Patents by Inventor Akira Shiono

Akira Shiono 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 of desensitizing a pressure sensitive recording sheet and the product thereof
    Patent number: 3931430
    Abstract: The pressure sensitive recording sheet is partially desensitized by applying an improved desensitizer to a predetermined area thereof. The improved desensitizer comprises a reaction product produced by the reaction of ammonia, amines, diamines or polyamines with glycidyl esters or glycidyl ethers. The improved desensitizer is hydrophobic and soluble in an oil vehicle.
    Type: Grant
    Filed: November 7, 1973
    Date of Patent: January 6, 1976
    Assignee: Kanzaki Paper Mfg. Co. Ltd.
    Inventors: Tomonori Tada, Akira Shiono