Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803521 | Process kit and image forming apparatus using the same | — | 1989-02-07 |
| 4782358 | Device for separating transfer sheet | Tetsuhiro Shibayama | 1988-11-01 |
| 4743942 | Magnetic developer conveying device | Akira Yamamoto | 1988-05-10 |
| 4719488 | Imaging optical system using distributed index optical elements | Michitaka Setani, Mitsuhiro Tokuhara, Hiroaki Tsuchiya | 1988-01-12 |
| 4709273 | Original reading device | Takashi Saito | 1987-11-24 |
| 4702586 | Copy board apparatus | Takashi Saito, Hiroshi Nitanda, Tsuneki Inuzuka, Mitsuhiro Tokuhara | 1987-10-27 |
| 4699494 | Process unit and image forming apparatus using such unit | — | 1987-10-13 |
| 4641944 | Image exposing apparatus | Hiroaki Tsuchiya, Michitaka Setani, Mitsuhiro Tokuhara | 1987-02-10 |
| 4607941 | Process unit and image forming apparatus using such unit | — | 1986-08-26 |
| 4566777 | Process kit for image forming apparatus | Shigeyoshi Onoda, Fumio Nishino | 1986-01-28 |
| 4402598 | Exposure control apparatus | Masahiro Tomosada, Kanou Tanaka | 1983-09-06 |
| 4355884 | Electrophotographic apparatus | Tsutomu Toyono, Shunji Nakamura, Kano Tanaka, Yoshimasa Kimura | 1982-10-26 |
| 4334763 | Electrophotographic copying apparatus | Shinji Murata, Tsutomu Toyono, Yoshiaki Sone, Teruo Morikawa | 1982-06-15 |