Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6032012 | Developing device, image forming unit and color image forming apparatus, both having the developing device | Noriki Ono, Tatsumi Shimanari, Takao Yorifuji, Moriyuki Kouroku, Yoshiharu Abe +2 more | 2000-02-29 |
| 5073468 | Method of forming electrophotographic image | Tadao Yamamoto, Tetsuya Abe, Masaaki Dohi, Shinichi Hisatomi, Mitsugu Oishi +2 more | 1991-12-17 |