Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6134377 | Disk regenerative apparatus | Masaki Ohki, Yasuhiro Yakushiji, Kouji Kamogawa | 2000-10-17 |
| 5754731 | Disk regenerative apparatus | Masaki Ohki, Yasuhiro Yakushiji, Kouji Kamogawa | 1998-05-19 |
| 5631710 | Television system containing a video compact disk reproducer | Kouji Kamogawa, Yasuhiro Yakushiji | 1997-05-20 |