Patents by Inventor Toru Isohata

Toru Isohata 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).

  • Liquid-absorbent sheet and method for storing food using the same
    Patent number: 5804241
    Abstract: A liquid-absorbent sheet containing a liquid-absorbing material capable of absorbing drips of food, wherein a part of the outer surface of the liquid-absorbent sheet is composed of a liquid-permeable film, a part of other outer surface thereof is composed of a liquid-semipermeable film, the liquid-semipermeable film is a liquid-impermeable film having formed therein pores, the diameter of the pore is in the range of from 0.05 mm to 0.5 mm, and the porosity of the pores is in the range of from 0.01% to 0.4%. The liquid-absorbent sheet effectively absorbs drips oozing from a drippy food to prevent deterioration in qualities of the food for a prolonged period of time.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: September 8, 1998
    Assignee: Showa Denko K.K.
    Inventor: Toru Isohata
  • Liquid-absorbent sheet and method for storing food using the same
    Patent number: 5789076
    Abstract: A liquid-absorbent sheet containing a liquid-absorbing material capable of absorbing drips of food, wherein a part of the outer surface of the liquid-absorbent sheet is composed of a liquid-permeable film, a part of other outer surface thereof is composed of a liquid-semipermeable film, the liquid-semipermeable film is a liquid-impermeable film having formed therein pores, the diameter of the pore is in the range of from 0.05 mm to 0.5 mm, and the porosity of the pores is in the range of from 0.01% to 0.4%. The liquid-absorbent sheet effectively absorbs drips oozing from a drippy food to prevent deterioration in qualities of the food for a prolonged period of time.
    Type: Grant
    Filed: May 7, 1997
    Date of Patent: August 4, 1998
    Assignee: Showa Denko K.K.
    Inventor: Toru Isohata