Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593805 | Oxytitanium phthalocyanine, process for producing same and electrophotographic photosensitive member using same | Shintetsu Go, Hideyuki Takai, Hajime Miyazaki, Itaru Yamazaki, Tetsuro Kanemaru | 1997-01-14 |
| 5558964 | Electrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the same | Toshiyuki Yoshihara, Nobuyuki Hanami, Hideyuki Takai, Hideki Anayama, Hajime Miyazaki +5 more | 1996-09-24 |
| 5530115 | Process for producing crystalline I-type oxytitanium phthalocyanine | Hajime Miyazaki, Hideyuki Takai, Itaru Yamazaki | 1996-06-25 |
| 5466550 | Electrophotographic photosensitive member and electrophotographic apparatus, device unit and facsimile machine using the same | Tetsuro Kanemaru, Hideyuki Takai, Itaru Yamazaki | 1995-11-14 |
| 5432278 | Process for producing crystalline oxytitanium phthalocyanine | Itaru Yamazaki, Hideyuki Takai, Hajime Miyazaki, Tetsuro Kanemaru | 1995-07-11 |
| 5286589 | Electrophotographic photosensitive member | Shintetsu Go, Toshie Miyaji, Hajime Miyazaki, Hideyuki Takai, Masakazu Matsumoto | 1994-02-15 |
| 5194354 | Low crystalline oxytitanium phthalocyanine, process for producing crystalline oxytitanium phthalocyanines using the same, oxytitanium phthalocyanine of a novel crystal form and electrophotographic photosensitive member using the same | Hideyuki Takai, Itaru Yamazaki, Hajime Miyazaki | 1993-03-16 |
| 5132197 | Oxytitanium phthalocyanine, process for producing same and electrophotosensitive member using same | Hideyuki Takai, Hajime Miyazaki, Itaru Yamazaki | 1992-07-21 |
| 5126222 | Electrophotographic photosensitive member containing a barbituric acid or thiobarbituric acid derivative | Shintetsu Go, Hajime Miyazaki, Toshie Miyaji | 1992-06-30 |
| 5112759 | Electrophotographic photosensitive member | Akihiro Senoo, Hajime Miyazaki, Shintetsu Go, Toshie Miyaji | 1992-05-12 |
| 5047304 | Electrophotographic photosensitive member | Hajime Miyazaki, Hideyuki Takai, Shintetsu Go | 1991-09-10 |
| 5034294 | Electrophotographic photosensitive member with compound having electron donor and acceptor portions | Shintetsu Go, Hajime Miyazaki, Hideyuki Takai, Masakazu Matsumoto | 1991-07-23 |
| 4963450 | Electrophotographic photosensitive member with disazo pigment | Hajime Miyazaki, Shintetsu Go, Akihiro Senoo, Tetsuro Kanemaru | 1990-10-16 |