Hitoshi SHIMA

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power supply circuit and audio system
- Patent number 10,892,677
- Issue date Jan 12, 2021
- Yamaha Corporation
- Takuya Kataoka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Audio system and power supply circuit
- Patent number 10,887,708
- Issue date Jan 5, 2021
- Yamaha Corporation
- Takuya Kataoka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply circuit and sound equipment
- Patent number 10,768,241
- Issue date Sep 8, 2020
- Yamaha Corporation
- Takuya Kataoka
- G01 - MEASURING TESTING
Information Patent Grant
Power supply circuit and sound equipment
- Patent number 10,732,230
- Issue date Aug 4, 2020
- Yamaha Corporation
- Takuya Kataoka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
AUDIO SYSTEM AND POWER SUPPLY CIRCUIT
- Publication number 20200015026
- Publication date Jan 9, 2020
- Yamaha Corporation
- Takuya KATAOKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POWER SUPPLY CIRCUIT AND AUDIO SYSTEM
- Publication number 20190363629
- Publication date Nov 28, 2019
- Yamaha Corporation
- Takuya KATAOKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POWER SUPPLY CIRCUIT AND SOUND EQUIPMENT
- Publication number 20190094312
- Publication date Mar 28, 2019
- Yamaha Corporation
- Takuya KATAOKA
- H03 - BASIC ELECTRONIC CIRCUITRY