Kazuya Hirayama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for etching disk-like member
- Patent number 7,494,597
- Issue date Feb 24, 2009
- Sumco Techxiv Corporation
- Tadamitsu Miyazaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for etching disk-like member
- Publication number 20070017901
- Publication date Jan 25, 2007
- Komatsu Denshi Kinzoku Kabushiki Kaisha
- Tadamitsu Miyazaki
- H01 - BASIC ELECTRIC ELEMENTS