Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7498107 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | — | 2009-03-03 |
| 7183027 | Image forming method | Tsukasa Matsuda | 2007-02-27 |
| 6773857 | Electrophotographic photoreceptor, processes for producing the same, process cartridge, and electrophotographic apparatus | Hirofumi Nakamura, Hidemi Nukada, Masahiro Iwasaki, Michiko Aida, Yukiko KAMIJO +5 more | 2004-08-10 |
| 6136946 | Process for producing high-molecular-weight polycarbonate and electrophotographic photoreceptor using polycarbonate obtained by the process | Kenji Yao, Masahiko Miyamoto, Michiko Aida | 2000-10-24 |
| 5795690 | Electrophotographic photoreceptor, image forming apparatus and image forming process | Hidemi Nukada, Hiroshi Yamamoto, Koji Goshima, Takaaki Kimura | 1998-08-18 |
| 5763127 | Electrophotographic photoreceptor | Koji Goshima | 1998-06-09 |
| 5688621 | Electrophotographic photoreceptor and image forming method | Takaaki Kimura | 1997-11-18 |
| 5550000 | Process for producing electrophotographic photoreceptor | Shigeto Hashiba, Hiroshi Miyamoto, Nobuyuki Ichizawa | 1996-08-27 |
| 5463043 | Process for producing a dichlorotin phthalocyanine crystal | Katsumi Nukada, Akira Imai, Katsumi Daimon, Masakazu Iijima, Kiyokazu Mashimo +1 more | 1995-10-31 |
| 5399452 | Electrophotographic photoreceptor | Kazuyuki Nakamura, Kiyokazu Mashimo, Tomoo Kobayashi, Toru Ishii, Yutaka Akasaki | 1995-03-21 |
| 5358813 | Crystals of chlorogallium phthalocyanine and method of preparing them | Masakazu Iijima, Katsumi Nukada, Katsumi Daimon, Akira Imai, Toru Ishii +2 more | 1994-10-25 |
| 5338636 | Dichlorotin phthalocyanine crystal electrophotographic photoreceptor using the same, and coating composition for electrophotographic photoreceptor | Katsumi Nukada, Akira Imai, Katsumi Daimon, Masakazu Iijima, Kiyokazu Mashimo +1 more | 1994-08-16 |
| 5336582 | Electrophotographic image formation comprising an arylamine in a charge transport layer and an encapsulated toner | Tsutomu Kubo, Keiko Ariie, Tomoo Kobayashi | 1994-08-09 |
| 5141832 | Electrophotographic photoreceptor with copolymerized polycarbonate resin | Kiyokazu Mashimo, Yasuo Sakaguchi, Makoto Takemoto | 1992-08-25 |
| 5104758 | Electrophotographic photoreceptor comprising a squarylium compound and selenium or a selenium alloy | Kiyokazu Mashimo, Ryosaku Igarashi, Yasuo Sakaguchi, Shigetoshi Nakamura, Kohichi Yamamoto | 1992-04-14 |
| 4996125 | Electrophotographic photoreceptor containing a fluorine lubricating agent layer | Yasuo Sakaguchi, Makoto Takemoto, Masanori Murase | 1991-02-26 |
| 4948687 | Multi-layered squarylium-based positive charge electrophotographic photoreceptor | Masanori Murase, Makoto Takemoto, Yasuo Sakaguchi | 1990-08-14 |