Inventor
TSENG CHIEN-HSIUNG
TW13 patents
⚠️ This page may combine multiple inventors who share the name “TSENG CHIEN-HSIUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOUNG OPTICS INC
9 patentsUS7859770B2Dec 28, 2010
Fixed-focus lens
YOUNG OPTICS INC11 citations83
US8000023B2Aug 16, 2011
Zoom lens
YOUNG OPTICS INC7 citations81
US7643220B2Jan 5, 2010
Zoom lens
YOUNG OPTICS INC4 citations62
US7450320B2Nov 11, 2008
Zoom lens
YOUNG OPTICS INC5 citations61
US8373935B2Feb 12, 2013
Fixed-focus lens
YOUNG OPTICS INC3 citations60
US7859763B2Dec 28, 2010
Fixed-focus lens
YOUNG OPTICS INC6 citations60
US12523847B2Jan 13, 2026
Optical lens comprising four lenses having an effective focal length
YOUNG OPTICS INC0 citations59
US10146030B2Dec 4, 2018
Zoom lens
YOUNG OPTICS INC1 citations49
US11391925B2Jul 19, 2022
Optical lens
YOUNG OPTICS INC0 citations48