Patents Assigned to Nihon Denshi Keiraku Kenkoukai, Inc.
  • 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