Inventor
Yoshiki Fukumoto
Inventor
Osaka, JP
Overview
Patents· 4 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 systems33%
G01RMeasuring electric variables17%
H01JElectric discharge tubes or discharge lamps17%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner17%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications17%
PatentTitleYear
7,615,983'High frequency power device for protecting an amplifying element therein'20097,221,102'High-frequency power supply device'20075,760,544'Magnetron microwave generator with filament-life diagnostic circuit'19985,721,470'Microwave generator apparatus comprising controller for automatically adjusting filament power of a magnetron'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2009Patents assigned to DAIHEN CORP (4)· patent assignee history
1998Patents assigned to SHIBAURA ENG WORKS LTD (1)· patent assignee history
1998Based in Kishiwada, JP· patent location history
2007–2009Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAIHEN CORP | 4 | 1998–2009 |
| SHIBAURA ENG WORKS LTD | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 2 | 2007–2009 |
| Kishiwada, JP | 2 | 1998 |