2008	—	`conf`	Superconductive Single-Flux-Quantum Circuit/System Technology and 40Gb/s Switch System Demonstration. ISSCC Yoshihito Hashimoto, Shuichi Nagasawa, Tetsuro Satoh, Kenji Hinode, Hideo Suzuki, Toshiyuki Miyazaki, Mutsuo Hidaka, Nobuyuki Yoshikawa, Hirotaka Terai, Akira Fujimaki
2006	J	`jnl`	High-Resolution Analog-to-Digital Converters toward Software-Defined-Radio Receivers. IEICE Trans. Electron. Akira Fujimaki, Yoshinori Nishido, Akito Sekiya
2005	J	`jnl`	Development of Passive Interconnection Technology for SFQ Circuits. IEICE Trans. Electron. Yoshihito Hashimoto, Shinichi Yorozu, Yoshio Kameda, Akira Fujimaki, Hirotaka Terai, Nobuyuki Yoshikawa
2004	J	`jnl`	Superconducting digital electronics. Proc. IEEE Hisao Hayakawa, Nobuyuki Yoshikawa, Shinichi Yorozu, Akira Fujimaki