Patents by Inventor Sadayuki Ohki

Sadayuki Ohki 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).

  • Indication element with protective layer and process for producing the same
    Patent number: 4869941
    Abstract: An indication element with a protective layer which comprises a receiving medium having an image in a desired pattern on one side thereof, said image being formed by transferring a transferable colored ink of a thermal transfer ink sheet to said receiving medium preferably by means of a thermal printer; and a laminating material laminated to the image-bearing side of said receiving medium, at least the surface layer of said receiving medium on the image-bearing side or at least the surface layer of said laminating material on the side in contact with said receiving medium being compatible with the vehicle of said transferable colored ink. The indication element has a clear image without defects caused by flowing of the image formed on the receiving medium. The production of the indication element can be automatized due to the formation of an image by means of a thermal printer.
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: September 26, 1989
    Assignee: Fuji Kagakushi Kogyo Co., Ltd.
    Inventor: Sadayuki Ohki