Masaharu Hatta

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Chuo-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Switching power supply using a transformer, rectifier, control circ...
- Patent number 6,781,852
- Issue date Aug 24, 2004
- TDK Corporation
- Masaharu Hatta
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply unit and driving method thereof
- Patent number 6,625,043
- Issue date Sep 23, 2003
- TDK Corporation
- Masaharu Hatta
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Plural parallel resonant switching power supplies
- Patent number 5,946,206
- Issue date Aug 31, 1999
- TDK Corporation
- Katsuhiko Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Switching power supply
- Publication number 20030103360
- Publication date Jun 5, 2003
- TDK Corporation
- Masaharu Hatta
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power supply unit and driving method thereof
- Publication number 20020114174
- Publication date Aug 22, 2002
- TDK Corporation
- Masaharu Hatta
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...