Inventor
Yoshio Eguchi
Inventor
Hitachi, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F03Dprimary
F03DWind motors22%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g22%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters22%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution22%
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 systems11%
PatentTitleYear
9,219,426'Switching element, power converter, direct current transmission system, current control device, method of controlling power converter, and method of controlling current in voltage source converter'20157,145,262'Wind turbine generator system'20067,095,132'Wind turbine generator system'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2015Patents assigned to HITACHI LTD (3)· patent assignee history
2006–2015Based in Hitachi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 3 | 2006–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 3 | 2006–2015 |