Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5539502 | Multi-chamber electro-photographic developing unit for image forming apparatus | Toshiharu Koshino, Masahiko Nakamura, Toichi Matsumura, Kazumasa Hayashi, Kenji Asakura +2 more | 1996-07-23 |
| 5240805 | Electrophotographic toner | Hidenori Asada, Shigeki Yamada, Takeshi Arakawa, Nobuyuki Tsuji | 1993-08-31 |
| 5184181 | Cartridge discriminating system | Shigeo Kurando, Yoshinori Makiura, Yutaka Shigemura, Junichi Ooura, Eiji Mifune +2 more | 1993-02-02 |
| 5077168 | Toner for electrophotography and process for preparation thereof | Shunsuke Ogami, Atsushi Yamaguchi, Hidenori Asada, Masanori Fujii, Kiminori Umeda +1 more | 1991-12-31 |
| 4963939 | Cartridge discriminating system | Shigeo Kurando, Yoshinori Makiura, Yutaka Shigemura, Junichi Ooura, Eiji Mifune +2 more | 1990-10-16 |