Takeshi SEKI

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Hitachinaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power conversion device and manufacturing method of power conversio...
- Patent number 11,888,408
- Issue date Jan 30, 2024
- Hitachi Astemo, Ltd.
- Takeshi Seki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power converter
- Patent number 10,903,754
- Issue date Jan 26, 2021
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Ayumu Hatanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power conversion device with efficient cooling structure
- Patent number 10,673,349
- Issue date Jun 2, 2020
- Hitachi, Ltd.
- Youhei Nishizawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
POWER CONVERSION DEVICE AND MANUFACTURING METHOD OF POWER CONVERSIO...
- Publication number 20220158566
- Publication date May 19, 2022
- Hitachi Astemo, Ltd.
- Takeshi SEKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERSION DEVICE
- Publication number 20200100377
- Publication date Mar 26, 2020
- Hitachi Automotive Systems, Ltd.
- Youhei NISHIZAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERTER
- Publication number 20190356238
- Publication date Nov 21, 2019
- Hitachi Automotive Systems, Ltd.
- Ayumu HATANAKA
- H01 - BASIC ELECTRIC ELEMENTS