Patents by Inventor Norio Maruguchi

Norio Maruguchi 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).

  • Method of preventing edible oils and fats from deteriorating
    Patent number: 5298271
    Abstract: A method for preventing refined edible oils and fats from deteriorating during transportation and/or storage thereof over a prolonged period of time, wherein the refined edible oils and fats are stored and/or transported at all times under an atmosphere rich in nitrogen gas. This nitrogen-enriched atmosphere contains nitrogen in a concentration not lower than 99.5%.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: March 29, 1994
    Assignee: Fuji Oil Co., Ltd.
    Inventors: Shoichi Takashina, Takashi Hazama, Akira Kurooka, Norio Maruguchi, Hiroshi Iwasa, Masayoshi Saito