Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868550 | Photoelectric touch panel | Hiroaki Sasaki, Kazuo Hasegawa | 1989-09-19 |
| 4859840 | Code reading apparatus | Kazuo Hasegawa, Hiroaki Sasaki, Koji Nakase, Makoto Sasaki | 1989-08-22 |
| 4845346 | Touch panel having parallax compensation and intermediate coordinate determination | Hiroaki Sasaki, Kazuo Hasagawa | 1989-07-04 |
| 4841141 | Optical coordinates inputting apparatus having switching means to operate y-axis light emitters when operation of the x-axis emitters outputs a coordinates signal | — | 1989-06-20 |
| 4825209 | Remote control apparatus | Hiroaki Sasaki, Kazuo Hasegawa | 1989-04-25 |