Patents by Inventor Daisuke HATOMOTO

Daisuke HATOMOTO 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).

  • Publication number: 20210114148
    Abstract: A flux for submerged arc welding is a sintered flux and is for use in high speed welding. In the flux, the following relationships of contents in mass percent are satisfied: CaF2: 10.0% to 20.0%, MgO: 8.0% to 15.0%, a sum of Na2O and K2O: 2.1% to 3.5%, MnO: 1.5% to 5.0%, FeO: 0.5% to 5.0%, SiO2: 10.0% to 20.0%, Al2O3: 13.0% to 28.0%, and TiO2: 13.0% to 28.0%. In addition, the following relationships are further satisfied: 65?(MgO+SiO2+Al2O3+TiO2)?75, and 0.5?(Al2O3/TiO2)?2.0.
    Type: Application
    Filed: March 19, 2019
    Publication date: April 22, 2021
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Daisuke HATOMOTO, Munenobu SATO