Nagao; Yuka

Patent Applications and Registrations

Patent applications and USPTO patent grants for Nagao; Yuka.The latest application filed is for "positive charging electrophotographic photoreceptor, electrophotographic cartridge and image forming apparatus".

Company Profile

3.12.12

Nagao; Yuka - Tokyo JP
Nagao; Yuka - Kanagawa JP
Nagao; Yuka - Odawara-shi JP
Nagao; Yuka - Yokohama N/A JP
NAGAO; Yuka - Yokohama-shi 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
Positive charging electrophotographic photoreceptor, electrophotographic cartridge and image forming apparatus Grant 11,287,756 - Nagao March 29, 2	2022-03-29
Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image forming apparatus Grant 10,599,057 - Fujii , et al.	2020-03-24
Positive Charging Electrophotographic Photoreceptor, Electrophotographic Cartridge And Image Forming Apparatus App 20190384189 - NAGAO; Yuka	2019-12-19
Electrophotographic Photoreceptor, Electrophotographic Photoreceptor Cartridge And Image Forming Apparatus App 20190219937 - FUJII; Akiteru ; et al.	2019-07-18
Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, image forming apparatus, and polyarylate resin Grant 10,185,237 - Fujii , et al. Ja	2019-01-22
Electrophotographic photoreceptor, electrophotographic cartridge, image forming apparatus, and charge transport substance Grant 9,791,791 - Mizushima , et al. October 17, 2	2017-10-17
Electrophotographic Photoreceptor, Electrophotographic Cartridge, Image Forming Apparatus, And Charge Transport Substance App 20160320717 - MIZUSHIMA; Tadashi ; et al.	2016-11-03
Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming apparatus Grant 9,400,438 - Fujii , et al. July 26, 2	2016-07-26
Electrophotographic Photoreceptor, Electrophotographic Photoreceptor Cartridge, Image Forming Apparatus, And Polyarylate Resin App 20160124327 - FUJII; Akiteru ; et al.	2016-05-05
Electrophotographic Photoreceptor, Electrophotographic Photoreceptor Cartridge, And Image Formation Device App 20160018746 - Nagao; Yuka ; et al.	2016-01-21
Electrophotographic Photoreceptor, Electrophotographic Photoreceptor Cartridge, And Image Forming Apparatus App 20150212436 - FUJII; Akiteru ; et al.	2015-07-30
Electrophotographic Photoreceptor, Electrophotographic Photoreceptor Cartridge, And Image Forming Apparatus App 20150050589 - FUJII; Akiteru ; et al.	2015-02-19
Electrophotographic photoreceptor and image-forming apparatus Grant 8,609,309 - Nagao , et al. December 17, 2	2013-12-17
Electrophotographic photoreceptors, electrophotographic photoreceptor cartridge, and image-forming apparatus Grant 8,481,238 - Zhao , et al. July 9, 2	2013-07-09
Electrophotographic photoreceptor and image-forming apparatus Grant 8,288,066 - Nagao , et al. October 16, 2	2012-10-16
Electrophotographic photoreceptor, and image forming device and electrophotographic photoreceptor cartridge using the same member cartridge Grant 8,273,509 - Nagao , et al. September 25, 2	2012-09-25
Electrophotographic Photoreceptor And Image-forming Apparatus App 20110033792 - NAGAO; Yuka ; et al.	2011-02-10
Electrophotographic Photoreceptors, Electrophotographic Photoreceptor Cartridge, And Image-forming Apparatus App 20100183332 - Zhao; Rui ; et al.	2010-07-22
Electrophotographic Photosensitive Member, Image Forming Device Using Same, And Electrophotographic Photosensitive Member Cartridge App 20090232551 - Nagao; Yuka ; et al.	2009-09-17
Electrophotographic Photoreceptor and Image-Forming Apparatus App 20080193867 - Nagao; Yuka ; et al.	2008-08-14
Electrophotographic photoreceptor App 20060134541 - Fujii; Akiteru ; et al.	2006-06-22
Dihydroxysilicon compound and electrophotographic photoreceptor containing the compound Grant 6,057,071 - Ohashi , et al. May 2, 2	2000-05-02

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