P

Inventor

NAKATA KOICHI

JP74 patents
⚠️ This page may combine multiple inventors who share the name “NAKATA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

22 patents
US7226711B2Jun 5, 2007

Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

CANON KK50 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
US9740117B2Aug 22, 2017

Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and condensed polycyclic aromatic compound

CANON KK21 citations94
US9594318B2Mar 14, 2017

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

CANON KK26 citations94
US9389523B2Jul 12, 2016

Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge each including the electrophotographic photosensitive member

CANON KK20 citations92
US9316931B2Apr 19, 2016

Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and condensed polycyclic aromatic compound

CANON KK22 citations92
US7534534B2May 19, 2009

Electrophotographic Photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

CANON KK36 citations92
US7186489B2Mar 6, 2007

Electrophotographic photosensitive member, electrophotographic photosensitive member manufacturing process, process cartridge, and electrophotographic apparatus

CANON KK48 citations92
US10831118B2Nov 10, 2020

Electrophotographic photosensitive member and method for producing electrophotographic photosensitive member

CANON KK18 citations86
US10310395B2Jun 4, 2019

Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge

CANON KK18 citations86
US10120331B2Nov 6, 2018

Electrophotographic photosensitive member, process for producing electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge including electrophotographic photosensitive member

CANON KK18 citations86
US10042272B2Aug 7, 2018

Electrophotographic photosensitive member, method for producing the same, process cartridge and electrophotographic apparatus

CANON KK19 citations86
US10768539B2Sep 8, 2020

Electrophotographic photosensitive member, production method therefor, process cartridge, and electrophotographic image-forming apparatus

CANON KK7 citations84
US10761442B2Sep 1, 2020

Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of producing electrophotographic photosensitive member

CANON KK9 citations84
US10670979B2Jun 2, 2020

Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of manufacturing electrophotographic photosensitive member

CANON KK8 citations84
US10488771B2Nov 26, 2019

Electrophotographic photosensitive member, method for producing the same, process cartridge, and electrophotographic apparatus

CANON KK10 citations84
US10488769B2Nov 26, 2019

Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge each including the electrophotographic photosensitive member

CANON KK10 citations84
US10451984B2Oct 22, 2019

Production method of electrophotographic photosensitive member, electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

CANON KK10 citations84
US11029616B2Jun 8, 2021

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

CANON KK4 citations73
US9946175B2Apr 17, 2018

Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and condensed polycyclic aromatic compound

CANON KK4 citations73
US11204560B2Dec 21, 2021

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

CANON KK6 citations72

OLYMPUS OPTICAL CO

8 patents

TOYOTA MOTOR CO LTD

7 patents

OLYMPUS CORP

6 patents

ALPINE ELECTRONICS INC

2 patents

NONAKA OSAMU

1 patent

KUNISHIGE KEIJI

1 patent

OLYMPUS IMAGING CORP

1 patent

NAKATA KOICHI

1 patent

HIJII TAKUMI

1 patent

Showing the top 50 of 74 patents by PatentIndex Score.