Keitarou Sekine

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tuning circuit with amplitude attenuation function and integrated c...
- Patent number 7,330,708
- Issue date Feb 12, 2008
- Sanyo Electric Co., LTD
- Masahiro Umewaka
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Tuning circuit with amplitude attenuation function and integrated c...
- Publication number 20050147193
- Publication date Jul 7, 2005
- Sanyo Electric Co., Ltd.
- Masahiro Umewaka
- B60 - VEHICLES IN GENERAL