Inventor
ISHIDUKA YUKA
JP50 patents
⚠️ This page may combine multiple inventors who share the name “ISHIDUKA YUKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
46 patentsUS9069267B2Jun 30, 2015
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK58 citations98
US7910274B2Mar 22, 2011
Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK57 citations96
US10558132B2Feb 11, 2020
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK35 citations94
US10558133B2Feb 11, 2020
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK29 citations94
US9726992B2Aug 8, 2017
Electrophotographic photosensitive member, manufacturing method of electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK33 citations94
US9599917B2Mar 21, 2017
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK34 citations94
US9304416B2Apr 5, 2016
Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK29 citations94
US9063505B2Jun 23, 2015
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK56 citations94
US9029054B2May 12, 2015
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK57 citations94
US7001699B2Feb 21, 2006
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK45 citations92
US6994941B2Feb 7, 2006
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK46 citations92
US6991881B2Jan 31, 2006
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK45 citations92
US11392050B2Jul 19, 2022
Process cartridge and electrophotographic apparatus
CANON KK14 citations86
US11366402B2Jun 21, 2022
Process cartridge and electrophotographic apparatus using the same
CANON KK18 citations86
US11256186B2Feb 22, 2022
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK11 citations86
US11003102B2May 11, 2021
Electrophotographic image forming apparatus and process cartridge
CANON KK13 citations86
US10838315B2Nov 17, 2020
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK13 citations86
US10831118B2Nov 10, 2020
Electrophotographic photosensitive member and method for producing electrophotographic photosensitive member
CANON KK18 citations86
US10747131B2Aug 18, 2020
Electrophotographic photosensitive member and method for manufacturing the same as well as process cartridge and electrophotographic image-forming apparatus
CANON KK15 citations86
US10691033B2Jun 23, 2020
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK15 citations86
US10642177B2May 5, 2020
Process cartridge and image-forming apparatus
CANON KK14 citations86
US10539892B2Jan 21, 2020
Electrophotographic photosensitive member, process cartridge, and electrophotographic image-forming apparatus
CANON KK18 citations86
US11392074B2Jul 19, 2022
Electrophotographic photosensitive member having outer surface with first and second structure groups, the first structure group having a smaller appearance period and a lower height than the second structure group
CANON KK7 citations85
US10747130B2Aug 18, 2020
Process cartridge and electrophotographic apparatus
CANON KK16 citations85
US9684277B2Jun 20, 2017
Process cartridge and image-forming method
CANON KK19 citations84
US11782353B2Oct 10, 2023
Method for producing electrophotographic photosensitive member
CANON KK2 citations73
US9494880B2Nov 15, 2016
Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK3 citations73
US8940465B2Jan 27, 2015
Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound
CANON KK4 citations73
US10656542B2May 19, 2020
Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member
CANON KK1 citations62
US12045006B2Jul 23, 2024
Electrophotographic photosensitive member
CANON KK0 citations52
US9383663B2Jul 5, 2016
Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations52
US8993205B2Mar 31, 2015
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK1 citations52
US7009080B2Mar 7, 2006
Process for producing halogenated aromatic amine compound
CANON KK1 citations52
US9804512B2Oct 31, 2017
Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations51
US9778582B2Oct 3, 2017
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus incorporating an improved undercoat layer
CANON KK1 citations51
US9557664B2Jan 31, 2017
Electrophotographic photosensitive member, method for manufacturing the same, process cartridge, and electrophotographic apparatus
CANON KK0 citations51
US11703773B2Jul 18, 2023
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations46
US11619888B2Apr 4, 2023
Electrophotographic image forming apparatus and process cartridge
CANON KK0 citations46
US9012112B2Apr 21, 2015
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations42
US10114301B2Oct 30, 2018
Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus
CANON KK0 citations41
US9817326B2Nov 14, 2017
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations41
US9811008B2Nov 7, 2017
Image forming method, process cartridge, and electrophotographic apparatus
CANON KK0 citations41
US9581920B2Feb 28, 2017
Coating film-removing method for cylindrical substrate and manufacturing method for electrophotographic photosensitive member
CANON KK0 citations41
US9411252B2Aug 9, 2016
Electrophotographic photosensitive member, method of producing the same, process cartridge, and electrophotographic apparatus
CANON KK0 citations41
US9335646B2May 10, 2016
Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations41
US9291922B2Mar 22, 2016
Method for producing electrophotographic photosensitive member
CANON KK0 citations41
TANAKA MASATO
3 patentsUS8088541B2Jan 3, 2012
Polyvinyl acetal resin, electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
TANAKA MASATO52 citations94
US8481236B2Jul 9, 2013
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
TANAKA MASATO23 citations92
US8865381B2Oct 21, 2014
Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
TANAKA MASATO18 citations84