Patents by Inventor Susumu Tsuboi

Susumu Tsuboi 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).

  • Ceramic powder, yarn, cloth, molded product, water conditioner and soil conditioner
    Patent number: 6462119
    Abstract: Ceramic powders comprises powders of not more than 100 mesh which are obtained by forming a mixture including Al2O3 (alumina), SiO2 (silica), FeO (iron oxide), NaO (soda), MgO (magnesium oxide), KOH (potassium hydroxide) and NaCl (sodium chloride) into ceramic, followed by pulverization; and powders of not less than 99% purity selected from a group consisting of V (vanadium), Al (aluminum), Ti (titanium), Cr (chromium), Mn (Manganese), Fe (iron), Co (cobalt), Ni (nickel), P (phosphorus), Cu (copper), Zu (zinc), Y (yttrium), Mg (magnesium), S (sulfur), NFe (iron nitride), BrK (potassium bromide) and IRb (rubidium iodide).
    Type: Grant
    Filed: August 2, 1999
    Date of Patent: October 8, 2002
    Assignee: Nihon Denshi Keiraku Kenkoukai, Inc.
    Inventor: Susumu Tsuboi