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

Hiroyuki Niwa

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Exhaust device for an internal combustion engine

Power plants – Internal combustion engine with treatment or handling of... – Having vibration attenuating – or expansion and contraction...
Patent

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Multipath data transmission system with transmission...

Interactive video distribution systems – Video distribution system with upstream communication – Having link to external network
Reexamination Certificate

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Objective observation optical material

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

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Paste composition for light guide and light guide utilizing...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate

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Positive type radiation-sensitive composition and process...

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate

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Profile ID: LFUS-PAI-P-731530

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