Patents by Inventor Tetsushi Ashida

Tetsushi Ashida 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).

  • Method for removing residual hydrogen peroxide on a sterilized food package
    Patent number: 4368081
    Abstract: Packing material for foodstuff is sterilized with hydrogen peroxide. Residual hydrogen peroxide on the material is then removed by contacting the material with an anti-oxidant or reducing agent which is an approved food additive. L-ascorbic acid is preferred.
    Type: Grant
    Filed: August 20, 1981
    Date of Patent: January 11, 1983
    Assignee: Jujo Paper Co., Ltd.
    Inventors: Kunio Hata, Kihachiro Oshima, Isao Kano, Norio Matsukura, Hiroaki Umeda, Motoi Matsui, Tetsushi Ashida, Yoichi Nishiguchi, Nobushige Yasui