Alexandr F. Shirankov

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Pushkino, RU

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid lens and projection optical system including the same
- Patent number 6,992,837
- Issue date Jan 31, 2006
- Samsung Electronics Co., Ltd.
- Seok-il Yoon
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Hybrid lens and projection optical system including the same
- Publication number 20040114057
- Publication date Jun 17, 2004
- SAMSUNG ELECTRONICS CO., LTD.
- Seok-il Yoon
- G02 - OPTICS