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Shigeru Kemmochi
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Meerbusch, DE
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Patents Grants
last 30 patents
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Patent Grant
Switch circuit and composite high-frequency part
Patent number
7,167,687
Issue date
Jan 23, 2007
Hitachi Metals, Ltd.
Shigeru Kemmochi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bypass filter, multi-band antenna switch circuit, and layered modul...
Patent number
7,057,472
Issue date
Jun 6, 2006
Hitachi Metals, Ltd.
Keisuke Fukamachi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Switch circuit and high-frequency composite part
Publication number
20070105506
Publication date
May 10, 2007
HITACHI METALS, LTD
Shigeru Kemmochi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Switch circuit and composite high-frequency part
Publication number
20050048927
Publication date
Mar 3, 2005
Shigeru Kemmochi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bypass filter, multi-band antenna switch circuit, and layered modul...
Publication number
20040266378
Publication date
Dec 30, 2004
Keisuke Fukamachi
H04 - ELECTRIC COMMUNICATION TECHNIQUE