Inventor · Tokyo, JP

Yasuhiro Okuma

7Patents
4h-index
13Co-inventors
50Inventor score

Filing activity: Mar 23, 2000 → Mar 29, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6326773A Power conversion apparatus Emerging Cross-Sectional Technologies 21 Expired
US7999633B2 EMI filter with an integrated structure of common-mode inductors and differential-mode capacitors realized by flexible printed circuit board Electricity 7 Active
US7098558B2 Starting circuit for power-converting apparatus Emerging Cross-Sectional Technologies 4 Expired
US7245508B2 Power conversion apparatus Electricity 4 Expired
US6940734B2 Power converter Emerging Cross-Sectional Technologies 4 Expired
US8183966B2 Entirely integrated EMI filter based on a flexible multi-layer strip material Electricity 3 Active
US6940188B2 Electric power converting device Emerging Cross-Sectional Technologies 3 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.