Takafumi Nonaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Switching power supply circuit
- Patent number 10,615,681
- Issue date Apr 7, 2020
- Mitsubishi Electric Corporation
- Takafumi Nonaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Light source lighting device including a constant-current supply th...
- Patent number 8,710,750
- Issue date Apr 29, 2014
- Mitsubishi Electric Corporation
- Takafumi Nonaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power circuit and illumination apparatus
- Patent number 8,004,204
- Issue date Aug 23, 2011
- Mitsubishi Electric Corporation
- Takafumi Nonaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Switching Power Supply Circuit
- Publication number 20190207507
- Publication date Jul 4, 2019
- MITSUBISHI ELECTRIC CORPORATION
- Takafumi NONAKA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LIGHT SOURCE LIGHTING DEVICE AND LUMINAIRE
- Publication number 20120187863
- Publication date Jul 26, 2012
- MITSUBISHI ELECTRIC CORPORATION
- Takafumi NONAKA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
POWER CIRCUIT AND ILLUMINATION APPARATUS
- Publication number 20100194307
- Publication date Aug 5, 2010
- MITSUBISHI ELECTRIC CORPORATION
- Takafumi Nonaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR