Inventor
YOSHIKAWA HITOSHI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIKAWA HITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKAI RUBBER IND LTD
11 patentsUS9253878B2Feb 2, 2016
Conductive composition and conductive film
TOKAI RUBBER IND LTD10 citations84
US7144525B2Dec 5, 2006
Elastic member of semiconductive polymer and OA equipment using the same
TOKAI RUBBER IND LTD15 citations83
US6491613B2Dec 10, 2002
Roller for office automation equipment
TOKAI RUBBER IND LTD15 citations83
US6142922ANov 7, 2000
Conductive roller
TOKAI RUBBER IND LTD19 citations81
US6146320ANov 14, 2000
Conductive roll
TOKAI RUBBER IND LTD11 citations72
US6734274B2May 11, 2004
Urethane composition for sheet transport roll, and sheet transport roll produced by employing the urethane composition
TOKAI RUBBER IND LTD9 citations71
US5993366ANov 30, 1999
Low hardness conductive roll
TOKAI RUBBER IND LTD14 citations70
US9504151B2Nov 22, 2016
Conductive composition and conductive film
TOKAI RUBBER IND LTD2 citations62
US7309456B2Dec 18, 2007
Electrically conductive polymer, semiconductive composition using the same and semiconductive member for electrophotographic equipment
TOKAI RUBBER IND LTD3 citations59
US6783701B2Aug 31, 2004
Electrically conductive foam component
TOKAI RUBBER IND LTD0 citations51
US9212263B2Dec 15, 2015
Reactive ionic liquid, and ion-immobilized metal oxide particle, ion-immobilized elastomer, and transducer using same
TOKAI RUBBER IND LTD0 citations48
SUMITOMO RIKO CO LTD
5 patentsUS8958581B2Feb 17, 2015
Polymer speaker
SUMITOMO RIKO CO LTD1 citations51
US10035897B2Jul 31, 2018
Dielectric film, process for producing same, and transducer using same
SUMITOMO RIKO CO LTD1 citations50
US9954162B2Apr 24, 2018
Reactive ionic liquid, and ion-immobilized metal oxide particle, ion-immobilized elastomer, and transducer using same
SUMITOMO RIKO CO LTD0 citations48
US9550865B2Jan 24, 2017
Reactive ionic liquid, and ion-immobilized metal oxide particle, ion-immobilized elastomer, and transducer using same
SUMITOMO RIKO CO LTD0 citations48
US9903738B2Feb 27, 2018
Conductive material, method for producing the conductive material, and transducer including the conductive material
SUMITOMO RIKO CO LTD0 citations45
PANASONIC ECO SYS GUANGDONG CO
3 patentsUS8956113B2Feb 17, 2015
Ceiling mounted ventilation fan with illumination
PANASONIC ECO SYS GUANGDONG CO5 citations81
US10371409B2Aug 6, 2019
Ceiling mounted ventilation fan with illumination
PANASONIC ECO SYS GUANGDONG CO2 citations70
US9841181B2Dec 12, 2017
Ceiling mounted ventilation fan with illumination
PANASONIC ECO SYS GUANGDONG CO0 citations49