Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6594461 | Charger and image formation apparatus using the charger | Shigeo Ohno, Ryuichi Yamamoto, Yusuke Kitagawa, Kazuya Yamanoi, Tadashi Kiyama +5 more | 2003-07-15 |
| 6023601 | Developing device using two-component developer | Nobumasa Furuya, Takuto TANAKA | 2000-02-08 |
| 5646669 | Corrosion resistant electrostatic recording head with multiple layers | Tetsuo Yamada, Toshihide Tanaka, Koji UDAGAWA, Yumiko Komori | 1997-07-08 |
| 4785523 | Method of manufacturing a composite member of metal plates and synthetic resin | Yasuo Koseki, Masamori Higuchi | 1988-11-22 |