| Patent | Date |
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Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatus
Grant 7,071,285 - Kawamura , et al. July 4, 2 | 2006-07-04 |
Aromatic Block Polycarbonate Resin, Diphenol Compound For Preparation Of The Polycarbonate Resin, Electro-photographic Photoconductor, Electro-photographic Image Forming Apparatus And Process, And Process Cartridge
Grant 6,919,419 - Ri , et al. July 19, 2 | 2005-07-19 |
Method for purifying electronic item material
Grant 6,858,161 - Abe , et al. February 22, 2 | 2005-02-22 |
Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatus
App 20050003287 - Kawamura, Shinichi ; et al. | 2005-01-06 |
Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatus
Grant 6,790,571 - Kawamura , et al. September 14, 2 | 2004-09-14 |
Aromatic block polycarbonate resin, diphenol compound for preparation of the polycarbonate resin, electro-photographic photoconductor, electro-photographic image forming apparatus and process, and process cartridge
App 20040002574 - Ri, Kohkoku ; et al. | 2004-01-01 |
Diphenol compound, aromatic polycarbonate and electrophotoconductive photoconductor
Grant 6,664,361 - Sasaki , et al. December 16, 2 | 2003-12-16 |
Aromatic Block Polycarbonate Resin, Diphenol Compound For Preparation Of The Polycarbonate Resin, Electrophotographic Photoconductor, Electrophotographic Image Forming Apparatus And Process, And Process Cartridge
Grant 6,576,386 - Ri , et al. June 10, 2 | 2003-06-10 |
Method for purifying electronic item material
App 20030050489 - Abe, Katsumi ; et al. | 2003-03-13 |
Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductor
Grant 6,486,293 - Ri , et al. November 26, 2 | 2002-11-26 |
Diphenol compound, aromatic polycarbonate and electrophotoconductive photoconductor
App 20020147278 - Sasaki, Masaomi ; et al. | 2002-10-10 |
Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatus
App 20020098430 - Kawamura, Shinichi ; et al. | 2002-07-25 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein
Grant 6,194,535 - Katayama , et al. February 27, 2 | 2001-02-27 |
Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductor
Grant 6,187,492 - Ri , et al. February 13, 2 | 2001-02-13 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein
Grant 6,172,176 - Tanaka , et al. January 9, 2 | 2001-01-09 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein
Grant 6,066,428 - Katayama , et al. May 23, 2 | 2000-05-23 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein
Grant 6,045,959 - Katayama , et al. April 4, 2 | 2000-04-04 |
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein
Grant 5,976,746 - Tanaka , et al. November 2, 1 | 1999-11-02 |
1,3-pentadiene derivatives and electrophotographic photoconductor using the same
Grant 5,166,438 - Hashimoto , et al. November 24, 1 | 1992-11-24 |
Use of a resin powder composition for electrostatic coating
Grant 4,908,225 - Niimura , et al. March 13, 1 | 1990-03-13 |
Electrophotographic toner and compounds useful for the toner
Grant 4,780,553 - Suzuki , et al. October 25, 1 | 1988-10-25 |
Heat sensitive record material
Grant 4,550,329 - Gonda , et al. October 29, 1 | 1985-10-29 |
Pressure-sensitive copying paper containing lactone compounds derived from pyridine-carboxylic acid
Grant 3,930,672 - Ozutsumi , et al. January 6, 1 | 1976-01-06 |
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