Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533618 | Method for transferring toner image | Katsuhiko Gotoda, Minoru Motomura, Tadanobu Nakajima, Tatsuo Aizawa | 1985-08-06 |
| 4468111 | Developing device for use on an electrostatic copying apparatus | Ryutaro Yamagata, Nobuhiko Kozuka, Shigeo Koyama, Kazutada Sakai | 1984-08-28 |
| 4436412 | Cleaning device for use on an electrostatic copying apparatus | Ryutaro Yamagata, Nobuhiko Kozuka, Shigeo Koyama, Kazutada Sakai | 1984-03-13 |
| 4410259 | Apparatus for developing latent electrostatic image | Ryutaro Yamagata, Nobuhiko Kozuka, Shigeo Koyama, Kazutada Sakai | 1983-10-18 |
| 4391892 | Multiple copy electrophotographic process using dye sensitized ZnO | Yasushi Kamezaki, Eiichi Inoue, Akira Fushida, Joji Matsumoto | 1983-07-05 |
| 4380579 | Electrostatic copying process and apparatus | Shoji Matsumoto, Toshikazu Matsui, Toshimitsu Ikeda, Nobuhiko Kozuka, Tatsuo Aizawa | 1983-04-19 |
| 4314018 | Cleaning process for an electrostatic copying apparatus | Shoji Matsumoto, Toshikazu Matsui, Toshimitsu Ikeda, Nobuhiko Kozuka, Tatsuo Aizawa | 1982-02-02 |
| 4286861 | Electrostatic copying process and apparatus | Shoji Matsumoto, Toshikazu Matsui, Toshimitsu Ikeda, Nobuhiko Kozuka, Tatsuo Aizawa | 1981-09-01 |
| 4254202 | Electrostatic copying process | Shoji Matsumoto, Toshikazu Matsui, Toshimitsu Ikeda, Nobuhiko Kozuka, Tatsuo Aizawa | 1981-03-03 |
| 4199356 | Electrophotographic process, of transferring a magnetic toner to a copy member having at least 3.times.10.sup.13 ohm-cm resistance | Shoji Matsumoto, Tatsuo Aizawa | 1980-04-22 |