Inventor · Matsuyama, JP

Kenji Yasui

41Patents
5h-index
58Co-inventors
72Inventor score

Filing activity: Dec 27, 1995 → Sep 9, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5704493A Substrate holder Electricity 39 Expired
US5977530A Switching power supply for high frequency heating apparatus Emerging Cross-Sectional Technologies 20 Expired
US9398646B2 Microwave heating device and microwave heating control method Emerging Cross-Sectional Technologies 20 Active
US6362463B1 High frequency heating apparatus Electricity 16 Expired
US7713768B2 Anti-reflective film and production method thereof, and stamper for producing anti-reflective film and production method thereof Emerging Cross-Sectional Technologies 6 Active
US6982623B2 Step-up transformer for magnetron driving Electricity 5 Expired
US9079277B2 Stacking apparatus and manufacturing apparatus for flattened tube fins Emerging Cross-Sectional Technologies 5 Active
US6624579B2 Magnetron drive power supply Emerging Cross-Sectional Technologies 5 Expired
US8901470B2 Microwave heating apparatus Emerging Cross-Sectional Technologies 3 Active
US6970065B2 Transformer and transformer unit having the same Electricity 3 Expired
US6956456B2 Magnetron drive boosting transformer Electricity 3 Expired
US8258446B2 Power control apparatus for high-frequency dielectric heating and power control method for the same Emerging Cross-Sectional Technologies 2 Active
US6388899B1 Inverter circuit Emerging Cross-Sectional Technologies 2 Expired
US9666109B2 Projector Physics 2 Active
US8492687B2 Power control apparatus for high-frequency dielectric heating and power control method for the same Emerging Cross-Sectional Technologies 2 Active
US8680446B2 Microwave heating apparatus Emerging Cross-Sectional Technologies 2 Active
US6903319B2 Method and apparatus for controlling electric power for high-frequency dielectric heating Emerging Cross-Sectional Technologies 2 Expired
US8113822B2 Combustion method and combustion apparatus Mechanical Engineering; Lighting; Heating 2 Active
US7972581B1 Method of treating nitrogen oxide-containing gas Mechanical Engineering; Lighting; Heating 2 Active
US8083518B2 Combustion method and combustion apparatus Mechanical Engineering; Lighting; Heating 1 Active
US9648670B2 Microwave heating device Electricity 1 Active
US8642934B2 Power control apparatus for high-frequency dielectric heating and power control method for the same Emerging Cross-Sectional Technologies 1 Active
US6891738B2 Power-supply unit for electronic oven Emerging Cross-Sectional Technologies 1 Expired
US7535331B2 Booster transformer for driving magnetron and transformer unit having the booster transformer Electricity 1 Expired
US8338762B2 Power control apparatus for high-frequency dielectric heating and power control method for the same Emerging Cross-Sectional Technologies 1 Active

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