Yoshihiko Hirota

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
High voltage semiconductor device including a free wheel diode
- Patent number 8,253,163
- Issue date Aug 28, 2012
- Mitsubishi Electric Corporation
- Shigeru Kusunoki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High voltage semiconductor device including a free wheel diode
- Patent number 8,164,111
- Issue date Apr 24, 2012
- Mitsubishi Electric Corporation
- Shigeru Kusunoki
Information Patent Grant
Semiconductor device including switching element and two diodes
- Patent number 7,755,167
- Issue date Jul 13, 2010
- Mitsubishi Electric Corporation
- Yoshihiko Hirota
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HIGH VOLTAGE SEMICONDUCTOR DEVICE
- Publication number 20110140165
- Publication date Jun 16, 2011
- MITSUBISHI ELECTRIC CORPORATION
- Shigeru KUSUNOKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE INCLUDING SWITCHING ELEMENT AND TWO DIODES
- Publication number 20080179704
- Publication date Jul 31, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Yoshihiko HIROTA
- H01 - BASIC ELECTRIC ELEMENTS