Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6349086 | Optical disc and method for manufacturing same | Masato Nishida, Toshiyuki Kashiwagi, Motohiro Furuki | 2002-02-19 |
| 6309726 | Optical recording medium | Toshitsugu Ono, Hirofumi Kondo | 2001-10-30 |
| 5726970 | Multi-layer optical recording medium | Masahiko Kaneko, Ariyoshi Nakaoki | 1998-03-10 |
| 5448538 | Electromagnet coils having a different inductance during magneto-optical recording and reproducing | Katsuhisa Aratani | 1995-09-05 |