Inventor
Hirofumi Nakata
Inventor
Nara, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks27%
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 systems27%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
G05FSystems for regulating electric or magnetic variables7%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power7%
H05KPrinted circuits7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
7,439,635'Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system'20087,312,539'Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system'20077,177,148'Outdoor-installed power conditioner device'20076,448,489'Solar generation system'20026,172,889'Inverter apparatus islanding operation detecting method and inverter apparatus capable of surely detecting an islanding operation with a simple construction'20015,914,866'Device and method for controlling inverter performing feedback control to suppress periodic component and unsteady component of error'19995,719,758'Inverter control method and inverter apparatus using the method'19985,668,713'Inverter control method and inverter control device performing feedback control by suppressing delay'19975,625,539'Method and apparatus for controlling a DC to AC inverter system by a plurality of pulse-width modulated pulse trains'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2008Patents assigned to SHARP KK (8)· patent assignee history
1997–2008Based in Nara, JP· patent location history
1997–2001Based in Yamatotakada, JP· patent location history
2002Based in Tenri, JP· patent location history
2007Patents assigned to TABUCHI DENKI KK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 8 | 1997–2008 |
| TABUCHI DENKI KK | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nara, JP | 4 | 1997–2008 |
| Yamatotakada, JP | 4 | 1997–2001 |
| Tenri, JP | 1 | 2002 |