| 10007199 |
Single-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus |
Tomofumi SHIMIZU, Yasuhiro Oishi |
2018-06-26 |
| 9939744 |
Multi-layer electrophotographic photosensitive member |
Jun Azuma, Kensuke Okawa, Akihiko Ogata |
2018-04-10 |
| 9213229 |
Positively chargeable electrophotographic photosensitive member and image forming apparatus |
Yuko Iwashita, Yukimasa Watanabe, Kazuaki EZURE, Kazutaka Sugimoto |
2015-12-15 |
| 9158264 |
Electrophotographic photosensitive member and image forming apparatus including electrophotographic photosensitive member |
Yuko Iwashita, Kazutaka Sugimoto, Yukimasa Watanabe, Kazuaki Edure |
2015-10-13 |
| 8765337 |
Multilayer type electrophotographic photoconductor and image forming apparatus |
Keiji Maruo, Jun Azuma |
2014-07-01 |
| 8686133 |
Oxo-titanylphthalocyanine crystal, method for producing the same and electrophotographic photoreceptor |
Daisuke Kuboshima, Jun Azuma, Yoshio Inagaki, Keiji Maruo |
2014-04-01 |
| 8242261 |
Oxo-titanylphthalocyanine crystal, method for producing the same, and electrophotographic photoreceptor |
Daisuke Kuboshima, Jun Azuma, Yoshio Inagaki, Keiji Maruo |
2012-08-14 |
| 7855286 |
Titanyl phthalocyanin crystal, method for preparing the same and electrophotographic photoconductor |
Jun Azuma |
2010-12-21 |
| 7693454 |
Image forming apparatus |
Jun Azuma |
2010-04-06 |
| 7399564 |
Electrophotographic photoconductor |
Jun Azuma |
2008-07-15 |
| 4795814 |
Process for preparing novel dihydropyridine derivatives |
Shinji Nishitani, Junichi Minamikawa, Masanobu Kano, Yoshiaki Manabe |
1989-01-03 |