Patents by Inventor Yuzuru Ohtsuka

Yuzuru Ohtsuka 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).

  • Stimulable phosphor sheet
    Publication number: 20020047094
    Abstract: A stimulable phosphor sheet is formed by laminating two substantially identical transparent protective base sheets on either side of a stimulable phosphor layer. By this construction, said sheet requires no distinction of front and back surfaces, and a problem of confusing the front and back surfaces can be eliminated.
    Type: Application
    Filed: October 24, 2001
    Publication date: April 25, 2002
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventor: Yuzuru Ohtsuka
  • Method for removing extraction solvent from extraction residue trapped in an oil-and-fat extractor
    Patent number: 5344564
    Abstract: A method for removing an organic extraction solvent from an extraction residue, which is characterized in that an oil or fat is allowed to contact an extraction residue remaining in an oil-and-fat extractor which contains an organic solvent, and the oil or fat is then drawn out of said extractor. The procedures of allowing oil or fat to contact said residue and of drawing the oil or fat out of said extractor are repeated until the density of the solvent in the atmosphere of said extractor becomes lower than the lowest ignitable limit.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: September 6, 1994
    Assignees: Ajinomoto Co., Inc., Toyo Oil Mills Co., Inc.
    Inventors: Yuzuru Ohtsuka, Kiyoji Suzuki, Toru Nakamura