Issued Patents All Time
Showing 126–133 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D375107 | Combined video tape recorder and camera | — | 1996-10-29 |
| 5404572 | Radio communication apparatus which can be tested by radio and optical test signals | — | 1995-04-04 |
| 5309477 | Measurement of receiver sensitivity of a radio communication apparatus by radio and optical test signals | — | 1994-05-03 |
| 4644350 | Pager with automatically illuminated display | — | 1987-02-17 |
| 4639726 | Radio communication apparatus disabled on reception of a predetermined signal | Yoshio Ichikawa, Masaaki Akahori, Kazuyuki Tsunoda, Yohichiro Minami, Koichi Nagata | 1987-01-27 |
| 4491978 | Portable radio receiver with high antenna gain | Koichi Nagata | 1985-01-01 |
| 4462030 | Electronic apparatus with audible annunciator and alarm lamp | — | 1984-07-24 |
| 4408099 | Radio paging system capable of accepting message with access of paging receiver | — | 1983-10-04 |