Masaharu Kohyama

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing liquid crystal display elements
- Patent number 4,275,494
- Issue date Jun 30, 1981
- Hitachi, Ltd.
- Masaharu Kohyama
- G02 - OPTICS
Information Patent Grant
Method for producing liquid crystal display elements
- Patent number 4,224,093
- Issue date Sep 23, 1980
- Hitachi, Ltd.
- Masaharu Kohyama
- G02 - OPTICS