4. Work holders
  5. Work-underlying support
  6. Movable roller

Keiji Yamashita

Inventor

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Contact lens

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

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Device for molding ophthalmic lens material and method of...

Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating
Reexamination Certificate

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Exposure apparatus and device manufacturing method

Photocopying – Projection printing and copying cameras – Step and repeat
Reexamination Certificate

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Jig for holding contact lens material, using light-scattering bo

Work holders – Work-underlying support – Movable roller
Patent

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Method and jig for holding contact lens material, using light-sc

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent

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Profile ID: LFUS-PAI-P-426977

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