4. Photography
  5. Flash system responsive to focal length or distance
  6. Illumination angle responds to focal length or distance

Tuyoshi Ishikawa

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Apparatus and method for controlling magnification of image in c

Television – Special applications – Combined electronic sensing and photographic film cameras
Patent

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Method of treating radioactive ion-exchange resins by oxidative

Compositions – Radioactive compositions
Patent

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Optical system for camera

Optical: systems and elements – Compound lens system – With relay
Patent

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Pattern reading apparatus

Optics: measuring and testing – Of light reflection – With diffusion
Reexamination Certificate

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Pattern reading apparatus

Optics: measuring and testing – Of light reflection
Reexamination Certificate

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Profile ID: LFUS-PAI-P-294146

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