Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6083598 | Information recording medium, method for manufacturing the medium, and apparatus for manufacturing the medium | Yoshiyuki Ohkubo | 2000-07-04 |
| 5858498 | Information recording medium for manufacturing the medium, and apparatus for manufacturing the medium | Yoshiyuki Ohkubo | 1999-01-12 |