Qin; Xuzhi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Qin; Xuzhi.The latest application filed is for "photochromic lens".
Company Profile
1.19.28
- Qin; Xuzhi - Hacienda Heights CA
Patent Activity
| Patent | Date |
|---|---|
| Photochromic polyurethane laminate Grant 11,420,426 - Qin , et al. August 23, 2 | 2022-08-23 |
| Photochromic Lens App 20200276778 - Qin; Xuzhi ; et al. | 2020-09-03 |
| Photochromic polyurethane laminate Grant 10,052,849 - Qin , et al. August 21, 2 | 2018-08-21 |
| Photochromic polyurethane laminate Grant 9,981,453 - Qin , et al. May 29, 2 | 2018-05-29 |
| Photochromic polyurethane laminate Grant 9,981,452 - Qin , et al. May 29, 2 | 2018-05-29 |
| Photochromic Polyurethane Laminate App 20160370518 - Qin; Xuzhi ; et al. | 2016-12-22 |
| Photochromic Polyurethane Laminate App 20160370517 - Qin; Xuzhi ; et al. | 2016-12-22 |
| Photochromic Polyurethane Laminate App 20160370516 - Qin; Xuzhi ; et al. | 2016-12-22 |
| Photochromic Polyurethane Laminate App 20150098057 - Qin; Xuzhi ; et al. | 2015-04-09 |
| Photochromic polyurethane laminate Grant 8,906,183 - Qin , et al. December 9, 2 | 2014-12-09 |
| Photochromic Lens App 20130127078 - Qin; Xuzhi ; et al. | 2013-05-23 |
| Photochromic Polyurethane Laminate App 20130126077 - Qin; Xuzhi ; et al. | 2013-05-23 |
| Photochromic lens Grant 8,367,211 - Qin , et al. February 5, 2 | 2013-02-05 |
| Photochromic polyurethane laminate Grant 8,298,671 - Qin , et al. October 30, 2 | 2012-10-30 |
| Photochromic Lens App 20110070432 - Qin; Xuzhi ; et al. | 2011-03-24 |
| Photochromic lens Grant 7,858,001 - Qin , et al. December 28, 2 | 2010-12-28 |
| Polarizing plate with melanin Grant 7,703,916 - Sugimura , et al. April 27, 2 | 2010-04-27 |
| Polarizing Plate With Melanin App 20080144176 - Sugimura; Hideyo ; et al. | 2008-06-19 |
| Laminated functional wafer for plastic optical elements Grant 7,377,639 - Boulineau , et al. May 27, 2 | 2008-05-27 |
| Polarizing plate with melanin Grant 7,354,150 - Sugimura , et al. April 8, 2 | 2008-04-08 |
| Photochromic Lens App 20070122626 - Qin; Xuzhi ; et al. | 2007-05-31 |
| Laminated functional wafer for plastic optical elements App 20060187411 - Boulineau; Michael S. ; et al. | 2006-08-24 |
| Oxygen-containing heterocyclic fused naphthopyrans Grant 7,074,943 - Qin July 11, 2 | 2006-07-11 |
| Laminated functional wafer for plastic optical elements Grant 7,036,932 - Boulineau , et al. May 2, 2 | 2006-05-02 |
| Photochromic naphthopyran compounds: compositions and articles containing those naphthopyran compounds Grant 7,008,568 - Qin March 7, 2 | 2006-03-07 |
| Polarizing plate with melanin App 20060039070 - Sugimura; Hideyo ; et al. | 2006-02-23 |
| Oxygen-containing heterocyclic fused naphthopyrans App 20060030673 - Qin; Xuzhi | 2006-02-09 |
| Polarizing plate and eyewear plastic article containing the same App 20050275943 - Sugimura, Hideyo ; et al. | 2005-12-15 |
| Oxygen-containing heterocyclic fused naphthopyrans Grant 6,963,003 - Qin November 8, 2 | 2005-11-08 |
| Method and device to enhance the readability of a liquid crystal display through polarized lenses App 20050237440 - Sugimura, Hideyo ; et al. | 2005-10-27 |
| Photochromic polyurethane laminate App 20050233153 - Qin, Xuzhi ; et al. | 2005-10-20 |
| Naphthopyran compounds, photoresponsive compositions and lenses Grant 6,863,843 - Hughes , et al. March 8, 2 | 2005-03-08 |
| Photochromic benzodioxine fused naphthopyran compounds, compositions and articles containing those naphthopyran compounds Grant 6,858,732 - Qin , et al. February 22, 2 | 2005-02-22 |
| Watch with mirror dial plate App 20050030836 - Burns, Tom ; et al. | 2005-02-10 |
| Photochromic plate containing melanin App 20050009964 - Sugimura, Hideyo ; et al. | 2005-01-13 |
| Polarizing plate and eyewear plastic article containing the same App 20040223221 - Sugimura, Hideyo ; et al. | 2004-11-11 |
| Oxygen-containing heterocyclic fused naphthopyrans App 20040215024 - Qin, Xuzhi | 2004-10-28 |
| Polyurethane laminates for photochromic lenses App 20040126587 - Maki, Alan ; et al. | 2004-07-01 |
| Laminated functional wafer for plastic optical elements App 20040125337 - Boulineau, Michael S. ; et al. | 2004-07-01 |
| Polarizing plate and plastic optical article App 20040105072 - Qin, Xuzhi ; et al. | 2004-06-03 |
| Photochromic benzodioxine fused naphthopyran compounds, compositions and articles containing those naphthopyran compounds App 20030168645 - Qin, Xuzhi ; et al. | 2003-09-11 |
| Oxygen-containing heterocyclic fused naphthopyrans Grant 6,608,215 - Qin August 19, 2 | 2003-08-19 |
| Photochromic naphthopyran compounds: compositions and articles containing those naphthopyran compounds App 20030146419 - Qin, Xuzhi | 2003-08-07 |
| Oxygen-containing heterocyclic fused naphthopyrans App 20030092918 - Qin, Xuzhi | 2003-05-15 |
| Novel naphthopyran compounds, photoresponsive compositions and lenses App 20020080451 - Hughes, Frank J. ; et al. | 2002-06-27 |
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