Patents by Inventor Hao Vu
Hao Vu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230375751Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.Type: ApplicationFiled: August 2, 2023Publication date: November 23, 2023Applicant: HOYA Optical Labs Of America, Inc.Inventors: Hannah Vu, Hideyo Sugimura, Ping Fan, Hao Vu
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Patent number: 11754752Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.Type: GrantFiled: November 1, 2021Date of Patent: September 12, 2023Assignee: HOYA Optical Labs of America, Inc.Inventors: Hannah Vu, Hideyo Sugimura, Ping Fan, Hao Vu
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Publication number: 20220050226Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.Type: ApplicationFiled: November 1, 2021Publication date: February 17, 2022Applicant: Vision Ease, LPInventors: Hannah Vu, Hideyo Sugimura, Ping Fan, Hao Vu
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Patent number: 11181666Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.Type: GrantFiled: May 13, 2019Date of Patent: November 23, 2021Assignee: Vision Ease, LPInventors: Hannah Vu, Hideyo Sugimura, Ping Fan, Hao Vu
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Publication number: 20190265389Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.Type: ApplicationFiled: May 13, 2019Publication date: August 29, 2019Applicant: Vision Ease, LPInventors: Hannah Vu, Hideyo Sugimura, Ping Fan, Hao Vu
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Patent number: 10330828Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.Type: GrantFiled: December 11, 2017Date of Patent: June 25, 2019Assignee: Vision Ease, LPInventors: Hannah Vu, Hideyo Sugimura, Ping Fan, Hao Vu
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Publication number: 20180100951Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with an isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.Type: ApplicationFiled: December 11, 2017Publication date: April 12, 2018Applicant: Vision Ease, LPInventors: Hannah Vu, Hideyo Sugimura, Ping Fan, Hao Vu
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Patent number: 9869801Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with a isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.Type: GrantFiled: September 24, 2015Date of Patent: January 16, 2018Assignee: Vision Ease, LPInventors: Hannah Vu, Hideyo Sugimura, Ping Fan, Hao Vu
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Publication number: 20160011337Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with a isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.Type: ApplicationFiled: September 24, 2015Publication date: January 14, 2016Applicant: INSIGHT EQUITY A.P.X., LP (DBA VISION-EASE LENS)Inventors: Hannah Vu, Hideyo Sugimura, Ping Fan, Hao Vu
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Patent number: 9163108Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with a isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.Type: GrantFiled: July 31, 2012Date of Patent: October 20, 2015Assignee: Insight Equity A.P.X., L.P.Inventors: Hannah Vu, Hideyo Sugimura, Ping Fan, Hao Vu
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Publication number: 20130004775Abstract: A photochromic polyurethane laminate wherein the photochromic polyurethane layer of the laminate has been crosslinked with a isocyanate-active prepolymer using a crosslinking agent. The crosslinking agent is formulated to have at least three functional groups that are reactive with functional groups of the polyurethane or of the isocyanate-active prepolymer. A method of making the photochromic polyurethane laminate includes steps of causing the crosslinking.Type: ApplicationFiled: July 31, 2012Publication date: January 3, 2013Inventors: Hannah Vu, Hideyo Sugimura, Ping Fan, Hao Vu
