| Patent | Date |
|---|
Pigment and process for producing the same, water base ink and process for producing the same
Grant 6,287,374 - Yanagida , et al. September 11, 2 | 2001-09-11 |
Charging device for charging the surface of a photosensitive member in an electrophotographic image forming device
Grant 5,568,231 - Asano , et al. October 22, 1 | 1996-10-22 |
Photosensitive member having surface protective layer with specified optical properties
Grant 5,536,610 - Ojima , et al. July 16, 1 | 1996-07-16 |
Image forming apparatus including means for removing counter charged toner from the charging means
Grant 5,371,578 - Asano , et al. December 6, 1 | 1994-12-06 |
Contact charging device having a brush restricting member
Grant 5,245,386 - Asano , et al. September 14, 1 | 1993-09-14 |
Contract charger
Grant 5,192,974 - Ikegawa , et al. March 9, 1 | 1993-03-09 |
Cleaning device
Grant 5,043,769 - Osawa , et al. August 27, 1 | 1991-08-27 |
Method of production of amorphous hydrogenated carbon layer
Grant 5,000,831 - Osawa , et al. March 19, 1 | 1991-03-19 |
Developer containing halogenated amorphous carbon particles prepared by plasma-polymerization
Grant 4,971,880 - Hotomi , et al. November 20, 1 | 1990-11-20 |
Photosensitive member having an overcoat layer and process for manufacturing the same
Grant 4,965,156 - Hotomi , et al. October 23, 1 | 1990-10-23 |
Photosensitive member
Grant 4,939,056 - Hotomi , et al. July 3, 1 | 1990-07-03 |
Photosensitive member of plasma polymerized amorphous carbon charge transporting layer and charge generating layer
Grant 4,906,544 - Osawa , et al. March 6, 1 | 1990-03-06 |
Photosensitive member having an overcoat layer comprising amorphous carbon
Grant 4,882,256 - Osawa , et al. November 21, 1 | 1989-11-21 |
Photosensitive member having an overcoat layer
Grant 4,801,515 - Iino , et al. January 31, 1 | 1989-01-31 |
Photosensitive member comprising charge generating layer and charge transporting layer
Grant 4,797,338 - Iino , et al. January 10, 1 | 1989-01-10 |
Photosensitive member with hydrogen-containing carbon layer
Grant 4,749,636 - Iino , et al. June 7, 1 | 1988-06-07 |
Photosensitive member with hydrogen-containing carbon layer
Grant 4,743,522 - Iino , et al. May 10, 1 | 1988-05-10 |
Photosensitive member having undercoat layer of amorphous carbon
Grant 4,741,982 - Iino , et al. May 3, 1 | 1988-05-03 |
Photosensitive member having an amorphous carbon transport layer
Grant 4,738,912 - Iino , et al. April 19, 1 | 1988-04-19 |
Electrophotosensitive member with multiple layers of amorphous silicon
Grant 4,686,164 - Osawa , et al. August 11, 1 | 1987-08-11 |
Electrophotosensitive member having a depletion layer
Grant 4,683,185 - Osawa , et al. July 28, 1 | 1987-07-28 |
Electrophotosensitive member having alternating amorphous semiconductor layers
Grant 4,683,184 - Osawa , et al. July 28, 1 | 1987-07-28 |
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