Hiroaki Ishizuka

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Kurokawa-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Etching method of multilayer film
- Patent number 8,895,454
- Issue date Nov 25, 2014
- Tokyo Electron Limited
- Shinji Himori
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ETCHING METHOD OF MULTILAYER FILM
- Publication number 20150072534
- Publication date Mar 12, 2015
- TOKYO ELECTRON LIMITED
- Shinji Himori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ETCHING METHOD OF MULTILAYER FILM
- Publication number 20140206199
- Publication date Jul 24, 2014
- Shinji Himori
- H01 - BASIC ELECTRIC ELEMENTS