Inventor

Hitoshi Yoshikawa

Inventor

Komaki, JP

Overview

30→

Patents

1994–2019

Patent span

Chemistry

Primary field (CPC C)

Patents· 30 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Kprimary

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%

C08LCompositions of macromolecular compounds8%

H10NElectric solid-state devices not otherwise provided for6%

F04DNon-positive-displacement pumps5%

F21VFunctional features or details of lighting devices or systems thereof5%

F24FAir-conditioning5%

H01BCables5%

Y10TTechnical subjects covered by former us classification5%

G03GElectrography4%

H01LSemiconductor devices4%

PatentTitleYear

10,371,409Ceiling mounted ventilation fan with illumination2019 10,035,897Dielectric film, process for producing same, and transducer using same2018 9,954,162Reactive ionic liquid, and ion-immobilized metal oxide particle, ion-immobilized elastomer, and transducer using same2018 9,903,738'Conductive material, method for producing the conductive material, and transducer including the conductive material'2018 9,841,181'Ceiling mounted ventilation fan with illumination'2017 9,550,865'Reactive ionic liquid, and ion-immobilized metal oxide particle, ion-immobilized elastomer, and transducer using same'2017 9,504,151'Conductive composition and conductive film'2016 9,476,608'Ceiling mounted ventilation fan with illumination'2016 9,253,878'Conductive composition and conductive film'2016 9,212,263'Reactive ionic liquid, and ion-immobilized metal oxide particle, ion-immobilized elastomer, and transducer using same'2015 9,136,035'Flexible conductive material and transducer, flexible wiring board, and electromagnetic shield using the same'2015 9,051,446'Conductive crosslinked body and production process thereof, and transducer, flexible wiring board and electromagnetic wave shield using the conductive crosslinked body'2015 8,958,581'Polymer speaker'2015 8,956,113'Ceiling mounted ventilation fan with illumination'2015 8,814,513'Ceiling mounted ventilation fan with illumination'2014 8,446,075'Conductive film, and transducer and flexible wiring board using the same'2013 8,240,997'Centrifugal impeller and centrifugal blower using the centrifugal impeller'2012 D0561324'Centrifugal blower fan'2008 D0561325'Centrifugal blower fan'2008 7,309,456'Electrically conductive polymer, semiconductive composition using the same and semiconductive member for electrophotographic equipment'2007 7,237,319'Method of manufacturing a plane coil'2007 7,144,525'Elastic member of semiconductive polymer and OA equipment using the same'2006 6,783,701'Electrically conductive foam component'2004 6,734,274'Urethane composition for sheet transport roll, and sheet transport roll produced by employing the urethane composition'2004 6,491,613'Roller for office automation equipment'2002 6,146,320'Conductive roll'2000 6,142,922'Conductive roller'2000 5,993,366'Low hardness conductive roll'1999 5,934,783'Ventilating fan/light combination'1999 5,299,955'Battery terminal mounting means for a portable electrical device'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2016Patents assigned to TOKAI RUBBER IND LTD (12)· patent assignee history

1999–2017Based in Komaki, JP· patent location history

2002–2018Based in Aichi, JP· patent location history

2007Based in Nagano, JP· patent location history

2008Based in Kasugai, JP· patent location history

2012–2019Patents assigned to PANASONIC CORP (6)· patent assignee history

2012–2016Patents assigned to YOSHIKAWA HITOSHI (6)· patent assignee history

2012–2019Based in Gifu, JP· patent location history

2014–2019Patents assigned to PANASONIC ECO SYS GUANGDONG CO (5)· patent assignee history

2015–2018Patents assigned to SUMITOMO RIKO CO LTD (10)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOKAI RUBBER IND LTD	12	1999–2016
SUMITOMO RIKO CO LTD	10	2015–2018
PANASONIC CORP	6	2012–2019
YOSHIKAWA HITOSHIself	6	2012–2016
PANASONIC ECO SYS GUANGDONG CO	5	2014–2019

Locations

Location	Patents	Span
Komaki, JP	11	1999–2017
Aichi, JP	8	2002–2018
Gifu, JP	6	2012–2019
Kasugai, JP	2	2008
Nagano, JP	1	2007