Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887104 | Electrooptical light shutter device and printer apparatus using same | Itaru Saito, Kouichi Shingaki, Ken Matsubara, Tomohiko Masuda | 1989-12-12 |
| 4854678 | Electro-optical light shutter device | Itaru Saito, Kouichi Shingaki, Ken Matsubara, Tomohiko Masuda | 1989-08-08 |
| 4804833 | Color sensing method and device therefor | Ken Matsubara, Shuji Iino | 1989-02-14 |