Patents by Inventor Yasui Ueda

Yasui Ueda 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).

  • Diazotype multicolor reproduction process
    Patent number: 3950171
    Abstract: This invention relates to a process for diazotype multicolor reproduction using an improved photosensitive material having a continuous thermoplastic resin pre-coated layer.
    Type: Grant
    Filed: April 24, 1974
    Date of Patent: April 13, 1976
    Assignee: Mita Industrial Co. Ltd.
    Inventors: Kouzi Nihyakumen, Yasui Ueda, Yasutoki Kamezawa, Tatsuo Aizawa