Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888760 | Optical head apparatus | Shinsuke Shikama, Eiichi Toide, Mitsushige Kondou | 1989-12-19 |
| 4859847 | Photo detector adjustment device | Takeshi Matsuno | 1989-08-22 |
| 4849293 | Amorphous polyester compositions and uses thereof | Hitoshi Koga, Masushi Mishimoto, Nikio Hashimoto | 1989-07-18 |
| 4849770 | Ink for use in ink jet and ink jet printing method using the same | Shoji Koike, Yasuko Tomida | 1989-07-18 |
| 4831349 | Switching device | Hisashi Hirose, Takanori Ohta, Shigeo Hara | 1989-05-16 |