Inventor
Takayoshi Nishiyama
Inventor
Yokohama, JP
Overview
Patents· 14 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 systems38%
H01FMagnets10%
H05KPrinted circuits10%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications10%
B60LPropulsion of electrically-propelled vehicles3%
H01LSemiconductor devices3%
H02JElectric power networks3%
H03KPulse technique3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
Y02PClimate change mitigation technologies in the production or processing of goods3%
PatentTitleYear
10,530,244Switch circuit with active snubber circuit and DC-DC converter202010,497,631Insulated DC-DC converter201910,348,213DC-DC converter20199,385,586'Snubber circuit'20167,868,584'DC-DC converter'20117,852,647'Switching power supply digital control circuit protecting from magnetic saturation effects'20107,821,797'Isolated DC-DC converter'20107,158,394'Switching power supply circuit with a soft-start function'20076,876,555'Surface-mount type switching power-supply unit and mounting method for the same'20056,757,174'Switching power-supply module'20046,414,861'DC-DC converter'20026,314,005'DC-DC converter which compensates for load variations'20016,295,214'Switching power supply unit'20015,942,965'Multilayer substrate'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2020Patents assigned to MURATA MANUFACTURING CO (14)· patent assignee history
1999–2005Based in Yokohama, JP· patent location history
2001Based in Yokahama, JP· patent location history
2007Based in Kyoto, JP· patent location history
2010–2011Based in Takatsuki, JP· patent location history
2016–2020Based in Nagaokakyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MURATA MANUFACTURING CO | 14 | 1999–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1999–2005 |
| Nagaokakyo, JP | 4 | 2016–2020 |
| Takatsuki, JP | 3 | 2010–2011 |
| Kyoto, JP | 1 | 2007 |
| Yokahama, JP | 1 | 2001 |