Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648954 | Optical disk using land and groove tracks | — | 1997-07-15 |
IS
Isao Satoh
Overall (1997): #137,877 of 185,788Top 75%
1
Patents 1997