Issued Patents 1989
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870367 | Signal amplifier circuit | Kouji Nakase | 1989-09-26 |
| 4870262 | Signal processing apparatus and binary encoder circuit for the same | — | 1989-09-26 |
| 4868550 | Photoelectric touch panel | Hiroaki Sasaki, Junichi Ouchi | 1989-09-19 |
| 4859840 | Code reading apparatus | Junichi Ouchi, Hiroaki Sasaki, Koji Nakase, Makoto Sasaki | 1989-08-22 |
| 4851689 | Photodetecting circuit | — | 1989-07-25 |
| 4837430 | Photoelectric touch panel having parallel light emitting and detecting arrays separated by a light shield | — | 1989-06-06 |
| 4825209 | Remote control apparatus | Hiroaki Sasaki, Junichi Ouchi | 1989-04-25 |
| 4818860 | Light collimating member for photoelectric transfer apparatus | — | 1989-04-04 |
| 4812642 | Optical coordinate system input device | Junichi Ohuchi, Hiroaki Sasaki | 1989-03-14 |
| 4806749 | Optical coordinate system input device | Junichi Ohuchi, Hiroaki Sasaki | 1989-02-21 |
| 4804244 | Connector for optical fiber | Yoshinori Miyahara | 1989-02-14 |
| 4804242 | Connector for optical fiber | Yoshinori Miyahara | 1989-02-14 |
| 4801797 | Optical position input device | Junichi Ohouchi, Hiroaki Sasaki | 1989-01-31 |
| 4797769 | Disc driving device | Hiroaki Sasaki, Noboru Fukukawa, Masanori Yata | 1989-01-10 |