Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739256 | Method of ink agitation by ink aspiration | Ichiro Murakawa | 2004-05-25 |
| 4760310 | Cathode-ray tubes and coating materials therefor | Sadao Deyama, Toshiya Yamamoto, Koichi Sakai, Shigemi Hirasawa, Yoshifumi Tomita | 1988-07-26 |