Nabuaki Watanabe

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Camera shutter unit having a shutter blade to open and close an exp...
- Patent number 6,585,429
- Issue date Jul 1, 2003
- Nidec Copal Corporation
- Daisuke Yaginuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Electromagnetic actuator and shutter device for camera
- Publication number 20020113502
- Publication date Aug 22, 2002
- Nabuaki Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Camera shutter unit
- Publication number 20010041074
- Publication date Nov 15, 2001
- Nidec Copal Corporation
- Daisuke Yaginuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY