Patents by Inventor Ando Katsutoshi

Ando Katsutoshi 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).

  • Heat retaining sheet
    Patent number: 4438172
    Abstract: This invention relates to a heat retaining sheet comprising at least a web in which fibers containing polybutylene terephthalate as at least one of their components and having a substantially undrawn definite fiber length are mutually bonded, and which has small area shrinkage in boiling water. The present invention provides a heat retaining web which is particularly useful as the heat retaining material for batting or interlining for clothing, gloves, hats, bedclothes and so forth.
    Type: Grant
    Filed: January 27, 1982
    Date of Patent: March 20, 1984
    Assignee: Toray Industries, Inc.
    Inventors: Ando Katsutoshi, Nishiura Eiichi