Sumio Yamaguchi

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device with a low resistance wiring
- Patent number 6,674,171
- Issue date Jan 6, 2004
- Renesas Technology Corp.
- Sumio Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device comprising composite barrier layer
- Patent number 5,565,708
- Issue date Oct 15, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Akihiko Ohsaki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor device
- Publication number 20030137049
- Publication date Jul 24, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Sumio Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS