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Inventor

Takashi Yasuhara

Inventor
Yotsukaido, JP

Overview

37→
Patents
1982–2013
Patent span
Electricity
Primary field (CPC H)

Patents· 37 as inventor

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

H02Kprimary
H02KDynamo-electric machines29%
B60LPropulsion of electrically-propelled vehicles10%
Y02TClimate change mitigation technologies related to transportation10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
Y10TTechnical subjects covered by former us classification9%
B01DSeparation8%
C07CAcyclic or carbocyclic compounds8%
H01FMagnets5%
B22FWorking metallic powder1%
C08LCompositions of macromolecular compounds1%
PatentTitleYear
8,388,769'Powdered-iron magnet and rotating machine using the same'2013RE044037'Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine'20138,067,871'Permanent magnet rotating electric machine and electric car using the same'20117,914,695'Magnet using binding agent and method of manufacturing the same'20117,880,357'Sintered magnet and rotating machine equipped with the same'20117,800,271'Sintered magnet and rotating machine equipped with the same'20107,764,042'Inverter-driven rotating machine system, rotating machine and inverter used in the same and electric vehicle using the same'20107,659,651'Rotating electric machine, winding machine, and rotating electric machine system'20107,569,966'Rotating electrical machine and coil'20097,557,483'Rotating electrical machine and manufacturing method thereof'20097,521,832'Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine'20097,425,786'Permanent magnet type rotating electrical machine'20087,417,346'Permanent magnet rotating electric machine'20087,233,089'Permanent magnet rotating electric machine'20077,151,335'Permanent magnet rotating electric machine and electric car using the same'20067,148,597'Permanent magnet rotating electric machine'20066,998,752'Dynamo-electric machine'20066,935,012'Dynamo electric machine and method of manufacturing the same'20056,815,858'Permanent magnet rotating electric machine'20046,791,227'Dynamo electric machine and method of manufacturing the same'20046,700,282'Rotary electric machine and method for connecting stator conductors'20046,660,803'Method of preparing (perfluoroalkyl) ethyl acrylic esters and methods of preparing copolymers using said esters'20036,548,933'Stator of rotating electric machine'20036,515,394'Stacked coil assembly for a stator'20036,392,105'Process for production of fluoroalcohol'20025,629,461'Method of producing 1,1,2,2,3-pentafluoropropane'19975,185,483'Process for preparing pentafluorodichloropropanes'19935,171,897'Hexafluoroneopentyl alcohol, derivative thereof fluorine-containing polymer and its use'19925,116,544'Hexafluoroneopentyl alcohol, derivative thereof fluorine-containing polymer and its use'19925,100,544'Liquid separating apparatus'19924,942,205'Alpha-fluoroacrylic acid polymer and its use'19904,871,820'Alpha-fluoroacrylic acid polymer and its use'19894,832,712'Gas separating membrane'19894,810,766'Acryloxyorganosiloxane polymer'19894,684,705'Contact lens'19874,644,043'Fluorine-containing polymer for gas separating membrane'19874,353,002'Rotary electrical machine connected to high-temperature load'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2013Patents assigned to HITACHI LTD (23)· patent assignee history
1987–2003Patents assigned to DAIKIN IND LTD (12)· patent assignee history
1987–2002Based in Settsu, JP· patent location history
1992–2003Based in Osaka, JP· patent location history
1992Based in Toyonaka, JP· patent location history
2003–2005Patents assigned to HITACHI CAR ENG CO LTD (4)· patent assignee history
2003–2013Based in Yotsukaido, JP· patent location history
2006–2009Based in Tokyo, JP· patent location history
2011–2013Patents assigned to YASUHARA TAKASHI (3)· patent assignee history
2011–2013Patents assigned to HINO NORIAKI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD231982–2013
DAIKIN IND LTD121987–2003
HITACHI CAR ENG CO LTD42003–2005
YASUHARA TAKASHIself32011–2013
HINO NORIAKI22011–2013
Locations
LocationPatentsSpan
Yotsukaido, JP212003–2013
Settsu, JP101987–2002
Tokyo, JP22006–2009
Osaka, JP21992–2003
Toyonaka, JP11992