Inventor
Yukio Nakashima
Inventor
Tokyo, JP
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems21%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%
H05KPrinted circuits7%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
Y02PClimate change mitigation technologies in the production or processing of goods4%
B60LPropulsion of electrically-propelled vehicles3%
B61CLocomotives3%
PatentTitleYear
11,128,235Power conversion device202110,873,268Main circuit wiring member and power conversion device202010,770,985Vehicle auxiliary power supply device202010,727,729Power converter202010,554,123Power converter with a parallel flat plate conductor electrically connected with a capacitor and a power module202010,411,589Power conversion apparatus and power semiconductor module201910,312,227Power semiconductor module201910,312,904Power converter201910,243,483Power conversion device201910,202,130Cooling device for railroad vehicle20199,893,610'Power unit and power conversion apparatus'20189,863,302'Cooling device for under-floor device for vehicle'20189,712,044'Power converter'20179,654,026'Three-level power converting apparatus with reduced conduction loss'20179,505,309'Electric vehicle control device and brake controlling method for electric vehicle'20169,299,628'Power semiconductor module'20169,281,760'Power module and three-level power converter using the same'20169,270,199'Power conversion apparatus with a laminated bus bar comprising an exposed heat radiating portion'20165,262,695'Micromachine'19934,843,451'Photovoltaic device with O and N doping'19894,781,765'Photovoltaic device'19884,776,894'Photovoltaic device'19884,755,483'Method for producing semiconductor device with p-type amorphous silicon carbide semiconductor film formed by photo-chemical vapor deposition'19884,719,123'Method for fabricating periodically multilayered film'19884,705,912'Photovoltaic device'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1993Patents assigned to SANYO ELECTRIC CO (7)· patent assignee history
1987–1993Based in Hirakata, JP· patent location history
1988Based in Osaka, JP· patent location history
2016–2021Patents assigned to MITSUBISHI ELECTRIC CORP (18)· patent assignee history
2016–2018Patents assigned to NAKASHIMA YUKIO (6)· patent assignee history
2016Patents assigned to KOBAYASHI TOMOHIRO (3)· patent assignee history
2016–2017Patents assigned to MIKI TAKAYOSHI (2)· patent assignee history
2016–2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 18 | 2016–2021 |
| SANYO ELECTRIC CO | 7 | 1987–1993 |
| NAKASHIMA YUKIOself | 6 | 2016–2018 |
| KOBAYASHI TOMOHIRO | 3 | 2016 |
| MIKI TAKAYOSHI | 2 | 2016–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 18 | 2016–2021 |
| Hirakata, JP | 6 | 1987–1993 |
| Osaka, JP | 1 | 1988 |