Takeshi Fujiwara

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-frequency power supply device and output control method therefor
- Patent number 12,040,158
- Issue date Jul 16, 2024
- Kyosan Electric Mfg. Co., Ltd.
- Takeshi Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-frequency power supply device and output control method therefor
- Patent number 12,014,899
- Issue date Jun 18, 2024
- Kyosan Electric Mfg. Co., Ltd.
- Takeshi Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power supply device and method for controlling power supply device
- Patent number 10,594,220
- Issue date Mar 17, 2020
- Kyosan Electric Mfg. Co., Ltd.
- Itsuo Yuzurihara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
HIGH-FREQUENCY POWER SUPPLY DEVICE AND OUTPUT CONTROL METHOD THEREFOR
- Publication number 20230134559
- Publication date May 4, 2023
- KYOSAN ELECTRIC MFG. CO., LTD.
- Takeshi Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH-FREQUENCY POWER SUPPLY DEVICE AND OUTPUT CONTROL METHOD THEREFOR
- Publication number 20230124064
- Publication date Apr 20, 2023
- KYOSAN ELECTRIC MFG. CO., LTD.
- Takeshi Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING POWER SUPPLY DEVICE
- Publication number 20190341851
- Publication date Nov 7, 2019
- KYOSAN ELECTRIC MFG. CO., LTD.
- Itsuo Yuzurihara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER