Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7679738 | Method of inspecting a body having fine-gap grooves and method of repairing the body | Shoichi Nagatoshi, Susumu Takahashi | 2010-03-16 |
| 6014364 | Optical information recording medium and method of manufacturing | Kazuho Kato | 2000-01-11 |
| 5966367 | Optical information recording medium | Kazuho Kato | 1999-10-12 |
| 5828648 | Optical information recording medium and method of manufacturing | Kazuho Kato | 1998-10-27 |