Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835270 | Process and apparatus of producing optical disk and process of producing substrate | Tetsuo Imada, Shigeru Namiki, Toshiyuki Fujioka, Takaaki Higashida, Mamoru Inoue | 2004-12-28 |