TT

Tamotsu Tsukaguchi

HI Hitachi: 11 patents #3,813 of 28,497Top 15%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
Overall (All Time): #428,674 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
D394246 Computer housing Takashi Yamamoto, Toshiyuki Utsuki, Kenta Kumagai, Tohru Higashihara, Yutaka Yonezawa +3 more 1998-05-12
D389464 Computer Toshiyuki Utsuki, Takashi Yamamoto, Kenta Kumagai, Tohru Higashihara, Mitsuharu Nagai +2 more 1998-01-20
5689572 Method of actively controlling noise, and apparatus thereof Katsuo Ohki, Shinichi Shimode, Yukiji Iwase, Osamu Sekiguchi, Masanori Watanabe +2 more 1997-11-18
5592363 Electronic apparatus Takayuki Atarashi, Toshio Hatada, Takahiro Daikoku, Nobuo Kawasaki, Toshiki Iino +3 more 1997-01-07
D371347 Computer Toshiyuki Utsuki, Takashi Yamamoto, Kenta Kumagai, Yutaka Yonezawa, Tadahiro Yamaguchi +2 more 1996-07-02
5504651 Cooling apparatus for electronic equipment Takayuki Atarashi, Toshio Hatada, Tetsuya Tanaka, Toshiki Iino, Kenichi Kasai +1 more 1996-04-02
D361060 Computer Kennta Kumagaya, Yutaka Yonezawa, Jyun Furuya, Toshiyuki Utsuki, Takashi Yamamoto +3 more 1995-08-08
5267121 Ventilation guide for electronic equipment Masahiro Uchida, Fumio Kishida 1993-11-30
D313980 Central processor for an electronic computer Minoru Ikeda, Miyuki Yamaguti, Syouji Umemoto, Koushiro Adachi, Shiro Fujimori +2 more 1991-01-22
D307420 Central processor unit Koushiro Adachi, Shinji Shibuya, Mitsuo Miyamoto 1990-04-24
4731703 Power supply structure and system for mounting the same Hiroshi Kozai, Toshio Mori, Fumiyuki Kobayashi 1988-03-15
D278712 Central processor unit Koushirou Adachi, Katsuhiko Nishiwaki, Motoake Sakamoto, Mitsuo Miyamoto 1985-05-07