Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652948 | Image forming apparatus | Toshihiko Kumon, Hitoshi Sekino, Kazuyoshi Hara, Tatsuya Isono | 1997-07-29 |
| 4616819 | Paper sheet feeding arrangement | Tatsumi Makio, Kazumasa Hayakawa | 1986-10-14 |