Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345014 | Magnetic brush developing method for use in electrography employing dual-component developing material | Kenji Tabuchi, Susumu Tanaka | 1982-08-17 |
| 4338880 | Magnetic brush development apparatus for use in electrophotographic copying machine | Kenji Tabuchi, Susumu Tanaka, Kenichi Wada | 1982-07-13 |
| 4334497 | Magnetic brush developing apparatus | Kenichi Wada, Kenji Tabuchi | 1982-06-15 |
| 4331757 | Dry process developing method and device employed therefore | Susumu Tanaka | 1982-05-25 |
| 4301228 | Electrographic developing material and developing method employing said developing material | Toshitaro Kori | 1981-11-17 |
| 4284702 | Electrographic developing method | Kenji Tabuchi, Susumu Tanaka, Kenichi Wada, Hiroaki Mizunoe | 1981-08-18 |
| 4269920 | Dry process developing material for electrophotography | Kenichi Wada, Susumu Tanaka, Kenji Tabuchi | 1981-05-26 |
| 4254203 | Dry process developing method employing magnetic toner | Susumu Tanaka | 1981-03-03 |
| 4235194 | Dry process developing apparatus for use in electrophotographic copying machine | Kenichi Wada, Susumu Tanaka, Yoshihiro Isono, Kenji Tabuchi, Hiroaki Mizunoe | 1980-11-25 |