Chang Ho Chung

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical tunable filter and method of manufacturing the same
- Patent number 7,483,211
- Issue date Jan 27, 2009
- Seiko Epson Corporation
- Ryosuke Nakamura
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical tunable filter and method of manufacturing the same
- Publication number 20060183644
- Publication date Aug 17, 2006
- Ryosuke Nakamura
- G02 - OPTICS