Patents by Inventor Katsuo Matsunaga

Katsuo Matsunaga 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).

  • Publication number: 20040061249
    Abstract: In order to eliminate post-molding mounting of a bulb 3 and a terminals 7 using a socket, when molding of a side turn signal blinker 1 in a manner of die slide injection, a process to mount the bulb 3 and the terminals 7 to a housing 4 is provided between a process to separate a first and second dies 9 and 10 from each other, which has carried out a primary injection molding of a lens portion 2 and the housing 4 as semi-finished products, and a process in which the dies are slid, the lens portion 2 and the housing 4 are butted and the secondary injection is carried out; thereby post-molding mounting of the bulb and the terminals is eliminated and the side turn signal blinker 1 in which the bulb 3 and the terminals 7 have been inserted, is obtained.
    Type: Application
    Filed: May 9, 2003
    Publication date: April 1, 2004
    Inventors: Takao Umezawa, Yousuke Fukasawa, Katsuo Matsunaga, Hitoshi Konuma, Yoshihiro Takahashi
  • Patent number: 4598222
    Abstract: This disclosure depicts a direct current machine having an armature, in which a plurality of coils are opposed to each of a plurality of field poles and coil-wound in a special wave winding. In this special wave winding, each of the coils is divided into two or more divided coil members for the coil-winding, and coil sides associated with each other of each of these divided coil members are wound into slots adjacent to each other.
    Type: Grant
    Filed: December 4, 1984
    Date of Patent: July 1, 1986
    Assignee: Mitsuba Electric Manufacturing Co., Ltd.
    Inventors: Katsuo Matsunaga, Osami Kanbe, Hiroyuki Otaki