Mitsumasa Sakurai

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic component package
- Patent number 7,557,491
- Issue date Jul 7, 2009
- Citizen Holdings Co., Ltd.
- Keisuke Kigawa
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Electronic component package
- Publication number 20070182289
- Publication date Aug 9, 2007
- Citizen Watch Co., Ltd.
- Keisuke Kigawa
- H03 - BASIC ELECTRONIC CIRCUITRY