Patents by Inventor Hironori Ishizuka

Hironori Ishizuka 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: 5445534
    Abstract: In order to securely lock a male component in a female housing, a slidable member is provided on the male component and can be slid into a position wherein flexible arms on which a lock pawl or pawls are provided cannot flex to the degree that the pawls can disengage from the female housing. To reduce the overall height of the female housing, a rib is provided which extends into the mouth of the female housing and which is receivable in a slot formed in the leading edge of the male component. To shut out electromagnetic noise, metallic cover members are formed on the female housing and male component and arranged to electrically contact one another when the male component is inserted into the female housing. The metallic cover on the female housing is grounded.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: August 29, 1995
    Assignee: Oki Densen Kabushiki Kaisha
    Inventors: Hironori Ishizuka, Wataru Maruoka, Arifumi Tomikawa
  • Patent number: 5385484
    Abstract: A modular plug and cover therefor includes a plug body having an insert portion and a rear portion having an indentation. The rear portion receives a cable for connection to the insert portion. A cover for the modular plug is of a substantially rectangular configuration having an open end fitting over the rear portion of the plug body. The cover portion is engageable with the plug body such that an enclosed space is defined between an end of the rear portion of the plug and an opposing inner wall of the cover. The cover is further provided with a tapered projection on an inner surface thereof which corresponds to the location of the indentation and an access opening through which a cable connected to the modular plug is passed. The cover portion may also be engaged with the plug in an inverted state to change the direction in which the cable is oriented.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: January 31, 1995
    Assignees: Oki Electric Cable Co., Ltd., Oki Telecom
    Inventors: Alden S. Bartle, Michael A. Wise, Masao Sasaki, Hironori Ishizuka, Hideharu Kajizuka
  • Patent number: 5354212
    Abstract: A modular plug and cover therefor includes a plug body having an insert portion and a rear portion having an indentation. The rear portion receives a cable for connection to the insert portion. A cover for the modular plug is of a substantially rectangular configuration having an open end fitting over the rear portion of the plug body. The cover portion is engageable with the plug body such that an enclosed space is defined between an end of the rear portion of the plug and an opposing inner wall of the cover. The cover is further provided with a tapered projection on an inner surface thereof which corresponds to the location of the indentation and an access opening through which a cable connected to the modular plug is passed. The cover portion may also be engaged with the plug in an inverted state to change the direction in which the cable is oriented.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: October 11, 1994
    Assignees: Oki Electric Cable Co., Ltd., Oki Telecom
    Inventors: Alden S. Bartle, Michael A. Wise, Masao Sasaki, Hironori Ishizuka, Hideharu Kajizuka
  • Patent number: D328890
    Type: Grant
    Filed: December 28, 1990
    Date of Patent: August 25, 1992
    Assignee: Oki Densen Kabushiki Kaisha
    Inventors: Arifumi Tomikawa, Hironori Ishizuka, Wataru Maruoka