Yuji Ogawa

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Aperture size changing apparatus for a camera

Photography – Variable frame masking
Patent

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Apparatus and method for forming a heat exchanger inner fin havi

Metal deforming – By deflecting successively-presented portions of work during... – By use of deflector arranged to bend work transversely of...
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Apparatus for changing the size of the photographing aperture in

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Apparatus for changing the size of the photographing aperture in

Patent

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Apparatus for eliminating backlash in a zoom finder

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance
Patent

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Profile ID: LFUS-PAI-P-152934

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