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

Yasunori Izawa

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Aspherical spectacle lens

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

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Progressive power lens

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

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Pupil conjugate-coupling device in projecting optical system

Optics: image projectors – Distortion compensation
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Profile ID: LFUS-PAI-P-813866

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