Patents by Inventor Yasumasa Ishizuka

Yasumasa 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).

  • Method of removing sheath from electric wire in intermediate region
    Patent number: 5226224
    Abstract: The points of second cutters (153) are disposed within a gap (E) generated by moving an electric wire (600a) longitudinally after the formation of a first slit (610), and subsequently the electric wire (600a) is moved longitudinally to form a split slit (620) for removing sheath in an intermediate region. The first slit (610) and a second slit (630) are formed at positions deviated in one direction respectively from both ends of the intermediate region (600S), and the electric wire is moved longitudinally with first cutters (103) remaining stuck in the sheath at one end thereof, so that waste strip is removed.
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: July 13, 1993
    Assignee: Shin Meiwa Industry Co., Ltd.
    Inventors: Yasumasa Ishizuka, Etsushi Shigetomo, Takahiro Asano