Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537423 | Optical disk production device | Kiyoshi Oshima, Norio Tsunematsu, Daisuke Ito | 2003-03-25 |
| 6406770 | Optical disk and method of manufacturing optical disk | Daisuke Ito, Kiyoshi Oshima, Norio Tsunematsu, Keiichi Hashimoto | 2002-06-18 |
| 6334925 | Disc bonding method | Kazuo Murakami, Hiroshi Fukutomi | 2002-01-01 |
| 5983167 | Disc dishing measurement method and apparatus | — | 1999-11-09 |
| 5904795 | Disc bonding method and device therefor | Kazuo Murakami, Hiroshi Fukutomi | 1999-05-18 |