YI

Yukihiro Ishihara

Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
FL Fujitsu Microelectronics Limited: 1 patents #212 of 624Top 35%
📍 Kaizuka, JP: #3 of 48 inventorsTop 7%
Overall (All Time): #469,085 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
7592655 MOS image sensor Narumi Ohkawa, Shigetoshi Takeda, Kazuki Hayashi, Nobuhisa Naori, Masahiro Chijiiwa 2009-09-22
6388212 Push and rotary operating type electronic component Masaki Sawada, Tamotsu Yamamoto, Hiroto Inoue 2002-05-14
6340801 Rotary encoder and multi-operational electronic component using the same Tetsuya Fukuda, Takahiro Nishimura, Jun Sato, Koji Ono, Takumi Nishimoto +1 more 2002-01-22
6181323 Multidirectional controller and multidirectional controlling device using the same Hideki Shigemoto, Hiroshi Matsui 2001-01-30
6156646 Method of manufacturing semiconductor devices 2000-12-05
5889242 Multidirectional operating switch and multidirectional operating apparatus using the same Keiji Kaizaki, Hiroshi Matsui 1999-03-30
5760352 Push switch and a method of producing a push switch Hiroshi Matsui 1998-06-02
5595288 Thin switch including domed contact Hiroshi Matsui, Tamotsu Yamamoto 1997-01-21
5430262 Multiple switch arrangement including membrane dome contacts and multi-directional tilt actuator Hiroshi Matsui, Keiji Kaizaki 1995-07-04
5086221 Rotary encoder having stationary central support shaft Tamotsu Yamamoto, Hiroshi Matsui 1992-02-04
5070238 Rotary encoder having circular magnet Tamotsu Yamamoto, Hiroshi Matsui 1991-12-03