Inventor

OKAWA KENSUKE

JP13 patents

⚠️ This page may combine multiple inventors who share the name “OKAWA KENSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KYOCERA DOCUMENT SOLUTIONS INC

11 patents

US9964869B2May 8, 2018

Triarylamine derivative, electrophotographic photosensitive member, and method for producing electrophotographic photosensitive member

KYOCERA DOCUMENT SOLUTIONS INC0 citations51

US9939744B2Apr 10, 2018

Multi-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC0 citations39

US9448496B2Sep 20, 2016

Electrophotographic photosensitive member

KYOCERA DOCUMENT SOLUTIONS INC0 citations39

US9436104B2Sep 6, 2016

Electrophotographic photosensitive member and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC0 citations39

US10379451B2Aug 13, 2019

Polyarylate resin and electrophotographic photosensitive member

KYOCERA DOCUMENT SOLUTIONS INC0 citations38

US10761439B2Sep 1, 2020

Polyarylate resin and electrophotographic photosensitive member

KYOCERA DOCUMENT SOLUTIONS INC0 citations37

US10031431B2Jul 24, 2018

Electrophotographic photosensitive member

KYOCERA DOCUMENT SOLUTIONS INC0 citations37

US10871723B2Dec 22, 2020

Electrophotographic photosensitive member and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC0 citations36

AZUMA JUN

1 patent

US8660459B2Feb 25, 2014

Drum unit having side seals and image-forming apparatus including the same

AZUMA JUN4 citations66

SHISHIDO MAKOTO

1 patent

US9625839B2Apr 18, 2017

Multilayer electrophotographic photoconductor and image-forming apparatus

SHISHIDO MAKOTO0 citations35