Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4939547 | Multicolor electrophotography apparatus | Noboru Miyaji, Hiroshi Terada, Hayato Kamada | 1990-07-03 |
| 4903634 | Developing device | Taizo Ono, Yoshihiro Katayama, Hayato Kamada | 1990-02-27 |
| 4791455 | Color electrophotographic apparatus and method of cleaning a photosensitive medium | Hajime Yamamoto, Yuji Takashima | 1988-12-13 |