Patents Assigned to Sechang Instruments Co., Ltd.
  • Patent number: 8160822
    Abstract: An apparatus for measuring optimum water-quality and informing quality of water 100 measures an amount of impurities of water, keeps to renew an optimum value by a lowest amount of the impurities until the present use, compares the optimum value with the present amount of the impurities measured in the water and informs the result.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: April 17, 2012
    Assignees: Sechang Instruments Co., Ltd.
    Inventor: Seung June Song