P

Inventor

YAMAGUCHI SOSUKE

JP21 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI SOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

16 patents
US10649350B2May 12, 2020

Electrophotographic member, process cartridge and electrophotographic apparatus

CANON KK24 citations94
US10108129B2Oct 23, 2018

Member for electrophotography and method of producing the member, process cartridge, and electrophotographic apparatus

CANON KK35 citations94
US10018934B2Jul 10, 2018

Electrophotographic member, process cartridge, and electrophotographic apparatus

CANON KK35 citations94
US9977353B2May 22, 2018

Electrophotographic member, process cartridge and electrophotographic image forming apparatus

CANON KK35 citations94
US9964914B2May 8, 2018

Electrophotographic member, process cartridge, and electrophotographic apparatus

CANON KK36 citations94
US9811009B2Nov 7, 2017

Electrophotographic member, process cartridge and electrophotographic apparatus

CANON KK39 citations94
US9639009B2May 2, 2017

Electrophotographic member, process cartridge, and electrophotographic apparatus

CANON KK44 citations94
US9581931B2Feb 28, 2017

Electrophotographic member, process cartridge, and electrophotographic apparatus

CANON KK46 citations94
US10571825B1Feb 25, 2020

Electrophotographic member, electrophotographic process cartridge and electrophotographic image forming apparatus

CANON KK7 citations84
US10197930B2Feb 5, 2019

Electrophotographic member, process cartridge, and electrophotographic apparatus

CANON KK13 citations80
US11675282B2Jun 13, 2023

Electrophotographic member, process cartridge and electrophotographic apparatus

CANON KK2 citations73
US11465383B2Oct 11, 2022

Electrophotographic member, electrophotographic process cartridge and electrophotographic image forming apparatus

CANON KK2 citations73
US10831125B2Nov 10, 2020

Developer carrying member, process cartridge, and electrophotographic apparatus

CANON KK2 citations72
US11029622B2Jun 8, 2021

Developer carrying member, process cartridge, and electrophotographic apparatus

CANON KK1 citations61
US9691517B2Jun 27, 2017

Hydroxy compound, ion conducting agent, and electroconductive resin composition

CANON KK0 citations42
US9971276B2May 15, 2018

Developing member, method of producing developing member, process cartridge, and electrophotographic apparatus

CANON KK0 citations40

TAIHO KOGYO CO LTD

2 patents

DUPONT TORAY SPECIALTY MATERIALS KK

2 patents

NISHIDE HIROYUKI

1 patent