Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835752 | Device for driving and controlling optical head for use in optical disk system | Keiji Nakatsu, Shigeo Hayashi, Masaharu Ogawa, Osamu Itou, Isao Watanabe | 1989-05-30 |
KT
Kunimaro Tanaka
Overall (1989): #85,354 of 140,708Top 65%
1
Patents 1989