Yoshiyuki Ohta

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Kudamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Specimen surface processing apparatus and surface processing method
- Patent number 7,354,525
- Issue date Apr 8, 2008
- Hitachi High-Technologies Corporation
- Masatoshi Oyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Specimen surface processing apparatus and surface processing method
- Publication number 20060000804
- Publication date Jan 5, 2006
- Masatoshi Oyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Specimen surface processing apparatus and surface processing method
- Publication number 20040171273
- Publication date Sep 2, 2004
- Masatoshi Oyama
- H01 - BASIC ELECTRIC ELEMENTS