4. Printed matter
  5. Having revealable concealed information, fraud preventer or...
  6. Utilizing electromagnetic radiation

Wann-Diing Tyan

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Diffractive anti-counterfeiting tag with naked-eye...

Printed matter – Having revealable concealed information – fraud preventer or... – Utilizing electromagnetic radiation
Reexamination Certificate

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Method of manufacturing micro-structure element by utilizing...

Semiconductor device manufacturing: process – Chemical etching – Combined with coating step
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2499369

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