P

Inventor

MARUI TAKASHI

JP12 patents
⚠️ This page may combine multiple inventors who share the name “MARUI TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO RUBBER IND

7 patents
US9639025B2May 2, 2017

Semiconductive roller

SUMITOMO RUBBER IND2 citations72
US9064617B2Jun 23, 2015

Electrically conductive rubber composition, developing roller, and image forming apparatus

SUMITOMO RUBBER IND3 citations61
US8023869B2Sep 20, 2011

Conductive roller which is mounted on an image-forming mechanism of an electrophotographic apparatus

SUMITOMO RUBBER IND2 citations61
US9465315B2Oct 11, 2016

Semiconductive roller

SUMITOMO RUBBER IND1 citations51
US9443637B2Sep 13, 2016

Semiconductive roller

SUMITOMO RUBBER IND1 citations51
US8983347B2Mar 17, 2015

Developing roller

SUMITOMO RUBBER IND1 citations50
US10199134B2Feb 5, 2019

Electrically conductive rubber composition, and developing roller

SUMITOMO RUBBER IND0 citations40

MIZUMOTO YOSHIHISA

2 patents
US9011306B2Apr 21, 2015

Semiconductive roller

MIZUMOTO YOSHIHISA7 citations81
US8744324B2Jun 3, 2014

Semiconductive roller, toner transport roller and electrophotographic apparatus

MIZUMOTO YOSHIHISA2 citations60

MARUI TAKASHI

2 patents
US8211000B2Jul 3, 2012

Conductive roller

MARUI TAKASHI9 citations80
US8277692B2Oct 2, 2012

Semiconductive rubber composition and semiconductive rubber roller employing the same

MARUI TAKASHI5 citations59

TAJIMA KEI

1 patent
US8882646B2Nov 11, 2014

Semiconductive roller, charging roller and electrophotographic apparatus

TAJIMA KEI3 citations53