Daichi KAWAMURA

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Patents Grantslast 30 patents

Information Patent Grant
Power semiconductor module
- Patent number 10,888,941
- Issue date Jan 12, 2021
- Hitachi Power Semiconductor Device, Ltd.
- Daichi Kawamura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Acoustic emission wave detection system for a high voltage apparatus
- Patent number 10,488,515
- Issue date Nov 26, 2019
- Hitachi, Ltd.
- Daichi Kawamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
POWER SEMICONDUCTOR MODULE
- Publication number 20190126374
- Publication date May 2, 2019
- HITACHI POWER SEMICONDUCTOR DEVICE, LTD.
- Daichi KAWAMURA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Acoustic Emission Wave Detector, Acoustic Emission Wave Detection S...
- Publication number 20170329006
- Publication date Nov 16, 2017
- Daichi KAWAMURA
- G01 - MEASURING TESTING