Patents by Inventor Hannah Vu
Hannah 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: 20230161080Abstract: A patterned lens with abrasion resistance having a base layer hard coat and a top hard coat. The base layer hardcoat may be formed on a film or sheet and used in molding the patterned lens. The top hard coat may be applied after molding.Type: ApplicationFiled: November 23, 2022Publication date: May 25, 2023Applicant: HOYA Optical Labs of America, Inc.Inventors: Jeffrey Brown, David Olund, Hannah Vu, Jose A. Orozco Rodriguez, Griff Altmann
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Patent number: 11560500Abstract: The present invention pertains to polyurethane-urea based optical adhesives for formation of optical film laminates, optically functional film laminates, and ophthalmic or eyeglass lenses employing the same and methods for producing the same.Type: GrantFiled: August 10, 2018Date of Patent: January 24, 2023Assignee: HOYA Optical Labs of America, Inc.Inventors: Ping Fan, Hannah Vu, James Mulligan, Steven Harold Nahm, David J. Kissel, Richard Blacker
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Patent number: 11427754Abstract: Photochromic polyurethane laminates and methods for the formation of same 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.Type: GrantFiled: August 2, 2017Date of Patent: August 30, 2022Assignee: HOYA Optical Labs of America, Inc.Inventors: Ping Fan, Hannah 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: 20210208309Abstract: An ophthalmic lens incorporating an optically functional wafer having improved adhesion to a polymerized polyurea-urethane bulk lens resin.Type: ApplicationFiled: February 26, 2021Publication date: July 8, 2021Applicant: Vision Ease, LPInventors: Hannah Vu, David Olund, Sarawuth Seewattanangkoon, Ladawan Chantharadet, Harjit Bhambra, Tim Reynolds, Robin Kezar, Jeff Brown, Richard Blacker
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Publication number: 20210138694Abstract: An optical lens casting gasket, wafer, and system and method that provides for more efficient formation of optical lenses employing optically functional wafers.Type: ApplicationFiled: January 22, 2021Publication date: May 13, 2021Applicant: Vision Ease, LPInventors: David Olund, Sarawuth Seewattanangkoon, Hannah Vu, Ladawan Chantharadet, Pasin Pudsayapong, Harjit Bhambra, Jeff Brown, Richard Blacker
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Patent number: 10962684Abstract: An ophthalmic lens incorporating an optically functional wafer having improved adhesion to a polymerized polyurea-urethane bulk lens resin.Type: GrantFiled: May 11, 2017Date of Patent: March 30, 2021Assignee: Vision Ease, LPInventors: Hannah Vu, David Olund, Sarawuth Seewattanangkoon, Ladawan Chantharadet, Harjit Bhambra, Tim Reynolds, Robin Kezar, Jeff Brown, Richard Blacker
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Patent number: 10926434Abstract: An optical lens casting gasket, wafer, and system and method that provides for more efficient formation of optical lenses employing optically functional wafers.Type: GrantFiled: December 14, 2016Date of Patent: February 23, 2021Assignee: Vision Ease, LPInventors: David Olund, Sarawuth Seewattanangkoon, Hannah Vu, Ladawan Chantharadet, Pasin Pudsayapong, Harjit Bhambra, Jeff Brown, Richard Blacker
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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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Publication number: 20190248121Abstract: Photochromic polyurethane laminates and methods for the formation of same wherein a photochromic polyurethane layer of the laminate is interposed between two primer coated transparent resin sheets.Type: ApplicationFiled: April 26, 2019Publication date: August 15, 2019Applicant: Vision Ease, LPInventors: Hannah Vu, Ping Fan
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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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Patent number: 10315397Abstract: Photochromic polyurethane laminates and methods for the formation of same wherein a photochromic polyurethane layer of the laminate is interposed between two primer coated transparent resin sheets.Type: GrantFiled: August 29, 2016Date of Patent: June 11, 2019Assignee: Vision Ease, LPInventors: Hannah Vu, Ping Fan
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Publication number: 20190048237Abstract: The present invention pertains to polyurethane-urea based optical adhesives for formation of optical film laminates, optically functional film laminates, and ophthalmic or eyeglass lenses employing the same and methods for producing the same.Type: ApplicationFiled: August 10, 2018Publication date: February 14, 2019Applicant: Vision Ease, LPInventors: Ping Fan, Hannah Vu, James Mulligan, Steven Harold Nahm, David J. Kissel, Richard Blacker
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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: 20170329051Abstract: An ophthalmic lens incorporating an optically functional wafer having improved adhesion to a polymerized polyurea-urethane bulk lens resin.Type: ApplicationFiled: May 11, 2017Publication date: November 16, 2017Applicant: Vision Ease, LPInventors: Hannah Vu, David Olund, Sarawuth Seewattanangkoon, Ladawan Chantharadet, Harjit Bhambra, Tim Reynolds, Robin Kezar, Jeff Brown, Richard Blacker
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Publication number: 20170327736Abstract: Photochromic polyurethane laminates and methods for the formation of same 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.Type: ApplicationFiled: August 2, 2017Publication date: November 16, 2017Applicant: VISION EASE, LPInventors: Ping Fan, Hannah Vu
