4. Plastic and nonmetallic article shaping or treating: processes
  5. Optical article shaping or treating
  6. Light polarizing article or holographic article

Hirofumi Ishiyama

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Resin-cemented optical element, mold therefor, fabrication...

Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Reexamination Certificate

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Resin-cemented optical element, mold therefor, fabrication...

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

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Profile ID: LFUS-PAI-P-2324114

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