Inventor
Akihiro Murahashi
Inventor
Tokyo, JP
Overview
Patents· 10 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 systems17%
H05KPrinted circuits11%
B60LPropulsion of electrically-propelled vehicles9%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
Y02TClimate change mitigation technologies related to transportation9%
B61CLocomotives6%
B60TVehicle brake control systems or parts thereof3%
B61HBrakes or other retarding devices specially adapted for rail vehicles3%
B61KAuxiliary equipment specially adapted for railways, not otherwise provided for3%
PatentTitleYear
10,064,316Vehicular power conversion device20189,806,691'Filter device and electric-vehicle drive controller'20179,764,750'Apparatus and method of reducing slip/slide of railcar'20179,271,432'Power conversion device with reduced noise source current, reduced high frequency current and reduced resonance current'20169,178,450'Control device and control method for electric motor, and motor and vehicle driving system to which the control device and control method are applied'20158,988,909'Power conversion device'20158,225,854'Heat sink and cooling unit using the same'20128,107,241'Electric power conversion apparatus including cooling units'20127,881,086'Power conversion device and fabricating method for the same'20116,583,976'Power semiconductor device'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2018Patents assigned to MITSUBISHI ELECTRIC CORP (10)· patent assignee history
2003–2018Based in Tokyo, JP· patent location history
2011–2012Based in Chiyoda-ku, JP· patent location history
2012–2017Patents assigned to MURAHASHI AKIHIRO (6)· patent assignee history
2012Patents assigned to TOYA KAZUYOSHI (2)· patent assignee history
2015–2017Patents assigned to YOKOZUTSUMI RYO (3)· patent assignee history
2016–2017Patents assigned to JIMICHI TAKUSHI (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 10 | 2003–2018 |
| MURAHASHI AKIHIROself | 6 | 2012–2017 |
| YOKOZUTSUMI RYO | 3 | 2015–2017 |
| JIMICHI TAKUSHI | 2 | 2016–2017 |
| TOYA KAZUYOSHI | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 8 | 2003–2018 |
| Chiyoda-ku, JP | 2 | 2011–2012 |