Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849825 | Pick-up device for use in an optical information recording system | Yukio Kurata, Yasuo Nakata, Nobuo Ogata, Teruaki Inoue | 1989-07-18 |
HS
Hideaki Sato
Overall (1989): #104,237 of 140,708Top 75%
1
Patents 1989