Patents by Inventor Yasohachi Takahashi

Yasohachi Takahashi 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).

  • Patent number: 4339143
    Abstract: This invention provides a pressure-sensitive recording material in which two color-forming components capable of forming a colored substance upon reaction with each other are formed on the surfaces of separate supports, for example paper sheets, as a transferable coated layer and a receptive coated layer respectively, said transferable coated layer being a layer of a hot-melt type coating containing one color-forming component, and said receptive coated layer being a layer having absorbent micropores and composed of microcapsules containing the other color-forming component, a fine powder and a binder. By stacking a plurality of such pressure-sensitive recording materials, they can be used as a pressure-sensitive recording business form.
    Type: Grant
    Filed: August 18, 1980
    Date of Patent: July 13, 1982
    Assignees: Mishima Paper Co., Ltd., Naigai Ink. Mgf. Co., Ltd.
    Inventors: Isamu Yoshino, Yasohachi Takahashi, Osamu Fujii