Assignee
AHEAD OPTOELECTRONICS INC
TW7 patents
Top patents by PatentIndex Score
US5949546ASep 7, 1999
Interference apparatus for measuring absolute and differential motions of same or different testing surface
AHEAD OPTOELECTRONICS INC68 citations91
US5929994AJul 27, 1999
Intergrating sphere ellipsometer
AHEAD OPTOELECTRONICS INC45 citations91
US6599002B2Jul 29, 2003
LED signal light
AHEAD OPTOELECTRONICS INC32 citations86
US6392768B1May 21, 2002
Dot matrix hologram with a hidden image
AHEAD OPTOELECTRONICS INC20 citations84
US6317226B1Nov 13, 2001
Dot matrix hologram for hiding a moire pattern
AHEAD OPTOELECTRONICS INC27 citations84
US9684103B2Jun 20, 2017
Structured light generation device and light source module with the same
AHEAD OPTOELECTRONICS INC2 citations59
US10895753B2Jan 19, 2021
Structured light generation device and diffractive optical element thereof
AHEAD OPTOELECTRONICS INC0 citations52