YI

Yukio Itoh

NE Nec: 4 patents #3,388 of 14,502Top 25%
CC Clarion Co.: 3 patents #176 of 721Top 25%
TC Toshiba Ceramics Co.: 3 patents #54 of 458Top 15%
DC Daiwa Seiko Co.: 2 patents #88 of 217Top 45%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
Overall (All Time): #389,538 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6452222 MIS type semiconductor device and method for manufacturing the same 2002-09-17
6373110 Semiconductor device having high breakdown voltage Takao Arai 2002-04-16
6181186 Power transistor with over-current protection controller Takao Arai 2001-01-30
D401665 Fishing reel body Takashi Kondoh, Shigeo Mimura 1998-11-24
D394299 Fishing reel spool Takeo Miyazaki 1998-05-12
5703390 Semiconductor device having four power MOSFETs constituting H bridge circuit 1997-12-30
5696518 Antenna device integrally fixed to portable electronic appliance Tadashi Yasuoka, Ryoji Amemiya 1997-12-09
5449545 Ceramic device Eiichi Toya, Takashi Tanaka, Yasumi Sasaki 1995-09-12
5178727 Ceramic membrane device and a method of producing the same Eiichi Toya, Tadashi Ohashi, Masayuki Sumiya 1993-01-12
5074017 Susceptor Eiichi Toya, Tadashi Ohashi, Masayuki Sumiya, Yasumi Sasaki 1991-12-24
4581666 Mechanism for fast-forwarding/rewinding operation in a tape player 1986-04-08
4519269 Transmission system in a cam mechanism Kazuki Takai, Satoshi Takagi 1985-05-28
4475020 Slide switch operating device Kazuki Takai, Yasuo Yamada, Satoshi Takagi 1984-10-02