Patents Assigned to Koshi Arita
  • Highly electron-conductive composition
    Patent number: 4045375
    Abstract: Multiple oxides of the general formula (L.sub.1 -x Mx) (Q.sub.1 -y Ry)O.sub.3, in which L is an element of atomic number 57 - 71, M is an element of Ca, Sr or Ba, Q and R are mutually different elements of atomic number 21 - 30 or Zr, 0 .ltoreq. x < 1 and 0 < y < 1, have excellent electron-conductivity and thermal stability.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: August 30, 1977
    Assignee: Koshi Arita
    Inventor: Masao Komatu