Patents by Inventor Yoshiyuki Kawatsu

Yoshiyuki Kawatsu 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: 4224098
    Abstract: An apparatus for producing paper tubes assembly for nursing seedlings in which pasted, cut pieces are transferred, piled and stuck together, the apparatus includes paste supplying mean which intermittently supplying to a flattened hollow paper tube or paper tape by means of cam mechanism, suction conveyer device conveying cut pieces cut from said flattened hollow tube or said paper tape and rotary transfer means which opposed arms are radically mounted around two rotary discs respectively, non-rotary carrier table and rotary carrier table simultaneously rotate with said arm revolution are supported between edge of said opposed arms on every other one said arm, said non-rotary and rotary carrier table keep horizontal while said arms revolute.
    Type: Grant
    Filed: August 13, 1979
    Date of Patent: September 23, 1980
    Assignee: Nippon Tensai Seito Kabushiki Kaisha
    Inventors: Shozo Oikawa, Reiji Takeda, Mamoru Sunaga, Yoshiyuki Kawatsu, Michinori Sakaki