Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |