Makio OISHI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cam mechanism of a retractable zoom lens
- Patent number 7,773,313
- Issue date Aug 10, 2010
- Hoya Corporation
- Kazunori Ishizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CAM MECHANISM OF A RETRACTABLE ZOOM LENS
- Publication number 20090195891
- Publication date Aug 6, 2009
- HOYA CORPORATION
- Kazunori ISHIZUKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY