Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421043 | Movable coordinate inputting apparatus | — | 2002-07-16 |
| 6014920 | Paper-punching device for use in a image-forming apparatus | Yasuji Yamauchi, Toshio Yamanaka, Masafumi Okumura, Masashi Hirai, Kyousuke Taka +2 more | 2000-01-18 |
| 5839336 | Paper-punching device for use in an image-forming apparatus | Yasuji Yamauchi, Toshio Yamanaka, Masafumi Okumura, Masashi Hirai, Kyousuke Taka +2 more | 1998-11-24 |