Inventor
QIN XUZHI
US18 patents
⚠️ This page may combine multiple inventors who share the name “QIN XUZHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INSIGHT EQUITY A P X L P
4 patentsUS7858001B2Dec 28, 2010
Photochromic lens
INSIGHT EQUITY A P X L P56 citations97
US8367211B2Feb 5, 2013
Photochromic lens
INSIGHT EQUITY A P X L P35 citations93
US7354150B2Apr 8, 2008
Polarizing plate with melanin
INSIGHT EQUITY A P X L P16 citations92
US8906183B2Dec 9, 2014
Photochromic polyurethane laminate
INSIGHT EQUITY A P X L P8 citations83
VISION EASE LENS INC
4 patentsUS7008568B2Mar 7, 2006
Photochromic naphthopyran compounds: compositions and articles containing those naphthopyran compounds
VISION EASE LENS INC47 citations92
US6608215B2Aug 19, 2003
Oxygen-containing heterocyclic fused naphthopyrans
VISION EASE LENS INC13 citations83
US6863843B2Mar 8, 2005
Naphthopyran compounds, photoresponsive compositions and lenses
VISION EASE LENS INC2 citations62
US6858732B2Feb 22, 2005
Photochromic benzodioxine fused naphthopyran compounds, compositions and articles containing those naphthopyran compounds
VISION EASE LENS INC3 citations62
VISION EASE LENS
3 patentsUS7036932B2May 2, 2006
Laminated functional wafer for plastic optical elements
VISION EASE LENS86 citations96
US6963003B2Nov 8, 2005
Oxygen-containing heterocyclic fused naphthopyrans
VISION EASE LENS12 citations83
US7074943B2Jul 11, 2006
Oxygen-containing heterocyclic fused naphthopyrans
VISION EASE LENS5 citations62