Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654953 | Optical disk and method of manufacturing the same | Katsumi Suzuki | 1997-08-05 |
| 5652037 | Information recording medium | Hideki Ohkawa, Motonari Matsubara | 1997-07-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654953 | Optical disk and method of manufacturing the same | Katsumi Suzuki | 1997-08-05 |
| 5652037 | Information recording medium | Hideki Ohkawa, Motonari Matsubara | 1997-07-29 |