Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751180 | Disk player | Takashi Yamanaka, Toshio Yoshimura, Shigeru Akatani, Takashi Kouso | 2004-06-15 |
| 6711114 | Disc transfer apparatus with toggle mechanism | Takashi Yamanaka | 2004-03-23 |