Patents by Inventor Iwao Teteishi

Iwao Teteishi 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).

  • Hermetic packaging apparatus
    Patent number: 4860523
    Abstract: The hermetic packaging apparatus comprises a nozzle for reducing pressure in a thermoplastic packaging bag containing certain contents, the nozzle reduces pressure in the packaging bag by the pressure control of the air pump and the water sucked from the contents is directed to a strainer tank. Thereafter, the nozzle moves backward, the opening of the packaging bag is heated by a heating element, and an airtight pressure connecting bar is pressured downward so that the opening portion is heat-sealed by the airtight pressure connecting bar and the sealing base.
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: August 29, 1989
    Assignees: Sharp Kabushiki Kaisha, Nihon Dennetsu Co., Ltd.
    Inventors: Iwao Teteishi, Yoshiyuki Ogura, Takeshi Hashimoto, Tuguyoshi Ritou, Katsufumi Kajiyama, Fumiaki Shimizu, Kenji Tanaka, Yutaka Aibara, Hiroaki Kataoka, Katsuya Nakai, Takashi Yoshikawa, Masaaki Kanamori, Masao Miyajima, Shuzo Seki, Sadanobu Takahashi