Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9537567 | Light receiving circuit and light coupling device | Shigeyuki Sakura | 2017-01-03 |
| 9379272 | Light receiving element and optically coupled insulating device | Miki Hidaka, Osamu Takata, Masahito Nishigoori, Yukiko Takiba, Hiroshi Shimomura | 2016-06-28 |
| 8150073 | Impedance converting circuit and electronic device | Kazuya Matsumoto | 2012-04-03 |
| 7787780 | Optical signal receiving circuit | — | 2010-08-31 |
| 7696467 | Semiconductor photosensor device with sensitivity region for wide dynamic range and information apparatus | Yukiko Takiba, Hideyuki Mori | 2010-04-13 |
| 7548700 | Receiving apparatus and method thereof | Miki Furuya, Yukiko Takiba | 2009-06-16 |
| 7304594 | Transmitting and receiving device and transmitting device and receiving device | Shigeyuki Sakura, Masaru Numano, Atsushi Iwata, Yoshitaka Murasaka, Toshifumi Imamura | 2007-12-04 |
| 7227118 | Light-emitting element driving circuit having a switching unit with a diode | Atsushi Namai, Hirofumi Kobayashi | 2007-06-05 |
| 7214922 | Semiconductor photosensor device and information apparatus with sensitivity region for wide dynamic range | Yukiko Takiba, Hideyuki Mori | 2007-05-08 |
| 7196311 | Semiconductor photosensor | Yukiko Takiba | 2007-03-27 |
| 7075051 | Photosensor device and portable terminal unit having semiconductor photosensor device | Yukiko Kashiura | 2006-07-11 |
| 6885249 | Optical signal receiving circuit and optical signal receiving semiconductor device | — | 2005-04-26 |
| 6737623 | Photo-detecting semiconductor device and an apparatus having such a photo-detecting semiconductor device | Shigeyuki Sakura | 2004-05-18 |
| 5600173 | Semiconductor device capable of detecting a light position | — | 1997-02-04 |