Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6503673 | Phthalocyanine composition, process for production thereof, and electrophotographic photoreceptor | Tamotsu Horiuchi, Hideki Nagamura | 2003-01-07 |
| 6485658 | Phthalocyanine, process for producing the same and electrophotographic photoreceptor using the same | Tamotsu Horiuchi, Hideki Nagamura | 2002-11-26 |
| 6225015 | Oxytitanium phthalocyanine process for the production thereof and electrophotographic photoreceptor to which the oxytitanium phthalocyanine is applied | Michihiko Sato, Kazuyuki SURUGA, Tamotsu Horiuchi | 2001-05-01 |
| 5378568 | Electrophotographic photoreceptor containing an azo pigment | Akira Itoh | 1995-01-03 |
| 5171651 | Electrophotographic photoreceptor with a carrier transport layer containing a hydroquinone compound | Kazuchiyo Takaoka, Hideya Arisue | 1992-12-15 |
| 5089366 | Novel hydrazone compound in an electrophotographic receptor | Kozo Haino, Akira Itoh, Kazuhiro Emoto, Tatsuya Kodera, Kazuchiyo Takaoka | 1992-02-18 |
| 5041349 | Electrophotographic disazo photoreceptor | Kazuhiro Emoto, Kozo Haino, Akira Itoh | 1991-08-20 |
| 5013623 | Electrophotographic photoreceptor with stilbene compound | Akira Itoh, Kozo Haino, Kazuhiro Emoto, Tatsuya Kodera | 1991-05-07 |
| 4999269 | Electrophotographic photoreceptor with bisazo compound | Kazuhiro Emoto, Kozo Haino, Akira Itoh | 1991-03-12 |