Tsuyoshi Hamada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Filter having switch function and band pass filter
- Patent number 8,072,294
- Issue date Dec 6, 2011
- NEC Corporation
- Hiroshi Tanpo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION DELIVERY SYSTEM
- Publication number 20160294553
- Publication date Oct 6, 2016
- Mitsubishi Electric Corporation
- Mitsuhiro HATTORI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FILTER HAVING SWITCH FUNCTION AND BAND PASS FILTER
- Publication number 20090153264
- Publication date Jun 18, 2009
- NEC Corporation
- Hiroshi TANPO
- H01 - BASIC ELECTRIC ELEMENTS