Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533618 | Method for transferring toner image | Hitoshi Nishihama, Katsuhiko Gotoda, Minoru Motomura, Tadanobu Nakajima | 1985-08-06 |
| 4430410 | Method and apparatus for developing latent electrostatic images | Shoji Matsumoto, Kaoru Sakata, Toshikazu Matsui, Akira Fushida, Toshimitsu Ikeda +1 more | 1984-02-07 |
| 4415645 | Developer for electrophotography and process for preparation thereof | Toshihiro Kouchi | 1983-11-15 |
| 4388396 | Electrophotographic process of developing and transfering images uses fluorine containing offset preventing agent in developer | Hatsumi Nishibayashi, Yoshimi Amagai, Norio Hikake, Toshihiro Kouchi | 1983-06-14 |
| 4380196 | Plate for lithography or offset printing | Yoshiaki Kato, Akira Fushida, Yasuo Ueda, Yasusuke Tohi | 1983-04-19 |
| 4380579 | Electrostatic copying process and apparatus | Shoji Matsumoto, Toshikazu Matsui, Toshimitsu Ikeda, Nobuhiko Kozuka, Hitoshi Nishihama | 1983-04-19 |
| 4370379 | Method for preparing original for projection and transfer film for electrostatic photography for use in carrying out said method | Mamoru Kato, Shoji Matsumoto | 1983-01-25 |
| 4357406 | Developer for electrophotography and process for preparation thereof | Toshihiro Kouchi | 1982-11-02 |
| 4349611 | Thermosensitive recording material | Nobuhiro Miyakawa | 1982-09-14 |
| 4333967 | Process of making a thermosensitive recording material | Nobuhiro Miyakawa | 1982-06-08 |
| 4328265 | Process for preparation of a transfer sheet for electrostatic photography or printing | Mamoru Kato, Susumu Yamaura, Yasutoki Kamezawa | 1982-05-04 |
| 4320186 | Electrographic method for preparing original for projection and transfer film for use in method | Mamoru Kato, Shoji Matsumoto | 1982-03-16 |
| 4314018 | Cleaning process for an electrostatic copying apparatus | Shoji Matsumoto, Toshikazu Matsui, Toshimitsu Ikeda, Nobuhiko Kozuka, Hitoshi Nishihama | 1982-02-02 |
| 4286861 | Electrostatic copying process and apparatus | Shoji Matsumoto, Toshikazu Matsui, Toshimitsu Ikeda, Nobuhiko Kozuka, Hitoshi Nishihama | 1981-09-01 |
| 4267246 | Pressure or heated roller electrophoto image fixing uses halogen or nitrile containing polymer dispersed within resin binder as offset prevent toner | Katsumi Nishibayashi, Yoshimi Amagai, Norio Hikake, Toshihiro Kouchi | 1981-05-12 |
| 4265992 | Coated magnetic developer particles for electrophotography containing vinyl and olefin resins | Toshihiro Kouchi, Hiroshi Takayama | 1981-05-05 |
| 4264698 | Developer for electrostatic photography and process for preparation thereof | Hiroshi Takayama | 1981-04-28 |
| 4259008 | Electrostatic copying apparatus | Ryutaro Yamagata, Sohei Matsuo, Shigeo Koyama, Nobuhiko Kozuka, Yasusuke Tohi | 1981-03-31 |
| 4254202 | Electrostatic copying process | Shoji Matsumoto, Toshikazu Matsui, Toshimitsu Ikeda, Nobuhiko Kozuka, Hitoshi Nishihama | 1981-03-03 |
| 4245025 | Transfer sheet and process for preparation thereof | Mamoru Kato, Susumu Yamaura, Yasutoki Kamezawa | 1981-01-13 |
| 4233386 | Method of removing residual toner from surface of photoconductive member for use in electrostatic copying apparatus of the transfer type | Nobuhiko Kozuka, Yuji Hasegawa | 1980-11-11 |
| 4232101 | Photosensitive paper for electrophotography with an electrically conductive coating of a fluorine resin | Hideo Fukuda, Hiroichi Morikawa, Yasutoki Kamezawa | 1980-11-04 |
| 4226928 | Laminated photosensitive material for electrophotography | Toru Nakazawa, Keiichi Nagahashi | 1980-10-07 |
| 4214907 | Photosensitive material for electrophotography having a polyvinyl carbazole derivative, phthalocyanine, and an electron-acceptor | Toru Nakazawa, Keiichi Nagahashi | 1980-07-29 |
| 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, Hitoshi Nishihama | 1980-04-22 |