Hiroshi Haizuka

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Nakatsugawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing bandpass filters for GHz bands
- Patent number 7,234,234
- Issue date Jun 26, 2007
- Daido Steel Co., Ltd.
- Akihiko Saito
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing bandpass filters for GHz bands
- Publication number 20050101285
- Publication date May 12, 2005
- DAIDO STEEL CO., LTD.
- Akihiko Saito
- H01 - BASIC ELECTRIC ELEMENTS