Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42343 | Optical storage medium | Mikio Okumura | 2011-05-10 |
| 7050387 | Optical storage medium | Mikio Okumura | 2006-05-23 |
| 6355311 | Method for making an optical recording medium and an optical recording medium obtained by the method | Ichiro Ueno, Norio Tanaka | 2002-03-12 |