IA

Isao Arai

MM Mitsubishi Materials: 5 patents #205 of 1,543Top 15%
CC Citizen Holdings Co.: 3 patents #70 of 431Top 20%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
FC Fuji Electric Co.: 2 patents #952 of 2,643Top 40%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
NA Nachi-Fujikoshi: 2 patents #7 of 136Top 6%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
TT The University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
HC Hitachi Car Engineering Co.: 1 patents #275 of 465Top 60%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #205,962 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11753733 Method for producing high-purity electrolytic copper Yoshie Tarutani, Kenji Kubota, Kiyotaka Nakaya 2023-09-12
11453953 High-purity electrolytic copper Yoshie Tarutani, Kenji Kubota, Kiyotaka Nakaya 2022-09-27
10889889 High purity copper sputtering target material Satoru Mori, U Tani, Yuuji Sato, Fumitake Kikuchi 2021-01-12
9938606 Hot-rolled copper plate Kazunari Maki, Hiroyuki Mori, Norihisa Iida, Takahiro Takeda, Shigeru Shimoizumi +1 more 2018-04-10
9066433 Power module substrate, power module substrate with heat sink, power module, and method of manufacturing power module substrate Yoshirou Kuromitsu, Yoshiyuki Nagatomo, Nobuyuki Terasaki, Toshio Sakamoto, Kazunari Maki +1 more 2015-06-23
8558435 Package structure of a piezoelectric device mounting and supporting a piezoelectric vibration element Kazuo Murata, Kazuhiro Toriumi, Toshiya Kubo, Takashi Maruyama, Tomoyuki Nakazawa +9 more 2013-10-15
8028579 Vibration body for angular speed sensor Yoichi Nagata 2011-10-04
7639096 Oscillator device and method for manufacturing the device Tomoo Ikeda, Hiroshi Miyauchi 2009-12-29
7098626 Power supply apparatus Kazuhiro Seo, Kimihiko Furukawa 2006-08-29
6747844 Disk drive Yoshiyuki Ohishi, Takuro Kohyama, Shigeru Obata 2004-06-08
6635815 Electronic music providing apparatus Juichi Kosakaya, Masumi Kizaki 2003-10-21
6571150 Management method of automatic vending machine and automatic vending machine Shigeru Hanagata, Yasuhiro Yamazaki 2003-05-27
6516997 User authentication system Takashi Tanazawa, Katsuyoshi Tajima, Yuuji Kobayashi 2003-02-11
6178842 Industrial robot Yuji Murata, Nobutaka Fukayama, Kiyoshi Kanitani 2001-01-30
6153828 Supporting device for wiring and piping of industrial robot Yuji Murata, Nobutake Fukayama, Kiyoshi Kanitani 2000-11-28
5677570 Semiconductor integrated circuit devices for high-speed or high frequency Hiroshi Kondoh, Eiichi Hase, Tooru Fujioka, Kazumichi Sakamoto, Tomio Yamada +1 more 1997-10-14
4807444 Air flow control device Katsuyuki Aoki, Hiroyuki Umemura, Tetsuji Okada, Kenji Matsuda, Hidenori Ishioka +3 more 1989-02-28
D290818 Controller for air conditioners Hisashi Tomozawa, Hideyuki Ikeda, Shigeru Saito 1987-07-14
4501397 Method of stabilizing flight of a flying body and flight-stabilized flying body Hirotoshi Kubota, Akira Takano, Masayoshi Matsuzaka 1985-02-26
4463490 Composite boring and honing machine and method of making the same Yoshikuni Saito, Hitoshi Hashimoto, Minoru Wada 1984-08-07
4434588 Honing head for high-speed operation Minoru Wada, Takeshi Okubo, Yoshiaki Mori 1984-03-06