4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. Ophthalmic lenses or blanks

Sadao Maruyama

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Illuminating device for slit lamp microscopes

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent

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Projection lens and liquid crystal projector

Optical: systems and elements – Lens – With field curvature shaping
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1581565

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