Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7336585 | Information recording apparatus and method for recording information and information recording medium | Osamu Kumasaka, Masaki Kobayashi, Hiroki Kaneda, Kenji Kamimura, Kazumi Kuriyama | 2008-02-26 |
| 7203144 | Information recording apparatus and method for recording information patterns with a deflecting beam irradiated to a recording medium | Osamu Kumasaka, Masaki Kobayashi, Hiroki Kaneda, Kenji Kamimura, Kazumi Kuriyama | 2007-04-10 |
| 6686597 | Substrate rotating device, and manufacturing method and apparatus of recording medium master | Osamu Kumasaka, Kazumi Kuriyama, Hiroki Kaneda, Kenji Kamimura, Takeharu Iwata +1 more | 2004-02-03 |
| 6650611 | Master disc manufacturing apparatus | Kenji Kamimura, Kazumi Kuriyama, Osamu Kumasaka, Hiroki Kaneda, Takeharu Iwata +1 more | 2003-11-18 |