Patents by Inventor Masamichi YANAGISAWA

Masamichi YANAGISAWA 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).

  • Lead-free glass and sealing material
    Patent number: 10118856
    Abstract: What is disclosed is a lead-free glass, which is a V2O5—TeO2—RO (at least one selected from the group consisting of MgO, CaO, SrO, and BaO)—ZnO glass and has a low softening point, comprising: 5-55 wt % of V2O5, 5-75 wt % of TeO2, 1-25 wt % of RO (at least one selected from the group consisting of MgO, CaO, SrO, and BaO) in total, 0.1-6 wt % of ZnO, and 0.1-3 wt % of R2O (at least one selected from the group consisting of Li2O, Na2O, and K2O) in total. This glass can be used as a sealing material providing fluidity which is capable of being sealed at a temperature of 400° C. or less.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: November 6, 2018
    Assignee: Central Glass Company, Limited
    Inventors: Masamichi Yanagisawa, Jun Hamada
  • Lead-Free Glass and Sealing Material
    Publication number: 20170349479
    Abstract: What is disclosed is a lead-free glass, which is a V2O5—TeO2—RO (at least one selected from the group consisting of MgO, CaO, SrO, and BaO)—ZnO glass and has a low softening point, comprising: 5-55 wt % of V2O5, 5-75 wt % of TeO2, 1-25 wt % of RO (at least one selected from the group consisting of MgO, CaO, SrO, and BaO) in total, 0.1-6 wt % of ZnO, and 0.1-3 wt % of R2O (at least one selected from the group consisting of Li2O, Na2O, and K2O) in total. This glass can be used as a sealing material providing fluidity which is capable of being sealed at a temperature of 400° C.
    Type: Application
    Filed: December 22, 2015
    Publication date: December 7, 2017
    Applicant: Central Glass Company, Limited
    Inventors: Masamichi YANAGISAWA, Jun HAMADA