Masaru Yumura

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Fukuoka-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical semiconductor relay
- Patent number 7,102,869
- Issue date Sep 5, 2006
- Kabushiki Kaisha Toshiba
- Toshimitsu Kato
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Optical semiconductor device and method of manufacturing the same
- Publication number 20050029633
- Publication date Feb 10, 2005
- Kabushiki Kaisha Toshiba
- Masaru Yumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical semiconductor relay
- Publication number 20040124339
- Publication date Jul 1, 2004
- Kabushiki Kaisha Toshiba
- Toshimitsu Kato
- H03 - BASIC ELECTRONIC CIRCUITRY