Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7833378 | Method for manufacturing optical disc and optical disc | Kazunori Ishikura, Keiichi Kagawa, Izumi Igawa, Yuji SHIBUYA, Shinji Miki +1 more | 2010-11-16 |
| 7303381 | Device for manufacturing optical disc, method of manufacturing the same, and optical disc | Kazunori Ishikura, Keiichi Kagawa, Izumi Igawa, Yuji SHIBUYA, Shinji Miki +1 more | 2007-12-04 |