Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799324 | Disc driving apparatus | Keiichi Takagi, Toshiyuki Kaneko | 2004-09-28 |
| 6690638 | Supporting mechanism for an optical disc reproducing apparatus having a sub-frame for suppressing vibration | Keiichi Takagi, Eiji Hoshinaka, Katsumi Ishii | 2004-02-10 |