Patents by Inventor Hirokazu Yokozawa

Hirokazu Yokozawa 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: 5850684
    Abstract: A cable-end-portion bend forming device for an automatic connecting apparatus includes: a front guide roller and a rear guide roller for guiding a cable being fed out at two positions on front and rear sides of the device; and a front forming roller and a rear forming roller disposed between the two positions and supported rotatably by two supporting members, respectively, the front forming roller and the rear forming roller being adapted to approach positions of abutment, or substantial abutment, against the front guide roller and the rear guide roller, respectively, wherein at least the supporting member for supporting the rear forming roller is capable of moving the rear forming roller between a position in close proximity to the rear guide roller and a position spaced apart therefrom.
    Type: Grant
    Filed: February 8, 1995
    Date of Patent: December 22, 1998
    Assignees: Hirose Electric Co., Ltd., Sumitomo Wiring System, Ltd.
    Inventors: Toshikatsu Ichitou, Hideyuki Ishioka, Takahiro Okamura, Atsuro Nakamura, Shinichi Takehana, Hirokazu Yokozawa, Toshiharu Hizawa
  • Patent number: 5258613
    Abstract: A machine for mounting a ferrule on an optical fiber cable which includes a plurality of function units (11-17) arranged in a line, including a control and display unit (11) and an inserting unit (16) for inserting an optical fiber into a ferrule which has been injected with an adhesive; a plurality of pellets (21-29) for holding a ferrule and an optical fiber cable and traveling along the function units for circulation; a memory divided into a plurality of areas; a presence detector (13) for feeding the memory in a corresponding area with a failure signal if a ferrule or an optical fiber cable is not present on a pellet (23); an adhesive detector (15) for feeding the memory in a corresponding area with a failure signal if a predetermined amount of adhesive has not been injected into a ferrule; a projection detector (17) for feeding the memory in a corresponding area with a failure signal if a predetermined length of optical fiber does not project from a ferrule after the optical fiber has been inserted throu
    Type: Grant
    Filed: October 29, 1992
    Date of Patent: November 2, 1993
    Assignee: Hirose Electric Co., Ltd.
    Inventors: Kinjiro Okada, Hiromasa Shiraishi, Hirokazu Yokozawa, Shinichi Takehana, Norio Kobayashi