Inventor

IWASHITA YUKO

JP14 patents

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

KYOCERA DOCUMENT SOLUTIONS INC

9 patents

US11003101B2May 11, 2021

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC0 citations61

US12468255B2Nov 11, 2025

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC0 citations50

US9213229B2Dec 15, 2015

Positively chargeable electrophotographic photosensitive member and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC1 citations49

US9158264B2Oct 13, 2015

Electrophotographic photosensitive member and image forming apparatus including electrophotographic photosensitive member

KYOCERA DOCUMENT SOLUTIONS INC1 citations47

US10802411B2Oct 13, 2020

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC0 citations40

US10635008B2Apr 28, 2020

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC0 citations40

US10539889B2Jan 21, 2020

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC0 citations40

US9760029B2Sep 12, 2017

Electrophotographic photosensitive member, image forming apparatus, and process cartridge

KYOCERA DOCUMENT SOLUTIONS INC0 citations40

US9696641B2Jul 4, 2017

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

KYOCERA DOCUMENT SOLUTIONS INC0 citations40

KYOCERA MITA CORP

3 patents

US7838191B2Nov 23, 2010

Electrophotographic photoconductor having titanyl phthalocyanine and image forming apparatus

KYOCERA MITA CORP4 citations61

US7754402B2Jul 13, 2010

Electrophotographic photoconductive member and image forming apparatus

KYOCERA MITA CORP1 citations47

US7844201B2Nov 30, 2010

Color image forming apparatus and color image forming method

KYOCERA MITA CORP0 citations40

HAMASAKI KAZUNARI

2 patents

US8642236B2Feb 4, 2014

Electro photographic photoconductor and color image forming apparatus

HAMASAKI KAZUNARI0 citations34

US9141007B2Sep 22, 2015

Monolayer type photoconductor and image forming device

HAMASAKI KAZUNARI0 citations31