4. Optics: eye examining, vision testing and correcting
  5. Eye examining or testing instrument
  6. Objective type

Izumi Umemura

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Eye examination apparatus using ultrasonic wave radiation

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent

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Eye-refractometer device

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent

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Eye-refractometer device

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent

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Microscope apparatus

Thermal measuring and testing – Temperature measurement – Combined with diverse art device
Reexamination Certificate

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Profile ID: LFUS-PAI-P-46763

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