Assignee
AHEAD OPTOELECTRONICS INC
TW·7 granted patents·2 pending applications·194 citations·filing 1997–2020
Top patents by PatentIndex Score
9 records- 0181US5949546AInterference apparatus for measuring absolute and differential motions of same or different testing surfaceAHEAD OPTOELECTRONICS INC·Filed 1997·Granted Sep 7, 1999·68 cites·15 claims
- 0276US5929994AIntergrating sphere ellipsometerAHEAD OPTOELECTRONICS INC·Filed 1998·Granted Jul 27, 1999·45 cites·17 claims
- 0370US2021191143A1Structured light generation device and diffractive optical element thereofAHEAD OPTOELECTRONICS INC·Filed 2020·Application pending·0 cites
- 0468US6599002B2LED signal lightAHEAD OPTOELECTRONICS INC·Filed 2001·Granted Jul 29, 2003·32 cites·14 claims
- 0561US9684103B2Structured light generation device and light source module with the sameAHEAD OPTOELECTRONICS INC·Filed 2015·Granted Jun 20, 2017·2 cites·10 claims
- 0658US10895753B2Structured light generation device and diffractive optical element thereofAHEAD OPTOELECTRONICS INC·Filed 2018·Granted Jan 19, 2021·0 cites·38 claims
- 0754US6317226B1Dot matrix hologram for hiding a moire patternAHEAD OPTOELECTRONICS INC·Filed 1999·Granted Nov 13, 2001·27 cites·2 claims
- 0846US6392768B1Dot matrix hologram with a hidden imageAHEAD OPTOELECTRONICS INC·Filed 1999·Granted May 21, 2002·20 cites·3 claims
- 0927US2017131560A1Diffractive optical element and laser diode-doe moduleAHEAD OPTOELECTRONICS INC·Filed 2015·Application pending·0 cites
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