Patents by Inventor Zenji Nagata

Zenji Nagata 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: 4959936
    Abstract: An apparatus for cutting bean curd into pieces of the fixed size and packing them. This apparatus does automatically transporting, cutting and packing of bean curd under water in a water tank. Therefore, this apparatus requires no manual operation, is sanitary, involves high production capacity and is free from production of bean curd of broken shape.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: October 2, 1990
    Assignee: Sanyo Shokuhin Kabushiki Kaisha
    Inventor: Zenji Nagata
  • Patent number: 4920844
    Abstract: An apparatus for cutting bean curd into pieces of the fixed size and packing them. This apparatus does automatically: the transporting, cutting and packing of bean curd under water in a water tank. Therefore, this apparatus requires no manual operation, is sanitary, involves high production capacity and is free from production of bean curd of broken shape.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: May 1, 1990
    Assignee: Sanyo Shokuhin Kabushiki Kaisha
    Inventor: Zenji Nagata
  • Patent number: 4771681
    Abstract: An apparatus for automatically manufacturing bean curd and at high production efficiency, free from sticking together of the cut pieces of bean curd and from the propagating of germs. This apparatus comprises a coagulating tank, a bean curd cutting device, a separating device and a packing device. Processes by these devices are carried out in hot water of the temperature at which various germs can not live so that bean curd in a germ-free condition can be produced. Unlike previous devices, both the cutting and packing devices function with hot water keeping the bean curd continuously covered. In this manner the integrity and cleanliness of the bean curd is maintained.
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: September 20, 1988
    Assignee: Sanyo Shokuhin Kabushiki Kaisha
    Inventor: Zenji Nagata
  • Patent number: 4770319
    Abstract: A coagulating box for use in making bean curd. This coagulating box is open at its top side and is openable at one of its shorter sides. The openable side comprises a detachable side plate whose height is slightly above the level of soybean milk to be put in a coagulating box at a time and a reinforcing plate. The detachable side plate can be detached or fixed by unlatching or latching. After soybean milk coagulates and a block of coagulated bean curd is cut into pieces of bean curd, the detachable side plate is detached and the coagulating box is put in a water tank and is placed on a conveyor to transfer cut pieces of bean curd in the box onto a conveyor by pulling the box up diagonally.
    Type: Grant
    Filed: April 1, 1987
    Date of Patent: September 13, 1988
    Assignee: Sanyo Shokuhin Kabushiki Kaisha
    Inventor: Zenji Nagata