Koji Sekizawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electromagnetic actuator and shutter device for camera
- Patent number 6,821,033
- Issue date Nov 23, 2004
- Nidec Copal Corporation
- Koji Sekizawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
CAMERA
- Publication number 20240248377
- Publication date Jul 25, 2024
- NIDEC PRECISION CORPORATION
- Koji SEKIZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electromagnetic actuator and shutter device for camera
- Publication number 20030012573
- Publication date Jan 16, 2003
- Koji Sekizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY