Takao Shibutani

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Takatsuki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Buried twin ridge substrate laser
- Patent number 4,745,611
- Issue date May 17, 1988
- Matsushita Electric Industrial Co., Ltd.
- Ken Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing semiconductor device
- Patent number 4,675,074
- Issue date Jun 23, 1987
- Matsushita Electric Industrial Co., Ltd.
- Masaru Wada
- H01 - BASIC ELECTRIC ELEMENTS