Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144521 | Discharging member and charging device using the same | Eishu Ohdake | 1992-09-01 |
| 4837071 | Information display medium | Harumitsu Mashiko | 1989-06-06 |
| 4745282 | Ventilated corona charging | Kazuaki Tagawa, Itaru Matsuda | 1988-05-17 |
| 4640611 | Copying method for bookbinding | Eishu Ohdake, Tomohiro Oikawa, Kenichi Shimizu, Takashi Seto, Masahiro Ishikawa +1 more | 1987-02-03 |
| 4628017 | Electrostatic image forming method | — | 1986-12-09 |
| 4592651 | Copier with bookbinding function | Tomohiro Oikawa, Kenichi Shimizu, Shigeru Suzuki, Masahiro Ishikawa, Takashi Seto | 1986-06-03 |
| 4588285 | Residual toner collecting device for electrophotographic copier | — | 1986-05-13 |
| 4556311 | Electrophotographic copying apparatus | — | 1985-12-03 |