Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5076562 | Sheet feeder | Yoshinobu Sai, Keiichi Chiba | 1991-12-31 |
| 4919045 | Offset printer having a press drum larger than its rubber drum | Toshimitsu Okubo, Kazuyoshi Kobayashi, Kohki Ohmura, Yoshinobu Sai, Takuo Satoh +5 more | 1990-04-24 |