Inventor
Yusuke Takagi
Inventor
Hitachinaka, JP
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%
H01LSemiconductor devices14%
H05KPrinted circuits11%
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 systems10%
F02BInternal-combustion piston engines6%
F01MLubricating of machines or engines in general5%
B60LPropulsion of electrically-propelled vehicles4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
LOC134%
Y02TClimate change mitigation technologies related to transportation4%
PatentTitleYear
11,044,781Base station device, communication system, terminal device, communication method, and program202110,962,309Stacked heat exchanger202110,629,612Memory device202010,615,102Power semiconductor module202010,512,181Power semiconductor device and power conversion device201910,348,214Power module, power converter device, and electrically powered vehicle201910,279,653Power converter201910,054,064Actuator mounting structure for internal-combustion engine having variable compression ratio201810,037,930Power semiconductor module and manufacturing method of power semiconductor module201810,034,401Power semiconductor device and power conversion device20189,960,147Power module20189,729,076'Power module, power converter device, and electrically powered vehicle'20179,693,466'Wiring board and manufacturing method thereof'20179,497,873'Power module including first and second sealing resins'20169,476,366'Control device and control method for variable compression ratio internal combustion engines'2016D0769189'Power module for power inverter'20169,422,872'Variable compression ratio internal combustion engine'20169,407,163'Power module, power converter device, and electrically powered vehicle'2016D0759589'Power module for power inverter'20169,270,195'Power converter including a power module allowing main current supply and cutoff'20169,179,581'Power semiconductor device and power conversion device'20159,169,775'Multi-link internal combustion engine'20158,946,567'Power module, power converter device, and electrically powered vehicle'20158,888,168'Front vehicle body structure'20148,847,374'Power semiconductor module and manufacturing method thereof'20148,726,858'Variable compression ratio internal combustion engine'20148,659,130'Power module and power module manufacturing method'20148,521,202'Mobile station device, wireless communication system, mobile station device control method, and mobile station device control program'2013D0651565'Portion of power module for power inverter'2012D0651170'Portion of a power module for power inverter'20117,685,979'Variable valve timing mechanism for internal combustion engine'20107,055,477'Valve actuation apparatus for internal combustion engine and method of adjusting lift thereof'20066,877,466'Variable valve operating system for internal combustion engine'20055,101,848'Shut off apparatus for a fluid passage, method for controlling the same, and method for confirming closing of the same'19924,989,626'Apparatus for and method of controlling the opening and closing of channel for liquid'19914,721,388'Method of measuring shape of object in non-contacting manner'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1991Based in Hitachi, JP· patent location history
1992–2010Based in Yokohama, JP· patent location history
2005–2018Patents assigned to NISSAN MOTOR (8)· patent assignee history
2011–2020Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (19)· patent assignee history
2011–2017Patents assigned to TAKAGI YUSUKE (9)· patent assignee history
2011–2015Patents assigned to NAKATSU KINYA (5)· patent assignee history
2011–2015Patents assigned to TOKUYAMA TAKESHI (5)· patent assignee history
2011–2020Based in Hitachinaka, JP· patent location history
2014–2018Based in Hadano, JP· patent location history
2021Based in Sakai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI AUTOMOTIVE SYSTEMS LTD | 19 | 2011–2020 |
| TAKAGI YUSUKEself | 9 | 2011–2017 |
| NISSAN MOTOR | 8 | 2005–2018 |
| NAKATSU KINYA | 5 | 2011–2015 |
| TOKUYAMA TAKESHI | 5 | 2011–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 19 | 2011–2020 |
| Hadano, JP | 5 | 2014–2018 |
| Yokohama, JP | 4 | 1992–2010 |
| Hitachi, JP | 2 | 1988–1991 |
| Sakai, JP | 1 | 2021 |