Patents by Inventor Yuji Isoda

Yuji Isoda 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).

  • Rare earth activated alkaline earth metal fluorohalide stimulable phosphor of tetradecahedral type
    Patent number: 5895604
    Abstract: Rare earth activated alkaline earth metal fluorohalide stimulable phosphors of tetradecahedral type are disclosed. The stimulable phosphors of tetradecahedral type are represented by the following formula (I):Ba.sub.1-x Ca.sub.x FBr.sub.1-y I.sub.y :aEu,bK,cCs (I)in which 0<x.ltoreq.0.03, 0<y.ltoreq.0.30, 0.0001.ltoreq.a.ltoreq.0.01, 0<b.ltoreq.0.001 and 0.ltoreq.c.ltoreq.0.001, respectively; or the following formula (II):Ba.sub.1-x Ca.sub.x FBr.sub.1-y I.sub.y :aEu,bK,cLi (II)in which 0<x.ltoreq.0.03, 0.ltoreq.y.ltoreq.0.30, 0.0001.ltoreq.a.ltoreq.0.01, 0<b.ltoreq.0.001 and 0.ltoreq.c.ltoreq.0.01, respectively. A radiation image storage panel employing the above phosphor is also disclosed.
    Type: Grant
    Filed: September 9, 1997
    Date of Patent: April 20, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Makoto Funabashi, Yuji Isoda