Patents by Inventor Yoji Tamaki

Yoji Tamaki 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).

  • Process for minimizing bitterness in citrus fruit juice
    Patent number: 5049402
    Abstract: Citrus fruit juice beverages with minimized bitterness can be obtained by treating citrus fruit juice under a pressure of at least 2000 Kg/cm.sup.2.
    Type: Grant
    Filed: January 23, 1990
    Date of Patent: September 17, 1991
    Assignee: Pokka Corporation
    Inventors: Yoji Tamaki, Osamu Mutsushika, Hiroaki Mieda
  • Coffee beans roasting device
    Patent number: 4860461
    Abstract: The roasting body is composed of a roasting body, a rotary drum supported on the inside of the roasting body to rotate in a horizontal attitude to accommodate and stir the coffee beans, infrared heaters disposed on the inner wall surface of the roasting body to surround the rotary drum in order to heat the coffee beans accommodated in the rotary drum by radiant heat, and a circulating path to circulate the hot air in the rotary drum into the roasting body in order to utilize the thermal energy effectively.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: August 29, 1989
    Assignees: Pokka Corporation, NGK Insulators Ltd
    Inventors: Yoji Tamaki, Takuya Kino, Takashi Ito, Akihiko Nakamura