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Patent applications and USPTO patent grants for Hirakoso; Yuka.The latest application filed is for "electroconductive member, process cartridge and electrophotographic apparatus".
Patent | Date |
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Electroconductive member, process cartridge and electrophotographic image forming apparatus Grant 9,023,465 - Yamada , et al. May 5, 2 | 2015-05-05 |
Electroconductive member, process cartridge and electrophotographic apparatus Grant 8,449,975 - Hirakoso , et al. May 28, 2 | 2013-05-28 |
Electro-conductive member for electrophotography, process cartridge, and electrophotographic apparatus Grant 8,298,670 - Muranaka , et al. October 30, 2 | 2012-10-30 |
Electroconductive Member, Process Cartridge And Electrophotographic Apparatus App 20120070188 - Hirakoso; Yuka ;   et al. | 2012-03-22 |
Electro-conductive Member For Electrophotography, Process Cartridge, And Electrophotographic Apparatus App 20120027456 - Muranaka; Norifumi ;   et al. | 2012-02-02 |
Electroconductive Member, Process Cartridge And Electrophotographic Image Forming Apparatus App 20120020700 - Yamada; Satoru ;   et al. | 2012-01-26 |
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