Inventor
SEKIDO KUNIHIKO
JP60 patents
⚠️ This page may combine multiple inventors who share the name “SEKIDO KUNIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
45 patentsUS9069267B2Jun 30, 2015
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK58 citations98
US10372050B2Aug 6, 2019
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK23 citations94
US9280072B2Mar 8, 2016
Process for producing electrophotographic photosensitive member
CANON KK32 citations94
US9207550B2Dec 8, 2015
Process for producing electrophotographic photosensitive member
CANON KK35 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
US8343699B2Jan 1, 2013
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK35 citations94
US5604061AFeb 18, 1997
Electrophotographic photosensitive member, process cartridge including same and electrophotographic apparatus
CANON KK23 citations93
US7141341B2Nov 28, 2006
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK25 citations92
US6228546B1May 8, 2001
Polymer, electrophotographic photosensitive member containing the polymer, process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member
CANON KK29 citations92
US5875375AFeb 23, 1999
Electrophotographic apparatus and process cartridge
CANON KK22 citations92
US9921498B2Mar 20, 2018
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK14 citations84
US9864285B2Jan 9, 2018
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK14 citations84
US9851648B2Dec 26, 2017
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK16 citations84
US9811011B2Nov 7, 2017
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK14 citations84
US9772568B2Sep 26, 2017
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK14 citations84
US9760030B2Sep 12, 2017
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK14 citations84
US9477163B2Oct 25, 2016
Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound
CANON KK9 citations84
US9442401B2Sep 13, 2016
Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound
CANON KK10 citations84
US9335645B2May 10, 2016
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK11 citations84
US7396622B2Jul 8, 2008
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK9 citations84
US7745083B2Jun 29, 2010
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK7 citations74
US7592113B2Sep 22, 2009
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK7 citations74
US11822286B2Nov 21, 2023
Process cartridge and electrophotographic apparatus
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
US7727691B2Jun 1, 2010
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK4 citations63
US7534537B2May 19, 2009
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK4 citations63
US7129012B2Oct 31, 2006
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK7 citations63
US12111612B2Oct 8, 2024
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK0 citations62
US11960240B2Apr 16, 2024
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations62
US11726414B2Aug 15, 2023
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK0 citations62
US10948838B2Mar 16, 2021
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
CANON KK0 citations62
US10656542B2May 19, 2020
Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member
CANON KK1 citations62
US12529971B2Jan 20, 2026
Process cartridge
CANON KK0 citations52
US12449740B2Oct 21, 2025
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations52
US12429788B2Sep 30, 2025
Process cartridge
CANON KK0 citations52
US12393130B2Aug 19, 2025
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations52
US11061341B2Jul 13, 2021
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations52
US10754267B2Aug 25, 2020
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK0 citations52
US10095136B2Oct 9, 2018
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
CANON KK1 citations52
US10065969B2Sep 4, 2018
Method for producing carboxylic acid anhydride, method for producing carboxylic imide, and method for manufacturing electrophotographic photosensitive member
CANON KK1 citations52
US9500967B2Nov 22, 2016
Electrophotographic photosensitive member, method for producing the same, process cartridge, and electrophotographic apparatus
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
SEKIDO KUNIHIKO
3 patentsUS8795936B2Aug 5, 2014
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
SEKIDO KUNIHIKO33 citations93
US8632931B2Jan 21, 2014
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
SEKIDO KUNIHIKO38 citations93
US8465889B2Jun 18, 2013
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
SEKIDO KUNIHIKO34 citations92
MARUYAMA AKIHIRO
1 patentTAKAGI SHINJI
1 patentShowing the top 50 of 60 patents by PatentIndex Score.