Inventor
Seiji Takenaka
Inventor
Kyoto, 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 systems33%
G09GArrangements or circuits for control of indicating devices using static means to present variable information17%
G11BInformation storage based on relative movement between record carrier and transducer11%
A47DFurniture specially adapted for children6%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner6%
H03KPulse technique6%
H04BTransmission6%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
PatentTitleYear
10,826,397Switching power supply operable in an intermittent driving mode202010,707,754Switching power supply circuit, liquid crystal driving device, and liquid crystal display device202010,468,982Switching power supply circuit, load driving device, and liquid crystal display device201910,348,189Oscillation circuit20199,997,123Switching power supply circuit, liquid crystal driving device, and liquid crystal display device20189,893,616'DC/DC converter'20187,233,454'Floppy disk control circuit and floppy disk apparatus'20077,023,653'Floppy disk apparatus'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2020Patents assigned to ROHM CO LTD (8)· patent assignee history
2006–2020Based in Kyoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM CO LTD | 8 | 2006–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 8 | 2006–2020 |