Mitsuhiro Watanabe

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Patents Grantslast 30 patents

Information Patent Grant
Unbalanced-balanced multiband filter module
- Patent number 7,242,268
- Issue date Jul 10, 2007
- Hitachi Metals, Ltd.
- Kazuhiro Hagiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switch circuit and composite high frequency elements
- Patent number 7,221,922
- Issue date May 22, 2007
- Hitachi Metals, Ltd.
- Shigeru Kemmochi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Switch circuit and composite high frequency elements
- Publication number 20060211382
- Publication date Sep 21, 2006
- HITACHI METALS, LTD
- Shigeru Kemmochi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Balanced-unbalanced type multiband filer module
- Publication number 20060044080
- Publication date Mar 2, 2006
- Hitachi Metals, Ltd.
- Kazuhiro Hagiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE