Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8119215 | Optical recording medium and method for manufacturing the same | Takemitsu Sakai, Yuichi Sabi | 2012-02-21 |
| 8075975 | Optical recording medium and method for manufacturing the same | Takemitsu Sakai, Yuichi Sabi | 2011-12-13 |
| 7924694 | Write-once type optical recording medium and fabrication method thereof | Yuichi Sabi, Fuminori Takase | 2011-04-12 |
| 7787353 | Optical recording medium and method for manufacturing same | Toru Abiko, Nobuaki Furuichi, Fuminori Takase | 2010-08-31 |
| 7468200 | Write once optical recording medium | Yuichi Sabi, Mitsuaki Oyamada | 2008-12-23 |
| 6654337 | Magneto-optical recording medium having pit pitch greater than groove pitch | Sohmei Endoh, Manabu Satoh, Mitsuo Arima, Jun Shimizu, Hirotaka Ozawa +2 more | 2003-11-25 |
| 6319623 | Magneto-optical recording medium | Hiroshi Miura | 2001-11-20 |
| 6048597 | Optical device and manufacturing method thereof | Hiroshi Nakayama | 2000-04-11 |
| 6022462 | DC sputtering system | Itaru Suzuki, Yuji Kawana | 2000-02-08 |
| 5745443 | Magneto-optical disc having a protective film with minimal projections and method of production of same | Mikio Yoshida | 1998-04-28 |
| 5741541 | Method for producing magneto-optical recording medium | Masahiro Kikkawa, Takashi Kishi | 1998-04-21 |
| 5585197 | Magneto-optical recording medium having a rave earth-transition metal alloy layer, a rave earth layer, a rare earth oxide layer, and a SiN layer | Masahiro Kikkawa, Takashi Kishi | 1996-12-17 |