Seiichi HAYAKAWA

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Hitachi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device signal transmission circuit for drive-control,...
- Patent number 11,539,361
- Issue date Dec 27, 2022
- Hitachi Power Semiconductor Device, Ltd.
- Toru Masuda
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Gate drive device, gate drive method, power semiconductor module, a...
- Patent number 11,496,041
- Issue date Nov 8, 2022
- Hitachi Power Semiconductor Device, Ltd.
- Daisuke Ikarashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Gate Drive Device, Gate Drive Method, Power Semiconductor Module, a...
- Publication number 20210296979
- Publication date Sep 23, 2021
- Hitachi Power Semiconductor Device, Ltd.
- Daisuke IKARASHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Semiconductor Device Signal Transmission Circuit for Drive-Control,...
- Publication number 20210288640
- Publication date Sep 16, 2021
- Hitachi Power Semiconductor Device, Ltd.
- Toru MASUDA
- B60 - VEHICLES IN GENERAL