Patents by Inventor Yoshio Azuma

Yoshio Azuma 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).

  • Sealing element with a protruding part approximately obliquely outward and a hermetic container using the same
    Patent number: 7413099
    Abstract: A fit-holding groove is formed by notching the outer periphery of a door element to be fitted to close a container body. A sealing element interposed between the container body and door element is composed of an endless portion to be fitted into the fit-holding groove, a protruding part projected from the peripheral corner of the endless portion, obliquely and outwardly with respect to the open front of the container body, forming a substantially acute angle between itself and the contact surface of the open front of the container body and a pair of fitting ribs projectively formed on the obverse surface of the endless portion so as to be fitted in contact with the compartmentalized inner wall of the fit-holding portion.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: August 19, 2008
    Assignees: Shin-Etsu Polymer Co., Ltd., Mitsubishi Cable Industries, Ltd.
    Inventors: Masato Takahashi, Yoshiaki Fujimori, Yoshio Azuma, Yasuyuki Nishimura, Naohiro Horita
  • Sealing element, hemetic container and sealing method thereof
    Publication number: 20020195455
    Abstract: A fit-holding groove is formed by notching the outer periphery of a door element to be fitted to close a container body. A sealing element interposed between the container body and door element is composed of an endless portion to be fitted into the fit-holding groove, a protruding part projected from the peripheral corner of the endless portion, obliquely and outwardly with respect to the open front of the container body, forming a substantially acute angle between itself and the contact surface of the open front of the container body and a pair of fitting ribs projectively formed on the obverse surface of the endless portion so as to be fitted in contact with the compartmentalized inner wall of the fit-holding portion.
    Type: Application
    Filed: November 30, 2001
    Publication date: December 26, 2002
    Applicant: Shin-Etsu Polymer Co., Ltd.
    Inventors: Masato Takahashi, Yoshiaki Fujimori, Yoshio Azuma, Yasuyuki Nishimura, Naohiro Horita
  • Jacket seal
    Patent number: 6357759
    Abstract: In order to achieve constantly stable, high seal performance without requiring high machining accuracy, and in order to provide a reusable jacket seal, the present invention discloses a jacket seal, wherein a projection is formed at a position of a metal jacket in opposite relationship with a seal surface of a member being sealed, a flat portion is formed in an elastic member within the metal jacket so as to be brought into surface-to-surface contact with a flange portion interior surface, and the vertex portion of the projection is formed flat.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: March 19, 2002
    Assignee: Mitsubishi Cable Industries, Ltd.
    Inventors: Yoshio Azuma, Takayoshi Mitsui, Takahiro Kariya