Keiichi Akamatsu

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Taki-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thin film transistor and liquid crystal display device
- Patent number 6,744,070
- Issue date Jun 1, 2004
- Sharp Kabushiki Kaisha
- Yoshinori Shimada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin-film transistor and liquid crystal display device
- Patent number 6,448,578
- Issue date Sep 10, 2002
- Sharp Kabushiki Kaisha
- Yoshinori Shimada
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device and method for manufacturing the same
- Patent number 6,414,730
- Issue date Jul 2, 2002
- Sharp Kabushiki Kaisha
- Keiichi Akamatsu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Thin film transistor and liquid crystal display device
- Publication number 20020190334
- Publication date Dec 19, 2002
- Yoshinori Shimada
- G02 - OPTICS