Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6212338 | Image forming device with communication to supplementary toner container | Hideaki Hagihara, Haruo Nishiyama, Kenichi Nagata | 2001-04-03 |
| 5880578 | Power control unit | Daniel Oliveira, Haruo Nishiyama, Hiranaga Yamamoto | 1999-03-09 |