Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395440 | Electrophotographic photoreceptor, process cartridge and electrophotographic apparatus using the same | Yasuhiro Yamaguchi, Masakazu Iijima, Masahiro Iwasaki, Taketoshi Hoshizaki, Yasuo Sakaguchi | 2002-05-28 |
| 6045856 | Process for producing a resistive element by diffusing glass | Kaoru Torikoshi, Katsuhiro Sato, Hiroyuki Tanaka, Yutaka Akasaki | 2000-04-04 |
| 6020426 | Charge-transporting copolymer, method of forming charge-transporting copolymer, electrophotographic photosensitive body, and electrophotographic device | Yasuhiro Yamaguchi, Taketoshi Hoshizaki, Yasuo Sakaguchi, Ryosaku Igarashi, Masakazu Iijima +1 more | 2000-02-01 |
| 5834149 | Hydroxygallium phthalocyanine crystals and electrophotographic photoreceptors using same | Katsumi Daimon, Yasuo Sakaguchi, Kazuo Yamasaki | 1998-11-10 |
| 5759726 | Electrographic photosensitive member | Katsumi Daimon, Masakazu Iijima, Kazuo Yamasaki, Ryosaku Igarashi, Yasuhiro Yamaguchi | 1998-06-02 |
| 5756247 | Hydroxygallium phthalocyanine crystal, and electro-photographic photoreceptor containing the same | Katsumi Daimon, Yasuo Sakaguchi, Kazuo Yamasaki | 1998-05-26 |
| 5663327 | Hydroxygallium phthalocyanine crystal, process for producing the same, and electrophotographic photoreceptor containing the same | Katsumi Daimon, Yasuo Sakaguchi, Kazuo Yamasaki | 1997-09-02 |
| 5510823 | Paste for resistive element film | Hiroyuki Tanaka, Kaoru Torikoshi, Katsuhiro Sato, Yutaka Akasaki | 1996-04-23 |
| 5384076 | Resistive film-forming composition and electronic components using the same | Katsuhiro Sato, Kaoru Torikoshi, Hiroyuki Tanaka, Yutaka Akasaki | 1995-01-24 |
| 5384157 | Tungsten oxide film, process for producing same and electrochromic device using same | — | 1995-01-24 |