Shinichi Umekawa

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Sagamihara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor devices and manufacturing method thereof
- Patent number 7,629,672
- Issue date Dec 8, 2009
- Toyota Jidosha Kabushiki Kaisha
- Tetsuya Kanata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 7,091,554
- Issue date Aug 15, 2006
- Kabushiki Kaisha Toshiba
- Hiroki Muraoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power semiconductor device
- Patent number 6,936,893
- Issue date Aug 30, 2005
- Kabushiki Kaisha Toshiba
- Masahiro Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Over current protection circuit of semiconductor switching device
- Patent number 6,594,131
- Issue date Jul 15, 2003
- Kabushiki Kaisha Toshiba
- Shinichi Umekawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power semiconductor module for use in power conversion units with d...
- Patent number 6,417,532
- Issue date Jul 9, 2002
- Kabushiki Kaisha Toshiba
- Tetsujiro Tsunoda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor devices and manufacturing method thereof
- Publication number 20070126086
- Publication date Jun 7, 2007
- Toyota Jidosha Kabushiki Kaisha
- Tetsuya Kanata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power semiconductor device
- Publication number 20040238884
- Publication date Dec 2, 2004
- Masahiro Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device
- Publication number 20040183128
- Publication date Sep 23, 2004
- Kabushiki Kaisha Toshiba
- Hiroki Muraoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power semiconductor module for use in power conversion units with d...
- Publication number 20010015478
- Publication date Aug 23, 2001
- Tetsujiro Tsunoda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Over current protection circuit of semiconductor switching device
- Publication number 20010009494
- Publication date Jul 26, 2001
- Shinichi Umekawa
- H03 - BASIC ELECTRONIC CIRCUITRY