Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673629 | Photoreceptor having amorphous silicon layers | Toshinori Yamazaki, Tatsuo Nakanishi, Yuji Marukawa, Shigeki Takenouchi | 1987-06-16 |
| 4668599 | Photoreceptor comprising amorphous layer doped with atoms and/or ions of a metal | Toshinori Yamazaki, Eiichi Sakai | 1987-05-26 |
| 4637971 | Photoreceptor having polycarbonate layers and process for the preparation thereof | Yoshiaki Takei, Katumi Matuura | 1987-01-20 |
| 4600292 | Photoconductive screen | Yoshihide Fujimaki, Masataka Takimoto | 1986-07-15 |
| 4599287 | Positive charging photorecptor | Yoshihide Fujimaki, Yoshiaki Takei, Yasuo Suzuki | 1986-07-08 |
| 4591542 | Light-sensitive member and preparation thereof for use in electrophotography | Yoshihide Fujimaki, Koichi Kudo, Yoshiaki Takei | 1986-05-27 |
| 4576797 | Vapor source holding container | Akira Nishiwaki, Yasuo Morohoshi, Hitoshi Mitake, Hiroyuki Moriguchi, Kunio Ito | 1986-03-18 |
| 4551303 | Method of using an evaporation source | Hiroyuki Moriguchi, Masanori Matsumoto, Akira Nishiwaki, Yasuo Morohoshi | 1985-11-05 |
| 4540651 | Electrophotographic photosensitive member | Yoshihide Fujimaki, Yoshiaki Takei | 1985-09-10 |
| 4518670 | Recording material for electrophotography comprising amorphous silicon containing nitrogen | Masatoshi Matsuzaki, Toshinori Yamazaki | 1985-05-21 |
| 4510224 | Electrophotographic photoreceptors having amorphous silicon photoconductors | Toshinori Yamazaki, Masatoshi Matsuzaki, Tetsuo Shima, Isao Myokan | 1985-04-09 |
| 4501621 | Method for removing a selenium layer from a substrate | Naoto Abe, Hidetoshi Akimoto | 1985-02-26 |
| 4495262 | Photosensitive member for electrophotography comprises inorganic layers | Masatoshi Matsuzaki, Toshinori Yamazaki, Isao Myokan, Tetsuo Shima | 1985-01-22 |
| 4477549 | Photoreceptor for electrophotography, method of forming an electrostatic latent image, and electrophotographic process | Yoshihide Fujimaki, Yoshiaki Takei | 1984-10-16 |
| 4476209 | Selenium-antimony alloy electrophotographic photoreceptors | Hiroyuki Moriguchi, Takeo Shimura, Tadashi Kaneko, Akira Nishiwaki | 1984-10-09 |
| 4450218 | Photoconductive receptor for an electrophotography | Yoshiaki Takei, Yoshihide Fujimaki | 1984-05-22 |
| 4431722 | Photosensitive element for electrophotography produced by sublimation | Yoshiaki Takei, Yoshihide Fujimaki, Naoko Akashi | 1984-02-14 |
| 4424266 | Layered electrophotographic photosensitive element having hydrazone charge transport material | Seiji Kurihara, Satoshi Goto, Tsuneo Wada, Akira Kinoshita, Yoshiaki Takei +1 more | 1984-01-03 |
| 4410615 | Layered electrophotographic photosensitive element having hydrazone charge transport layer | Satoshi Goto, Akira Kinoshita, Tsuneo Wada, Yoshiaki Takei, Naoko Akashi | 1983-10-18 |
| 4302521 | Photosensitive element for electrophotography | Yoshiaki Takei, Yoneko Kimura | 1981-11-24 |
| 4283474 | Oleophilic resin encapsulates photoconductive zinc oxide particles dispersed in vinyl chloride and vinyl acetate resin binder for electrophotosensitive recording layer | Tadashi Kaneko, Takeo Shimura, Masanori Matsumoto, Hiroyuki Moriguchi | 1981-08-11 |
| 4281055 | Photosensitive element with water soluble interlayer | Hiroyuki Moriguchi, Satoshi Haneda, Tadashi Kaneko, Akira Itoh, Takeo Shimura +1 more | 1981-07-28 |
| 4278746 | Photosensitive elements for electrophotography | Satoshi Goto, Yoshiaki Takei, Ichiro Imaho | 1981-07-14 |