Patents by Inventor Yin Sang Lam
Yin Sang Lam 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: 20190001620Abstract: Provided herein is a method of making decorative articles such as seashells comprising the steps of providing an article; coating a first transparent protecting layer on the article; painting a decorative pattern layer on the first transparent protecting layer with an adhesive; covering the decorative pattern layer by metal powder to form a metal powder layer on the decorative pattern layer; curing partially or completely the adhesive to fix the metal powder on the decorative pattern layer; and forming at least one continuous metal layer on the metal powder layer by an electroplating method. Also provided herein are decorative articles such as seashells made by the methods disclosed herein.Type: ApplicationFiled: June 29, 2017Publication date: January 3, 2019Applicant: Kiao Wild Jewellery Holding Company LimitedInventor: Yin Sang Lam
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Publication number: 20170057159Abstract: Provided herein are methods of preparing eyewear products made of a cellulose ester, a nylon or a polyester by simple and inexpensive single-nozzle or multi-nozzle 3D printers, wherein the eyewear products have a continuous range of colors or a gradual color change. Also provided herein are eyewear products made of a cellulose ester, a nylon or a polyester prepared by the methods disclosed herein.Type: ApplicationFiled: August 27, 2015Publication date: March 2, 2017Applicant: OKIA OPTICAL CO., LTD.Inventors: Yin Sang LAM, Yan Zhang
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Patent number: 8828296Abstract: Disclosed herein are methods of making an eyeglass frame comprising a frame front and/or a pair of temples, wherein each of the frame front and temples independently comprises a top layer and a patterned layer having the shape of a frame front and/or a pair of temples, and wherein the patterned layer comprises a laminate and a design pattern on a surface of the laminate, the method comprising the steps of: a) providing a mold having a cavity, wherein the shape of the cavity corresponds to the shape of the frame front and/or the temples; b) setting the patterned layer for the frame front and/or the temples in the mold; and c) injecting a melt of a first polymer composition into the cavity to form the top layer. In some embodiments, at least one of the frame front and temples further comprises a bottom layer.Type: GrantFiled: September 21, 2011Date of Patent: September 9, 2014Assignee: Okia Optical Company, Ltd.Inventors: Yan Zhang, Yin Sang Lam
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Patent number: 8652385Abstract: An eyeglass frame including a thermoplastic sheet laminate incorporating transfer printing eyeglass decorative patterns and a one or more covering layers bonded thereto. A process for manufacturing an eyeglass frame including: preparing a thermoplastic sheet laminate incorporating eyeglass decorative patterns; bending said thermoplastic sheet laminate under heat and pressure forming a one or more intermediate products in a first mold; and bonding a one or more covering layers to the intermediate products from the bending step in a second mold.Type: GrantFiled: January 6, 2009Date of Patent: February 18, 2014Assignee: Okia Optical Company Ltd.Inventors: Yin Sang Lam, Yan Hui Zou, Yan Zhang
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Patent number: 8545010Abstract: The present invention relates to dual-lens eyeglasses including an eyeglass frame and two lens units permanently installed on the eyeglass frame. Each lens unit includes two lenses arranged in optical alignment with each other. The lenses can be optical lenses or sunglass lenses. The optical lenses can be selected from known lenses such as corrective lenses, myopic corrective lenses, reading glasses lenses, progressive lenses, etc. The sunglass lenses can be selected from polarized lenses, tinted lenses, or photochromic lenses. Without the use of sub-frames, two lens units are permanently installed on eyewires of the eyeglass frames, enhancing the integration effect of the eyeglass frames. In addition, each lens is directly fixed and installed on the eyeglass frames, so that the installation is reliable and the lenses will not fall off easily. Furthermore, the lenses can be easily installed on full-rim, half-rim or rimless eyeglass frame.Type: GrantFiled: October 24, 2011Date of Patent: October 1, 2013Assignee: Okia Optical Co. LtdInventors: Yin Sang Lam, Yan Zhang, Yousheng Wang
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Publication number: 20130069274Abstract: Disclosed herein are methods of making an eyeglass frame comprising a frame front and/or a pair of temples, wherein each of the frame front and temples independently comprises a top layer and a patterned layer having the shape of a frame front and/or a pair of temples, and wherein the patterned layer comprises a laminate and a design pattern on a surface of the laminate, the method comprising the steps of: a) providing a mold having a cavity, wherein the shape of the cavity corresponds to the shape of the frame front and/or the temples; b) setting the patterned layer for the frame front and/or the temples in the mold; and c) injecting a melt of a first polymer composition into the cavity to form the top layer. In some embodiments, at least one of the frame front and temples further comprises a bottom layer.Type: ApplicationFiled: September 21, 2011Publication date: March 21, 2013Applicant: OKIA Optical Company, Ltd.Inventors: Yan Zhang, Yin Sang Lam
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Publication number: 20120099074Abstract: The present invention relates to dual-lens eyeglasses including an eyeglass frame and two lens units permanently installed on the eyeglass frame. Each lens unit includes two lenses arranged in optical alignment with each other. The lenses can be optical lenses or sunglass lenses. The optical lenses can be selected from known lenses such as corrective lenses, myopic corrective lenses, reading glasses lenses, progressive lenses, etc. The sunglass lenses can be selected from polarized lenses, tinted lenses, or photochromic lenses. Without the use of sub-frames, two lens units are permanently installed on eyewires of the eyeglass frames, enhancing the integration effect of the eyeglass frames. In addition, each lens is directly fixed and installed on the eyeglass frames, so that the installation is reliable and the lenses will not fall off easily. Furthermore, the lenses can be easily installed on full-rim, half-rim or rimless eyeglass frame.Type: ApplicationFiled: October 24, 2011Publication date: April 26, 2012Applicant: OKIA OPTICAL COMPANY LIMITEDInventors: Yin Sang LAM, Yan ZHANG, Yousheng WANG
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Patent number: 7753518Abstract: Disclosed herein are eyeglass frames and eyeglass frame kits made from a polymer composition comprising PCTG, and eyeglasses comprising a pair of lenses mounted on the eyeglass frames or eyeglass frame kits disclosed herein. The polymer composition disclosed herein may optionally comprise one or more additives such as colorants and fillers.Type: GrantFiled: March 7, 2008Date of Patent: July 13, 2010Assignee: Okia Optical Co., LtdInventors: Yin Sang Lam, Yan Zhang
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Publication number: 20090174860Abstract: An eyeglass frame including a thermoplastic sheet laminate incorporating transfer printing eyeglass decorative patterns and a one or more covering layers bonded thereto. A process for manufacturing an eyeglass frame including: preparing a thermoplastic sheet laminate incorporating eyeglass decorative patterns; bending said thermoplastic sheet laminate under heat and pressure forming a one or more intermediate products in a first mold; and bonding a one or more covering layers to the intermediate products from the bending step in a second mold.Type: ApplicationFiled: January 6, 2009Publication date: July 9, 2009Applicant: Okia Optical Company, Ltd.Inventors: Yin Sang Lam, Yan Hui Zou, Yan Zhang
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Publication number: 20080218683Abstract: Disclosed herein are eyeglass frames and eyeglass frame kits made from a polymer composition comprising PCTG, and eyeglasses comprising a pair of lenses mounted on the eyeglass frames or eyeglass frame kits disclosed herein. The polymer composition disclosed herein may optionally comprise one or more additives such as colorants and fillers.Type: ApplicationFiled: March 7, 2008Publication date: September 11, 2008Applicant: OKIA Optical Company, Ltd.Inventors: Yin Sang Lam, Yan Zhang
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Patent number: D556228Type: GrantFiled: November 23, 2005Date of Patent: November 27, 2007Assignee: OKIA Optical Co., Ltd.Inventor: Yin Sang Lam