Patents by Inventor Yasuyuki Isowa

Yasuyuki Isowa 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).

  • Printing machine for corrugated board sheet
    Patent number: 5265535
    Abstract: Disclosed is a printing machine for corrugated board sheets, which is designed to facilitate the procedures of ink change in accordance with order changes in the printing of corrugated board sheets by using a low viscosity and quick-drying glycolic ink, in which the residual ink of the previous order can effectively be recovered so as to minimize the amount of the ink to be wasted.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: November 30, 1993
    Assignee: Kabushiki Kaisha Isowa
    Inventors: Yasuyuki Isowa, Takashi Hibino