Tsutomu Oosaka

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Etching method
- Patent number 7,105,447
- Issue date Sep 12, 2006
- Sony Corporation
- Tsutomu Oosaka
- B81 - MICRO-STRUCTURAL TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
Etching method
- Publication number 20050106892
- Publication date May 19, 2005
- SONY CORPORATION
- Tsutomu Oosaka
- B81 - MICRO-STRUCTURAL TECHNOLOGY