Keisaku Yamada

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Ebina, JP

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Patents Grantslast 30 patents

Information Patent Grant
Copper film selective formation method
- Patent number 6,506,675
- Issue date Jan 14, 2003
- Kabushiki Kaisha Toshiba
- Kayoko Oomiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of preparing semiconductor surface
- Patent number 6,066,571
- Issue date May 23, 2000
- Kabushiki Kaisha Toshiba
- Koji Usuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid crystal display device
- Patent number 5,694,184
- Issue date Dec 2, 1997
- Kabushiki Kaisha Toshiba
- Keisaku Yamada
- G02 - OPTICS
Information Patent Grant
Method of manufacturing a semiconductor apparatus
- Patent number 4,791,074
- Issue date Dec 13, 1988
- Kabushiki Kaisha Toshiba
- Yoshitaka Tsunashima
- H01 - BASIC ELECTRIC ELEMENTS