Patent | Date |
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Electrophotograph developing roller and image forming device using the same Grant 7,450,892 - Tsubota , et al. November 11, 2 | 2008-11-11 |
Multi-layered organic electrophotographic photoconductor Grant 7,135,261 - Yamazaki November 14, 2 | 2006-11-14 |
Electrophotograph developing roller and image forming device using the same App 20060204286 - Tsubota; Toshio ;   et al. | 2006-09-14 |
Quinone compound, electrophotographic photoconductor, and electrophotographic apparatus App 20060204874 - Ohkura; Kenichi ;   et al. | 2006-09-14 |
Electrophotographic photoconductor and manufacturing method therefore Grant 6,984,479 - Yamazaki January 10, 2 | 2006-01-10 |
Electrophotographic photoreceptor, and electrophotographic apparatus using the same Grant 6,852,458 - Ohkura , et al. February 8, 2 | 2005-02-08 |
Quinomethane compounds Grant 6,825,359 - Ohkura , et al. November 30, 2 | 2004-11-30 |
Photoconductor for electrophotography and manufacturing method thereof Grant 6,759,174 - Itoh July 6, 2 | 2004-07-06 |
Multi-layered organic electrophotographic photoconductor App 20040126688 - Yamazaki, Mikio | 2004-07-01 |
Positive charging single-layer organic photoreceptor for liquid development Grant 6,743,557 - Omokawa June 1, 2 | 2004-06-01 |
Substrate for electrophotography photosensitive body, electrophotography photosensitive body, and electrophotography device Grant 6,723,480 - Yahagi , et al. April 20, 2 | 2004-04-20 |
Electrophotographic photoconductor and manufacturing method therefor Grant 6,720,121 - Nakamura , et al. April 13, 2 | 2004-04-13 |
Photoconductor for electrophotography and quinomethane compound App 20040033430 - Sekine, Nobuyuki ;   et al. | 2004-02-19 |
Electrophotographic photoconductor and a method for manufacturing the same App 20030228535 - Sasaki, Teruo ;   et al. | 2003-12-11 |
Electrophotographic photoreceptor, and electrophotographic apparatus using the same App 20030219664 - Ohkura, Kenichi ;   et al. | 2003-11-27 |
Quinomethane compounds App 20030195359 - Ohkura, Kenichi ;   et al. | 2003-10-16 |
Electrophotographic photoconductor Grant 6,627,367 - Tomiuchi , et al. September 30, 2 | 2003-09-30 |
Positive charging single-layer organic photoreceptor for liquid development App 20030134213 - Omokawa, Shinichi | 2003-07-17 |
Photoconductor for electrophotography and manufacturing method thereof App 20030099889 - Itoh, Naoki | 2003-05-29 |
Electrophotographic photoconductor App 20030059694 - Tomiuchi, Yoshimasa ;   et al. | 2003-03-27 |
Electrophotographic photoconductor and manufacturing method therefore App 20030031944 - Yamazaki, Mikio | 2003-02-13 |
Photosensitive body for electrophotography Grant 6,287,736 - Takaki , et al. September 11, 2 | 2001-09-11 |
Photoconductor for electrophotography Grant 6,268,095 - Kuroda July 31, 2 | 2001-07-31 |