Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6252252 | Optical semiconductor device and optical semiconductor module equipped with the same | Toshiyuki Take, Hiroshi Inoguchi, Tsutomu Ishikawa, Masashi Arai, Hiroshi Kobori +3 more | 2001-06-26 |
| 5343450 | Timer operation management apparatus | Keiji Hamoda, Jun Yoshikawa, Takeo Yamada, Isamu Odane, Masahiro Ito +3 more | 1994-08-30 |
| 4847696 | System with a timer screen, for reserving the recording of TV programs | Katsumi Matsumoto, Hideki Yamamoto, Toshiyasu Mori | 1989-07-11 |
| 4649442 | Automatic program selector of a video tape recorder | Katsumi Matsumoto | 1987-03-10 |