Patents by Inventor Michio Fujisawa

Michio Fujisawa 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: 4027345
    Abstract: A method of transfer printing, wherein a release layer is formed on a temporary support; printing a pattern on said release layer with an ink containing coloring matter therein to obtain a transfer sheet; superposing an article to be transfer-printed on the printed surface of said transfer sheet; heating the superposed aggregate under pressure to transfer the release layer with the pattern onto said article to be transfer-printed; fixing the coloring matter to said article, and then soaping said article to remove the release layer, characterized in that the release layer consists of (1) 10-90 wt. percent of one or more thermoplastic polymers having excellent film-forming properties and water-solubility or alkaline water solubility as well as organic solvent solubility and (2) 90 to 10 wt. percent of one or more plasticizers having a melting point between 30.degree. and 120.degree.
    Type: Grant
    Filed: June 12, 1975
    Date of Patent: June 7, 1977
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Michio Fujisawa, Hatsuo Matsumoto, Shuzo Sawada, Kiyoshi Yamane, Hideo Kato, Takayuki Shimizu, Shigeo Kato