Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703864 | Pickup device for otpical disk | Takahiro Miyagi, Shigeru Takaya | 1997-12-30 |
YM
Yoshifumi Masunaga
Overall (1997): #55,840 of 185,788Top 35%
1
Patents 1997