Inventor
Atsuo Nishihara
Inventor
Kashiwa, JP
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Kprimary
H05KPrinted circuits23%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1023%
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 systems14%
Y02TClimate change mitigation technologies related to transportation9%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles8%
B60LPropulsion of electrically-propelled vehicles8%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application5%
H01LSemiconductor devices3%
B61CLocomotives2%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact2%
PatentTitleYear
10,064,310Power-module device, power conversion device, and method for manufacturing power-module device201810,044,220Uninterruptible power-supply system20189,585,292'Power converter'20179,510,487'Power conversion apparatus'20169,419,535'Electric power converter'20169,078,376'Power conversion device'20158,879,259'Cooling system for onboard electrical power converter, and electrical power converter for railway vehicle'20148,472,188'Semiconductor power module, inverter, and method of manufacturing a power module'20138,072,760'Power inverter'20117,983,044'Electrical apparatus, cooling system therefor, and electric vehicle'20117,957,145'Electric power converter'20117,710,721'Power inverter'20107,660,122'Electrical apparatus, cooling system therefor, and electric vehicle'20107,516,777'Cooling jacket'2009D0556686'Power module for power inverter'20077,252,167'Electrical apparatus, cooling system therefor, and electric vehicle'20077,090,044'Electrical apparatus, cooling system therefor, and electric vehicle'20066,978,856'Electrical apparatus, cooling system therefor, and electric vehicle'20056,351,384'Device and method for cooling multi-chip modules'20026,292,365'Electronic apparatus'20015,774,334'Low thermal resistant, fluid-cooled semiconductor module'19985,705,850'Semiconductor module'19985,270,572'Liquid impingement cooling module for semiconductor devices'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2018Patents assigned to HITACHI LTD (19)· patent assignee history
1993–1998Based in Ibaraki, JP· patent location history
1998Based in Inayo, JP· patent location history
2001–2015Based in Kashiwa, JP· patent location history
2006–2018Based in Tokyo, JP· patent location history
2011–2016Patents assigned to NISHIHARA ATSUO (5)· patent assignee history
2013–2015Patents assigned to HORIUCHI KEISUKE (3)· patent assignee history
2014Patents assigned to FUNAKOSHI SUNAO (1)· patent assignee history
2015–2017Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 19 | 1993–2018 |
| NISHIHARA ATSUOself | 5 | 2011–2016 |
| HITACHI AUTOMOTIVE SYSTEMS LTD | 4 | 2015–2017 |
| HORIUCHI KEISUKE | 3 | 2013–2015 |
| FUNAKOSHI SUNAO | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kashiwa, JP | 14 | 2001–2015 |
| Tokyo, JP | 6 | 2006–2018 |
| Ibaraki, JP | 2 | 1993–1998 |
| Inayo, JP | 1 | 1998 |