Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325228 | Optical shutter device | Ken Matsubara, Kouichi Shingaki, Tsukasa Yagi, Itaru Saito, Kenichi Wada +1 more | 1994-06-28 |
| 5317347 | Image forming apparatus | Tomohiko Masuda, Ken Matsubara, Tsukasa Yagi, Koji Wakamiya | 1994-05-31 |