Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5972550 | Electrophotographic photoconductor and method of manufacturing same | Yukihisa Tamura | 1999-10-26 |
| 5928824 | Electrophotographic photoconductor | Takashi Obinata | 1999-07-27 |
| 5780193 | Electrophotographic photoconductor with conductive boron polymer | Shinjiro Suzuki | 1998-07-14 |
| 5733696 | Inverted-lamination organic positive-photoconductor for electrophotography | Akira Takahashi | 1998-03-31 |
| 5725982 | Photoconductor for electrophotography | Michihiro Kitazawa, Katsuhiro Sato | 1998-03-10 |
| 5707766 | Electrophotographic photosensitive material | Michihiro Kitazawa | 1998-01-13 |
| 5700613 | Photoconductor for electrophotography | Michihiro Kitazawa, Katsuhiro Sato | 1997-12-23 |
| 5618646 | Electrophotographic photoreceptors with anti-oxidizing agents | Michihiro Kitazawa, Katsuhiro Sato, Yoshimasa Tomiuchi | 1997-04-08 |
| 5612158 | Electrophotographic photoconductor and process for producing the same | Yasushi Iguchi, Kyoko Kitagawa | 1997-03-18 |
| 5595847 | Photoconductor having a cured layer of an amino resin-phenol resin copolycondensate | Michihiro Kitazawa, Katsuhiro Sato | 1997-01-21 |
| 5561022 | Electrophotographic photoconductor | Hideki Kina, Kaneyuki Mantoku | 1996-10-01 |
| 5556728 | Photoconductor element of an electrophotographic device | Hideki Kina, Kaneyuki Mantoku | 1996-09-17 |
| 5478685 | Photoconductor for electrophotography | Hideki Kina, Kaneyuki Mantoku | 1995-12-26 |
| 5456989 | Photosensitive body for electrophotography | Michihiro Kitazawa, Katsuhiro Sato | 1995-10-10 |
| 5432034 | Photoconductor for electrophotography including an undercoating layer | Yasushi Iguchi | 1995-07-11 |
| 5407767 | Photoconductors for electrophotography with indole and benzidine compounds | Yoichi Nakamura, Nobuyoshi Mori | 1995-04-18 |
| 5405725 | Photoconductor for electrophotography | Yoichi Nakamura, Hideki Komiyama | 1995-04-11 |
| 5401600 | Photosensitive body for electrophotography | Koichi Aizawa, Takashi Obinata | 1995-03-28 |
| 5393627 | Photoconductor for electrophotography | Yoichi Nakamura, Nobuyoshi Mori | 1995-02-28 |
| 5368966 | Photosensitive member for electrophotography with indole derivative | Yoichi Nakamura, Nobuyoshi Mori | 1994-11-29 |
| 5316881 | Photoconductor for electrophotgraphy containing benzidine derivative | Yoichi Nakamura, Nobuyoshi Mori | 1994-05-31 |
| 4732832 | Electrophotographic photoconductor using aluminum phthalocyanine compound in charge generating layer | Yoshihiko Mori, Tatsuro Iwabuchi | 1988-03-22 |
| 4463162 | Polynuclear fused aromatic ring type polymer and preparation thereof | Tsuneo Wakabayashi, Eiichi Oono, Yoshiharu Kitahama, Isamu Iwami | 1984-07-31 |
| 4444860 | Layered persistent photoconductive element comprises pigment layer and polymer layer containing polyvinyl carbazole | Akitaka Yasujima, Yoshiharu Kitahama, Isamu Iwami | 1984-04-24 |
| 4444861 | Photo sensitive article for electrophotography containing charge transfer material | Yoshiharu Kitahama, Isamu Iwami | 1984-04-24 |