Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850663 | Light scanning system | Yuichi Kimura | 1989-07-25 |
| 4810076 | Selective shading device and an optical device using the same | Tsugio Murao, Kenichi Ikeda, Yoshitomi Nagaoka, Yasuo Nakajima | 1989-03-07 |