Patents by Inventor Nozawa Hoshiteru

Nozawa Hoshiteru 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 metal oxysulfide regenerative material and regenerator
    Patent number: 7226543
    Abstract: A rare earth metal oxysulfide represented by a general formula R2O2S (R denotes one kind or two or more kinds of rare earth elements to be selected from a group of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, as wells as Y) is formed into spherical granules. The mean particle size of the granules is 0.05–1 mm and their relative density is 96% or over. The granules are used as a regenerative material at the liquid helium temperature.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: June 5, 2007
    Assignee: Konoshima Chemical Co., Ltd.
    Inventors: Yanagitani Takagimi, Nozawa Hoshiteru, Kagawa Katsunori
  • Rare earth metal oxysulfide cool storage material and cool storage device
    Publication number: 20040013593
    Abstract: A rare earth metal oxysulfide represented by a general formula R2O2S (R denotes one kind or two or more kinds of rare earth elements to be selected from a group of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, as wells as Y) is formed into spherical granules. The mean particle size of the granules is 0.05-1 mm and their relative density is 96% or over. The granules are used as a regenerative material at the liquid helium temperature.
    Type: Application
    Filed: July 29, 2003
    Publication date: January 22, 2004
    Inventors: Yanagitani Takagimi, Nozawa Hoshiteru, Kagawa Katsunori