Patents by Inventor Masazumi Miyoshi

Masazumi Miyoshi 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).

  • Transportable hopper and tank assembly
    Patent number: 4836421
    Abstract: A transportable hopper and tank positionable in an upright or a reclined position, which includes a tank side wall, a cover body located at a top end portion of the side wall when the tank is in the upright position, a discharging port formed in a lower portion of the tank in the upright position and having an area smaller than the cover body, and a discharge valve located adjacent the discharging port wherein the side wall includes an upper and lower vertical side wall and a second lower side wall positioned opposite the lower vertical side wall wherein the second lower side wall converges downwardly toward the lower vertical side wall when the tank is in the upright position.
    Type: Grant
    Filed: August 31, 1988
    Date of Patent: June 6, 1989
    Assignee: ISE Kaguku Kogyo Kabushiki Gaisha
    Inventors: Masazumi Miyoshi, Muneo Isayama, Shoichi Midorikawa, Akitada Ota
  • Hopper
    Patent number: D303265
    Type: Grant
    Filed: June 12, 1986
    Date of Patent: September 5, 1989
    Assignee: Ise Kagaku Kogyo Kabushiki Gaisha
    Inventors: Masazumi Miyoshi, Muneo Isayama