| Patent | Date |
|---|
Electrophotographic process of developing and transfering images uses fluorine containing offset preventing agent in developer
Grant 4,388,396 - Nishibayashi , et al. June 14, 1 | 1983-06-14 |
Plate for lithography or offset printing
Grant 4,380,196 - Kato , et al. April 19, 1 | 1983-04-19 |
Method for preparing original for projection and transfer film for electrostatic photography for use in carrying out said method
Grant 4,370,379 - Kato , et al. January 25, 1 | 1983-01-25 |
Developer for electrophotography and process for preparation thereof
Grant 4,357,406 - Kouchi , et al. November 2, 1 | 1982-11-02 |
Thermosensitive recording material
Grant 4,349,611 - Miyakawa , et al. September 14, 1 | 1982-09-14 |
Electrostatic copying process and apparatus
Grant 4,286,861 - Matsumoto , et al. September 1, 1 | 1981-09-01 |
Developer for electrostatic photography and process for preparation thereof
Grant 4,264,698 - Takayama , et al. * April 28, 1 | 1981-04-28 |
Electrostatic copying process
Grant 4,254,202 - Matsumoto , et al. March 3, 1 | 1981-03-03 |
Transfer sheet and process for preparation thereof
Grant 4,245,025 - Kato , et al. January 13, 1 | 1981-01-13 |
Photosensitive paper for electrophotography with an electrically conductive coating of a fluorine resin
Grant 4,232,101 - Fukuda , et al. November 4, 1 | 1980-11-04 |
Method of and means for synchronously transferring original and copying paper for electrostatic photoduplication
Grant 4,181,424 - Okada , et al. January 1, 1 | 1980-01-01 |
Electrostatic photographic copying machine
Grant 4,179,211 - Kimura , et al. December 18, 1 | 1979-12-18 |
Transfer sheet with toner-receiving layer of thermoplastic and thermosetting polymers
Grant 4,168,338 - Kato , et al. September 18, 1 | 1979-09-18 |
Electrophotographic photosensitive material suitable for offset printing and lithography and process for production thereof
Grant 4,168,165 - Kato , et al. September 18, 1 | 1979-09-18 |
Magnetic dry developer for electrostatic photography and process for preparation thereof
Grant 4,108,786 - Takayama , et al. August 22, 1 | 1978-08-22 |
Pressure-fixing magnetic developer containing hydrogenated polystyrene binder for electrostatic photography and process for preparation thereof
Grant 4,100,087 - Takayama , et al. July 11, 1 | 1978-07-11 |
Magnetic developer for electrostatic photography and process for preparation thereof
Grant 4,082,681 - Takayama , et al. April 4, 1 | 1978-04-04 |
Liquid developer
Grant 4,051,052 - Ueda , et al. September 27, 1 | 1977-09-27 |
Contact heat fixing device
Grant 4,045,165 - Nakajima , et al. August 30, 1 | 1977-08-30 |
Compact optical system for an electrostatic photographic copying apparatus
Grant 4,033,689 - Washio , et al. July 5, 1 | 1977-07-05 |
Apparatus for preventing successive jamming of copy sheets in copying apparatus
Grant 4,017,175 - Washio , et al. April 12, 1 | 1977-04-12 |
Copying machine in which, paper jamming at copying paper cutting mechanism is prevented
Grant 4,013,357 - Nakajima , et al. March 22, 1 | 1977-03-22 |
Electrostatic photographic copying apparatus
Grant 4,012,138 - Washio , et al. March 15, 1 | 1977-03-15 |
Electrophotographic copying machine
Grant 3,950,090 - Washio , et al. April 13, 1 | 1976-04-13 |
Electrostatic photographic copying apparatus
Grant 3,923,391 - Washio , et al. December 2, 1 | 1975-12-02 |
Waxy crayon or ink-like diazotype developer composition comprising heat transferrable azo coupler and transfer promotor
Grant 3,907,567 - Nihyakumen , et al. September 23, 1 | 1975-09-23 |
Copying Machine Equipped With Synchronous Exposing Mechanism
Grant 3,865,481 - Washio , et al. February 11, 1 | 1975-02-11 |
Copying Machine Equipped With Synchronously Exposing Mechanism
Grant 3,843,251 - Washio , et al. October 22, 1 | 1974-10-22 |
Electrophotographic Process Using Corona Discharge Current Of An Asymmetrical Wave Form
Grant 3,775,104 - Matsumoto , et al. November 27, 1 | 1973-11-27 |
Apparatus For Preventing Successive Jamming Of Copy Sheets In Copying Apparatus
Grant 3,737,159 - Washio , et al. June 5, 1 | 1973-06-05 |
Zinc Oxide Binder Plate For Chargeless Electrophotography
Grant 3,607,262 - Ueda , et al. September 21, 1 | 1971-09-21 |
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