P

Inventor

HATTORI TAKAYUKI

JP81 patents
⚠️ This page may combine multiple inventors who share the name “HATTORI TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO RUBBER IND

20 patents
US8022136B2Sep 20, 2011

Vulcanized rubber composition, pneumatic tire and the process of producing the same

SUMITOMO RUBBER IND45 citations94
US7919553B2Apr 5, 2011

Rubber composition for base tread and tire

SUMITOMO RUBBER IND26 citations93
US7371791B2May 13, 2008

Rubber composition and pneumatic tire using the same

SUMITOMO RUBBER IND35 citations92
US7141183B2Nov 28, 2006

Conductive elastomer composition and method of producing same

SUMITOMO RUBBER IND38 citations92
US8044118B2Oct 25, 2011

Preparation process of oil extended rubber for tire, oil extended rubber for tire, and rubber composition and tire using the same

SUMITOMO RUBBER IND28 citations89
US8022121B2Sep 20, 2011

Rubber composition for studless tire and studless tire

SUMITOMO RUBBER IND13 citations84
US7291663B2Nov 6, 2007

Conductive elastomer composition, conductive roller, and conductive belt

SUMITOMO RUBBER IND16 citations84
US7932318B2Apr 26, 2011

Conductive roller composition of chloroprene rubber, epichlorohydrin-ethylene oxide copolymer and thiourea

SUMITOMO RUBBER IND11 citations83
US7641973B2Jan 5, 2010

Conductive member for image-forming apparatus

SUMITOMO RUBBER IND9 citations82
US7144621B2Dec 5, 2006

Method of manufacturing laminated seamless belt and laminated seamless belt

SUMITOMO RUBBER IND8 citations74
US7098264B2Aug 29, 2006

Conductive elastomer composition, conductive member using conductive elastomer composition, image-forming apparatus having conductive member

SUMITOMO RUBBER IND8 citations74
US7172543B2Feb 6, 2007

Conductive roller

SUMITOMO RUBBER IND9 citations73
US6793611B2Sep 21, 2004

Paper feeding roller

SUMITOMO RUBBER IND6 citations73
US6602957B2Aug 5, 2003

Thermoplastic elastomer composition and rubber roller composed thereof

SUMITOMO RUBBER IND10 citations73
US6476140B2Nov 5, 2002

Thermoplastic elastomer composition and rubber roller composed thereof

SUMITOMO RUBBER IND11 citations73
US10414906B2Sep 17, 2019

Rubber composition and pneumatic tire

SUMITOMO RUBBER IND3 citations71
US9663445B2May 30, 2017

Synthesis system, rubber chemical substance for tires, synthetic rubber for tires, and pneumatic tire

SUMITOMO RUBBER IND2 citations71
US7172544B2Feb 6, 2007

Conductive roller and image-forming apparatus having conductive roller

SUMITOMO RUBBER IND8 citations69
US7220796B2May 22, 2007

Conductive elastomer composition, conductive member using conductive elastomer composition, image-forming apparatus having conductive member

SUMITOMO RUBBER IND4 citations63
US7153897B2Dec 26, 2006

Flame-retardant seamless belt, method of manufacturing flame-retardant seamless belt, and image-forming apparatus having flame-retardant seamless belt

SUMITOMO RUBBER IND5 citations63

HATTORI TAKAYUKI

13 patents

SANYO ELECTRIC CO

4 patents

MITSUBISHI ELECTRIC CORP

2 patents

PANASONIC IP MAN CO LTD

2 patents

CHISSO CORP

1 patent

TOSHIBA KK

1 patent

DENSO CORP

1 patent

ISOBE YUKIO

1 patent

KOJIMA RYOJI

1 patent

YOKOYAMA YOSHINORI

1 patent

SAKAKI TOSHIAKI

1 patent

TAIYO YUDEN KK

1 patent

BOSCH GMBH ROBERT

1 patent

Showing the top 50 of 81 patents by PatentIndex Score.