Inventor
Haruhiko Fujita
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Tprimary
B60TVehicle brake control systems or parts thereof12%
B62DMotor vehicles12%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients12%
C08LCompositions of macromolecular compounds12%
H02KDynamo-electric machines12%
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 systems8%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
G01RMeasuring electric variables4%
PatentTitleYear
10,833,621Drive control device for electric motor and drive control method for same20209,960,591Inverter control device20188,563,644'Nitrile copolymer rubber composition and nitrile copolymer latex composition'20138,159,098'Motor control apparatus, power steering apparatus and brake control apparatus'20127,982,347'Motor control apparatus, power steering apparatus and brake control apparatus'20117,663,273'Motor control apparatus, power steering apparatus and brake control apparatus'20106,657,014'Crosslinkable rubber composition and crosslinked object'20035,446,098'Covulcanizable rubber composition of partially hydrogenated nitrile rubber and chlorinated ethylene-propylene copolymer'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995Based in Yokosuka, JP· patent location history
2003–2013Patents assigned to ZEON CORP (2)· patent assignee history
2003Based in Kawasaki, JP· patent location history
2010–2012Patents assigned to HITACHI LTD (3)· patent assignee history
2010–2013Based in Tokyo, JP· patent location history
2012–2013Patents assigned to FUJITA HARUHIKO (2)· patent assignee history
2013Patents assigned to IMADA AKIRA (1)· patent assignee history
2018–2020Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (2)· patent assignee history
2018Based in Machida, JP· patent location history
2020Based in Isesaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 3 | 2010–2012 |
| FUJITA HARUHIKOself | 2 | 2012–2013 |
| HITACHI AUTOMOTIVE SYSTEMS LTD | 2 | 2018–2020 |
| ZEON CORP | 2 | 2003–2013 |
| IMADA AKIRA | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2010–2013 |
| Isesaki, JP | 1 | 2020 |
| Machida, JP | 1 | 2018 |
| Kawasaki, JP | 1 | 2003 |
| Yokosuka, JP | 1 | 1995 |