Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5834149 | Hydroxygallium phthalocyanine crystals and electrophotographic photoreceptors using same | Fumiaki Tambo, Katsumi Daimon, Yasuo Sakaguchi | 1998-11-10 |
| 5759726 | Electrographic photosensitive member | Fumiaki Tambo, Katsumi Daimon, Masakazu Iijima, Ryosaku Igarashi, Yasuhiro Yamaguchi | 1998-06-02 |
| 5756247 | Hydroxygallium phthalocyanine crystal, and electro-photographic photoreceptor containing the same | Fumiaki Tambo, Katsumi Daimon, Yasuo Sakaguchi | 1998-05-26 |
| 5663327 | Hydroxygallium phthalocyanine crystal, process for producing the same, and electrophotographic photoreceptor containing the same | Fumiaki Tambo, Katsumi Daimon, Yasuo Sakaguchi | 1997-09-02 |
| 5464717 | Electrophotographic photoreceptor with subbing layer and charge generating layer | Yasuo Sakaguchi, Katsumi Daimon, Michiaki Takahashi, Yasuhiro Yamaguchi | 1995-11-07 |
| 5393629 | Electrophotographic photoreceptor | Katsumi Nukada, Katsumi Daimon, Yasuo Sakaguchi, Masakazu Iijima, Michiaki Takahashi +7 more | 1995-02-28 |
| 5354636 | Electrophotographic photoreceptor comprising polyimide resin | Yoshiyuki Ono, Masaki Yokoi, Hiroyuki Hotta, Kenichi Kobayashi, Takayuki Yamada +1 more | 1994-10-11 |
| 5302479 | Crystals of hydroxygallium phthalocyanine, method of preparing the crystals, photoconductive material comprising the crystals, and electrophotographic photoreceptor comprising the material | Katsumi Daimon, Katsumi Nukada, Akira Imai, Masakazu Iijima, Kiyokazu Mashimo +2 more | 1994-04-12 |