Sachiko Nasu

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Variable-focus lens system
- Patent number 6,683,730
- Issue date Jan 27, 2004
- Pentax Precision Co., Ltd.
- Sachiko Nasu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Surveillance camera system and photographing lens system thereof
- Publication number 20020163585
- Publication date Nov 7, 2002
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Hideto Machii
- G02 - OPTICS
Information Patent Application
Variable-focus lens system
- Publication number 20020126393
- Publication date Sep 12, 2002
- ASAHI SEIMITSU KABUSHIKI KAISHA
- Sachiko Nasu
- G02 - OPTICS