Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6014364 | Optical information recording medium and method of manufacturing | Akihiko Takasu | 2000-01-11 |
| 5966367 | Optical information recording medium | Akihiko Takasu | 1999-10-12 |
| 5828648 | Optical information recording medium and method of manufacturing | Akihiko Takasu | 1998-10-27 |