Inventor
Yuji Nakahara
Inventor
Tokyo, JP
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines52%
Y10TTechnical subjects covered by former us classification21%
H01FMagnets5%
H01RElectrically-conductive connections5%
B22FWorking metallic powder3%
B23KSoldering or unsoldering2%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables2%
B66BElevators2%
B66DCapstans2%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof2%
PatentTitleYear
9,960,644Core for rotary electric machine20189,136,735'Rotary electric machine laminated core'20158,683,675'Method for fabricating molded stator of rotary electric machine'20148,015,691'Apparatus for manufacturing laminated core block'20117,960,890'Laminated core, method and apparatus for manufacturing laminated core, and stator'20117,551,051'Ring magnet and method of manufacturing the magnet'20097,524,453'Apparatus for manufacturing ring-shaped powder compact and method of manufacturing sintered ring magnet'20097,347,681'Permanent magnet molding apparatus'20087,199,492'Armature of linear motor'20077,185,418'Stacked stator core and method of manufacturing thereof, and rotary motor and method of manufacturing thereof'20077,073,639'Rotational machine'20067,019,433'Armature of rotating electric machine'20066,879,066'Linear motor'20056,784,587'Stacked stator core and method of manufacturing thereof, and rotary motor and method of manufacturing thereof'20046,759,785'Stacked stator core and method of manufacturing thereof, and rotary motor and method of manufacturing thereof'20046,747,376'Linear motor'20046,715,199'Method of manufacturing dynamo-electric machine with laminated winding'20046,710,501'Stator for a dynamo-electric machine and method for the manufacture thereof'20046,659,385'Wire-winding machine and a wire-winding method for making windings of a rotary electromechanical device'20036,649,844'Coil conductor for dynamoelectric machine'20036,646,535'Magnetic core'20036,600,244'Electric motor'20036,538,548'Method for producing an iron core assembly'20036,488,259'Valve device'20026,476,533'Stator for starter motor'20026,369,687'Iron core assembly and method for producing the same'20026,362,553'Rotary motor and production method thereof, and laminated core production method thereof'20026,323,571'Rotary motor and production method thereof, and laminated core and production method thereof'20016,225,724'Motor and motor rotor having embedded permanent magnets'20016,218,755'Dynamo-electric machine and method of manufacture therefor'20016,181,046'Dynamo-electric machine with commutator assembly'20016,167,610'Method of making a rotary motor'20016,121,711'Rotary motor and production method thereof, and laminated core and production method thereof'20006,078,467'Magnetic recording apparatus having medium driving motor with reduced thickness utilizing press working, press forming or the like'20006,057,626'Commutator for a dynamo-electric machine and method of manufacture therefor'20005,859,486'Rotary motor and production method thereof, and laminated core and production method thereof'19995,453,658'Deflection yoke'19955,350,960'Electric motor with bobbin columns to prevent bulging coils'19945,256,856'Welding method for aluminum alloys'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Based in Kainan, JP· patent location history
1994–2018Patents assigned to MITSUBISHI ELECTRIC CORP (36)· patent assignee history
1994–2015Based in Tokyo, JP· patent location history
1995Based in Amagasaki, JP· patent location history
1999–2002Based in Hyogo, JP· patent location history
2003–2018Based in Chiyoda-ku, JP· patent location history
2014–2015Patents assigned to NAKAHARA YUJI (2)· patent assignee history
2014Patents assigned to AOMI TAKENORI (1)· patent assignee history
2014Patents assigned to HASEGAWA HARUYUKI (1)· patent assignee history
2015Patents assigned to AKITA HIROYUKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 36 | 1994–2018 |
| NAKAHARA YUJIself | 2 | 2014–2015 |
| AKITA HIROYUKI | 1 | 2015 |
| AOMI TAKENORI | 1 | 2014 |
| HASEGAWA HARUYUKI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 30 | 1994–2015 |
| Hyogo, JP | 5 | 1999–2002 |
| Chiyoda-ku, JP | 2 | 2003–2018 |
| Amagasaki, JP | 1 | 1995 |
| Kainan, JP | 1 | 1993 |