Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6353592 | Optical recording medium and optical disk device | Toshiyuki Kashiwagi, Kiyoshi Ohsato | 2002-03-05 |
| 6349086 | Optical disc and method for manufacturing same | Masato Nishida, Toshiyuki Kashiwagi, Motohiro Furuki | 2002-02-19 |