Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5769409 | Paper regulating mechanism and paper cassette | Masao Otsuka, Fumio Hatanaka, Arihiro Tsunoda | 1998-06-23 |
| 5586757 | Paper regulating mechanism and paper cassette | Masao Otsuka, Fumio Hatanaka, Arihiro Tsunoda | 1996-12-24 |