Patents by Inventor Junichi Iteguchi

Junichi Iteguchi 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).

  • Dielectric ceramic composition and method of producing same, and a monolithic capacitor
    Patent number: 4642732
    Abstract: The ceramic dielectric composition can be fired in a reducing or nonoxidizing atmosphere and has the formula:(Ba.sub.1-x Sr.sub.x O).sub.a Ti.sub.1-y Zr.sub.y O.sub.2 +.alpha.((1-z)MnO+zCoO)+.beta.((1-t)A.sub.2 O.sub.5 +tL.sub.2 O.sub.3)+wSiO.sub.2,wherein:A=Nb, Ta, V;L=Y or a rare earth element;0.002.ltoreq.x+y+1.7.alpha.z.ltoreq.0.250;0.000.ltoreq.z.ltoreq.0.980;0.990.ltoreq.a.ltoreq.1.020;0.010.ltoreq..alpha..ltoreq.15.00 (mol %);0.01.ltoreq..beta./.alpha..ltoreq.0.55;0.000.ltoreq.t.ltoreq.0.980; and,0.002.ltoreq.w.ltoreq.1.00 (wt %).
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: February 10, 1987
    Assignee: TDK Corporation
    Inventors: Masaaki Ikeda, Wataru Takahara, Junichi Iteguchi, Hiroyuki Satoh, Shyuji Itoh