Inventor
Masafumi Ichihara
Inventor
Tokyo, JP
Overview
Patents· 8 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 systems58%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters17%
H01FMagnets8%
H02JElectric power networks8%
H03HImpedance networks, e.g. resonant circuits8%
PatentTitleYear
9,859,809'Power conversion device'20189,680,389'Power conversion device'20179,673,736'Power conversion system and power conversion device'20179,595,881'Common mode noise reduction apparatus'20179,391,521'Chopper apparatus'20168,810,335'Noise filter'20148,779,710'Inverter device'20148,514,600'Power conversion apparatus with zero current crossing direction correction'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2018Patents assigned to MITSUBISHI ELECTRIC CORP (8)· patent assignee history
2013–2017Patents assigned to ICHIHARA MASAFUMI (5)· patent assignee history
2013Patents assigned to UCHIDA HIROYUKI (1)· patent assignee history
2013–2016Based in Chiyoda-ku, JP· patent location history
2017–2018Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 8 | 2013–2018 |
| ICHIHARA MASAFUMIself | 5 | 2013–2017 |
| UCHIDA HIROYUKI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2017–2018 |
| Chiyoda-ku, JP | 4 | 2013–2016 |