4. Optics: measuring and testing
  5. By polarized light examination
  6. With light attenuation

Yasuyuki Koyagi

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Drawing apparatus and method of attaching balance weights

Data processing: measuring – calibrating – or testing – Measurement system – Weight
Reexamination Certificate

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Drawing apparatus and method of attaching balance weights

Data processing: measuring – calibrating – or testing – Measurement system – Weight
Reexamination Certificate

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Optical position detecting method and apparatus therefor

Optics: measuring and testing – By polarized light examination – With light attenuation
Patent

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Photo-fabrication apparatus

Plastic article or earthenware shaping or treating: apparatus – Means applying electrical or wave energy directly to work – Radiated energy
Reexamination Certificate

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Stereolithography apparatus

Plastic article or earthenware shaping or treating: apparatus – Pattern control of travel for a forming means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-678809

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