4. Optics: measuring and testing
  5. Photometers
  6. Photoelectric

Hiroaki Narushima

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Illuminance meter, illuminance measuring method and exposure...

Optics: measuring and testing – Photometers – Photoelectric
Reexamination Certificate

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Mask-holding apparatus for a light exposure apparatus and...

Photocopying – Projection printing and copying cameras – Detailed holder for original
Reexamination Certificate

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Stage apparatus including non-containing gas bearings and...

Electricity: motive power systems – Positional servo systems – With particular motor control system responsive to the...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2584473

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