Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7401342 | Optical disk conveyance system for preventing scratching upon insertion and removal | Youhide Kido | 2008-07-15 |
| 7308692 | Feed roller, optical disk carrying unit and optical disk recording/playback device | Youhide Kido | 2007-12-11 |
| 5468181 | Coin processing apparatus | Takeshi Ishida, Kenji Koyama, Kenji Nishiumi, Kenji Nakajima | 1995-11-21 |
| 5346047 | Coin processing apparatus | Takeshi Ishida, Kenji Koyama, Kenji Nishiumi, Kenji Nakajima | 1994-09-13 |