Inventor
TAGAMI KEI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “TAGAMI KEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
20 patentsUS9921498B2Mar 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
US11500129B2Nov 15, 2022
Optical element, material, optical apparatus and compound
CANON KK2 citations72
US10854821B2Dec 1, 2020
Organic light emitting device
CANON KK2 citations72
US10032987B2Jul 24, 2018
Organic light emitting element
CANON KK5 citations72
US11139435B2Oct 5, 2021
Organic light emitting element
CANON KK0 citations62
US9472766B2Oct 18, 2016
Fused polycyclic compound and organic light emitting element including the same
CANON KK2 citations62
US10065969B2Sep 4, 2018
Method for producing carboxylic acid anhydride, method for producing carboxylic imide, and method for manufacturing electrophotographic photosensitive member
CANON KK1 citations52
US12529822B2Jan 20, 2026
Optical element, optical apparatus, imaging apparatus, and compound
CANON KK0 citations51
US12479976B2Nov 25, 2025
Cured product, optical element, optical apparatus, and imaging apparatus
CANON KK0 citations51
US12066593B2Aug 20, 2024
(Meth)acrylate compound
CANON KK0 citations51
US12146011B2Nov 19, 2024
Cured product, optical element, optical apparatus, and image pickup apparatus
CANON KK0 citations45
US9751880B2Sep 5, 2017
Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound
CANON KK0 citations42