Makoto Kawashima

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Ishikawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Nonreciprocal circuit device and communication device having only t...
- Patent number 6,646,517
- Issue date Nov 11, 2003
- Murata Manufacturing Co., Ltd.
- Satoru Shimmura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Nonreciprocal circuit device and communication device
- Publication number 20020097103
- Publication date Jul 25, 2002
- Murata Manufacturing Co., Ltd.
- Satoru Shimmura
- H01 - BASIC ELECTRIC ELEMENTS