Patents by Inventor Doo-Sang Ko

Doo-Sang Ko 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).

  • Patent number: 8492297
    Abstract: A device including a glass substrate made of a soda lime silica glass composition of: SiO2 (50˜75 wt %); Na2O (1˜8 wt %); K2O (1˜12 wt %); CaO (1˜12 wt %); ZrO2 (0˜8 wt %); SrO (0˜15 wt %); BaO (0˜12 wt %); MgO (0˜10 wt %); Al2O3 (0˜12 wt %); B2O3 (0˜3 wt %), wherein the total amount of Na2O and K2O is in the range of 5˜15 wt %, the total amount of CaO, MgO, SrO and BaO is in the range of 10˜25 wt %.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: July 23, 2013
    Assignee: SAGE Electrochromics, Inc.
    Inventors: Jun-Young Lee, Sei-Woong Yoo, Doo-Sang Ko, Marc Maurer
  • Publication number: 20120053044
    Abstract: A device including a glass substrate made of a soda lime silica glass composition of: SiO2 (50˜75 wt %); Na2O (1˜8 wt %); K2O (1˜12 wt %); CaO (1˜12 wt %); ZrO2 (0˜8 wt %); SrO (0˜15 wt %); BaO (0˜12 wt %); MgO (0˜10 wt %); Al2O3 (0˜12 wt %); B2O3 (0˜3 wt %), wherein the total amount of Na2O and K2O is in the range of 5˜15 wt %, the total amount of CaO, MgO, SrO and BaO is in the range of 10˜25 wt %.
    Type: Application
    Filed: August 31, 2010
    Publication date: March 1, 2012
    Applicant: SAINT GOBAIN GLASS FRANCE
    Inventors: Jun-Young Lee, Sei-Woong Yoo, Doo-Sang Ko, Marc Maurer