Patents by Inventor Issei Yunoki

Issei Yunoki 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: 4023724
    Abstract: A solder removing bit for use in melting solder by heat of the bit and for removing the solder by suction includes an elongated bit body having an inclined front surface. A suction bore extends the length of the body from a suction pipe opening at the rear end thereof and is exposed at the center of the inclined surface by a right-angled notch. A portion of the bore is left on one surface of the notch to form a slight groove which prevents blockage of the bore during use. A cross notch is provided across said surface of the right-angled notch to intersect the groove.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: May 17, 1977
    Assignee: Stanley Electric Co., Ltd.
    Inventors: Katumasa Wakita, Issei Yunoki, Mitunari Yoshida
  • Patent number: 3963897
    Abstract: A solder removing bit for use in melting solder by heat of the bit and for removing the solder by suction includes an elongated suction pipe having a suction bore extending therethrough with the pipe having an open end serving as an inlet to the bore. A tubular metallic bit surrounds the open end portion of the pipe and a tubular electric heater surrounds the bit. The end of the heater is spaced from the end of the bit to define a work contacting end portion on the bit. The end portion of the bit is provided with a coating of fused silica or porcelain enamel to render the end portion of the bit electrically insulative.
    Type: Grant
    Filed: May 9, 1974
    Date of Patent: June 15, 1976
    Assignee: Stanley Electric Co., Ltd.
    Inventors: Katumasa Wakita, Issei Yunoki, Mitunari Yoshida