Matsunaga; Kenta

Patent Applications and Registrations

Patent applications and USPTO patent grants for Matsunaga; Kenta.The latest application filed is for "developing roller, process cartridge and electrophotographic image forming apparatus".

Company Profile

11.9.10

Matsunaga; Kenta - Susono JP
Matsunaga; Kenta - Susono-shi JP
Matsunaga, Kenta - Tokyo JP
Matsunaga; Kenta - Kikuchi-gun JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electrophotographic member, electrophotographic process cartridge, and electrophotographic image forming apparatus Grant 10,976,683 - Ishida , et al. April 13, 2	2021-04-13
Electrophotographic member having a surface layer with a cross-linked urethane resin-containing matrix, process cartridge, and apparatus Grant 10,942,471 - Ogawa , et al. March 9, 2	2021-03-09
Developing roller, process cartridge and electrophotographic image forming apparatus Grant 10,895,823 - Uno , et al. January 19, 2	2021-01-19
Developing roller, process cartridge and electrophotographic image forming apparatus Grant 10,895,824 - Sugiyama , et al. January 19, 2	2021-01-19
Developing Roller, Process Cartridge And Electrophotographic Image Forming Apparatus App 20200363751 - Uno; Masashi ; et al.	2020-11-19
Developing roller having crown-shaped electro-conductive layer with outer surface providing electrically insulating first regions adjacent to second regions having higher conductivity Grant 10,831,126 - Matsunaga , et al. November 10, 2	2020-11-10
Developing Roller, Process Cartridge And Electrophotographic Image Forming Apparatus App 20200310282 - Sugiyama; Ryo ; et al.	2020-10-01
Electrophotographic Member, Process Cartridge, And Electrophotographic Image Forming Apparatus App 20200310283 - Ogawa; Yoshinobu ; et al.	2020-10-01
Developing member having outer surface with independent electrically insulating domains, electrophotographic process cartridge, and electrophotographic image forming apparatus Grant 10,642,186 - Sakurai , et al.	2020-05-05
Developing Roller, Process Cartridge, And Electrophotographic Image Forming Apparatus App 20200073309 - Matsunaga; Kenta ; et al.	2020-03-05
Electrophotographic Member, Electrophotographic Process Cartridge, And Electrophotographic Image Forming Apparatus App 20200041926 - Ishida; Kazutoshi ; et al.	2020-02-06
Developing Member, Electrophotographic Process Cartridge, And Electrophotographic Image Forming Apparatus App 20190265609 - Sakurai; Yuji ; et al.	2019-08-29
Electrophotographic member, process cartridge, and electrophotographic image forming apparatus Grant 10,310,447 - Morishita , et al.	2019-06-04
Electrophotographic Member, Process Cartridge, And Electrophotographic Image Forming Apparatus App 20190018362 - Morishita; Hiroshi ; et al.	2019-01-17
Developing member having alumina particles exposed within protrusions Grant 9,952,531 - Ishii , et al. April 24, 2	2018-04-24
Developing Member, Process Cartridge, And Electrophotographic Image Forming Apparatus App 20170315469 - Ishii; Toru ; et al.	2017-11-02
Method for removing tiebars after molding of semiconductor chip App 20050230789 - Manabe, Hidekazu ; et al.	2005-10-20
Apparatus for removing tiebars after molding of semiconductor chip Grant 6,925,922 - Manabe , et al. August 9, 2	2005-08-09
Apparatus for removing tiebars after molding of semiconductor chip App 20030079734 - Manabe, Hidekazu ; et al.	2003-05-01

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