Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296900 | Substantially cylindrical developer supplying container for supplying approximately constant amounts of developer | Shunji Yamamoto, Akio Kimura | 1994-03-22 |
| 5227843 | Drive transmission system for a process cartridge used in an image forming apparatus | Shunji Yamamoto, Yukio Tokura, Hideji Hayashi | 1993-07-13 |
| 5218407 | Apparatus for initial set-up of developer unit in an image forming apparatus | Tetsuo Matsushita, Shoji Kashiwagi, Tsuneo Kitagawa | 1993-06-08 |
| 5132729 | Genuine security article distinguishing system for an image forming apparatus | Tetsuo Matsushita, Shoji Imaizumi | 1992-07-21 |
| 4940014 | Developing device | Masamichi Hayashi, Takeji Morikawa | 1990-07-10 |
| 4891679 | Cleaning apparatus for an image forming machine | — | 1990-01-02 |
| 4825241 | Electrostatic latent image developing apparatus | Hiroshi Ikeda, Masamichi Hayashi, Shinya Matsuda | 1989-04-25 |
| 4814820 | Electrostatic latent image developing apparatus | Hideaki Hirahara, Tatsuo Takabe, Kazuya Ishida, Shinya Matsuda, Masaru Komura | 1989-03-21 |