Patents by Inventor Etsuo Mori

Etsuo Mori 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).

  • Phosphors and X-ray image converters using the same
    Patent number: 4138529
    Abstract: A complex halide phosphor represented by the following composition formula and an X-ray image converter using the same:(Me.sub.1-f,Mg.sub.f )F.sub.2.aMe' X.sub.2.bKX'.cMe" SO.sub.4 :dEu.sup.2+,eTb.sup.3+wherein Me, Me' and Me" each represents at least one of the alkaline earth metals of the group consisting of barium, strontium and calcium; X and X' each represents at least one of chlorine and bromine; and a, b, c, d, e and f are numbers defined by one of the following five combinations:1. 0.80.ltoreq.a.sub.1 .ltoreq.1.50, 0.10.ltoreq.b.sub.1 .ltoreq.1.50, c.sub.1 =0, 0.001.ltoreq.d.sub.1 .ltoreq.0.20, e.sub.1 =0 and f.sub.1 =0.2. 0.30.ltoreq.a.sub.2 .ltoreq.1.50, 0.10.ltoreq.b.sub.2 .ltoreq.2.00, 0.01.ltoreq.c.sub.2 .ltoreq.1.00, 0.001.ltoreq.d.sub.2 .ltoreq.0.20, e.sub.2 =0 and f.sub.2 =0.3. a.sub.3 =1, b.sub.3 =0, c.sub.3 =0, 0.01.ltoreq.d.sub.3 .ltoreq.0.10, 0<e.sub.3 .ltoreq.0.05 and f.sub.3 =0.4. a.sub.4 =1, b.sub.4 =0, c.sub.4 =0, 0.001.ltoreq.d.sub.4 .ltoreq.0.20, e.sub.4 =0 and 0<f.sub.4 .
    Type: Grant
    Filed: June 16, 1977
    Date of Patent: February 6, 1979
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Etsuo Mori, Keiji Shimiya, Norio Miura, Yujiro Suzuki
  • X-Ray intensifying screens
    Patent number: 4109152
    Abstract: An X-ray intensifying screen having a high speed and capable of providing good image quality superior in sharpness, granularity and contrast comprising a support having formed thereon a fluorescent layer composed of a complex halide phosphor represented by the composition formula shown below and having further formed on the fluorescent layer another fluorescent layer composed of a calcium tungstate phosphor:(Me.sub.1-f, Mg.sub.f)F.sub.2 .multidot.aMe'X.sub.2 .multidot.bKX'.multidot.cMe"SO.sub.4 :dEu.sup.2+,eTb.sup.3+wherein Me, Me' and Me" each represents at least one of the alkaline earth metals of the group consisting of barium, strontium and calcium; X and X' each represents at least one of chlorine and bromine; and a, b, c, d, e and f are the numbers defined by one of the following five combinations:1. 0.80.ltoreq.a.sub.1 .ltoreq.1.50, 0.10.ltoreq.b.sub.1 .ltoreq.1.50, c.sub.1 .dbd.0, 0.001.ltoreq.d.sub.1 .ltoreq.0.20, e.sub.1 .dbd.0 and f.sub.1 .dbd.0;2. 0.30.ltoreq.a.sub.2 .ltoreq.1.50, 0.10.ltoreq.b.
    Type: Grant
    Filed: July 26, 1977
    Date of Patent: August 22, 1978
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Yuji Aoki, Keiji Shimiya, Norio Miura, Etsuo Mori, Yujiro Suzuki