Patents by Inventor Etuo Minamihama

Etuo Minamihama 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: 5492593
    Abstract: A parts feeder for feeding parts that are disposed on a carrier having a base tape and an adhesive tape. Parts are disposed above holes which are formed at equal intervals on the base tape, and the parts are held by an adhesive tape adhered to a lower surface of the base tape. The feeder includes a pitched feeding mechanism for intermittently feeding the carrier tape at a predetermined pitch, a separating mechanism for separating the adhesive tape from the base tape in synchronization with the feeding of the carrier tape at an adhesive tape separating stage, and a pressing mechanism for pressing the parts disposed on the base tape against the base tape prior to the separation of the adhesive tape from the base tape at the adhesive tape separating stage.
    Type: Grant
    Filed: June 17, 1994
    Date of Patent: February 20, 1996
    Assignees: Asahi Kogaku Kabushiki Kaisha, Kabushiki Kaisha Toshiba, Japan Tobacco Inc., Asahi Kohki Co., Ltd.
    Inventors: Naotugu Ariga, Yukio Suzuki, Saburo Ogawa, Etuo Minamihama, Takayuki Akatsuka
  • Patent number: 5417542
    Abstract: A method and an apparatus for carrying a workpiece for improving efficiency in a workpiece carrying operation. In the apparatus, a moving member having a workpiece holding member is driven with a linear motion in a horizontal plane along a carrier passage, and the workpiece holding member is driven with a revolutional motion in a vertical plane around a revolution axis displaced from a center of the workpiece holding member, while the workpiece holding member maintains an orientation in which a holder holding the workpiece points downwards. The holder of the workplece holding member is controlled to sequentially carry out holding of the workpiece and releasing of the workpiece at lowest positions of the workpiece holding member in the revolutional motion, so as to realize a continuous workpiece carrying operation.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: May 23, 1995
    Assignees: Japan Tobacco, Kabushiki Kaisha Toshiba
    Inventors: Hisao Suzuki, Kazuhiro Tokitsu, Makoto Kasahara, Kiyoe Imai, Kouichi Yumita, Tadashi Munakata, Yoshinobu Ishikawa, Etuo Minamihama, Takatomo Izume, Yasuharu Ujiie, Masamichi Kato
  • Patent number: 5331731
    Abstract: A work mounting apparatus according to the present invention comprises a rotating drum divided into upper and lower drums, a head unit arranged on the outer periphery of the rotating drum or the lower drum, a circular work head attached to the head unit, and a suction nozzle protruding from the outer peripheral surface of the work head toward a workbench. While the lower drum is rotating, the suction nozzle of the work head repeats cycloid motion along the workbench with its posture or orientation kept fixed with respect to the workbench. While repeating the cycloid motion, the nozzle receives a work from a work feeder of the workbench by suction, and mounts the work on a printed board on the workbench. The work mounting apparatus further includes a balance weight for the work head, and a friction brake for applying a frictional force to the turning shaft of the work head, to thereby stabilize the turning motion of the work head.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: July 26, 1994
    Assignees: Japan Tobacco Inc., Kabushiki Kaisha Toshiba
    Inventors: Hisao Suzuki, Kazuhiro Tokitu, Tadashi Munakata, Yoshinobu Ishikawa, Takatomo Izume, Masamichi Kato, Etuo Minamihama
  • Patent number: 5307558
    Abstract: In a parts mounting apparatus, suction nozzles are mounted on a rotating carrier driven by a motor. With rotation of the rotating carrier, parts are sucked by the nozzles at a feed station and carried to a mounting station where the parts such as electronic parts are mounted on substrates, for example. A counter counts output pulses from an encoder mounted in the motor driving the rotating carrier. A microcomputer determines the rotational speed and rotational position of the rotating carrier from the count value of the counter. Based on the result of the determination, the microcomputer calculates a timing for delivering a signal for switching the nozzles between two different pneumatic states.
    Type: Grant
    Filed: September 23, 1992
    Date of Patent: May 3, 1994
    Assignees: Kabushiki Kaisha Toshiba, Japana Tobacco Inc.
    Inventors: Takatomo Izume, Koji Taira, Hiroshi Hohrai, Etuo Minamihama, Yasuharu Ujiie, Hisao Suzuki
  • Patent number: 5287616
    Abstract: A work mounting apparatus or component mounting apparatus according to the present invention comprises a lower drum of a rotating drum, a head unit arranged on the outer periphery of the lower drum, a circular work head or component head attached to the head unit, and a suction nozzle protruding from the outer peripheral surface of the work head toward a workbench. While the lower drum is rotating, the suction nozzle of the work head repeats cycloid motion along the workbench with its posture kept fixed with respect to the workbench. While repeating the cycloid motion, the nozzle receives a work or component, such as an electronic component from a work feeder of the workbench by suction, and mounts the work on a printed board on the workbench.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: February 22, 1994
    Assignees: Japan Tobacco Inc., Kabushiki Kaisha Toshiba
    Inventors: Hisao Suzuki, Takatomo Izume, Etuo Minamihama, Yasuharu Ujiie
  • Patent number: 5274908
    Abstract: A work or component mounting apparatus according to the present invention comprises a rotating drum arranged above a workbench and divided into upper and lower drums, a head unit detachably mounted to the lower drum of the rotating drum, a circular work head (or, in other words, a component head) attached to the head unit, a suction nozzle protruding from the outer peripheral surface of the work head toward the workbench, and a controller housed in the upper drum of the rotating drum for controlling the turning motion of the work head and the supply of suction pressure to the suction nozzle. While the lower drum is rotating, the suction nozzle of the work head repeats cycloid motion along the workbench with its posture kept fixed with respect to the workbench. While repeating the cycloid motion, the nozzle receives a work from a work feeder of the workbench by suction, and mounts the work on a printed board on the workbench.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: January 4, 1994
    Assignees: Japan Tobacco Inc., Kabushiki Kaisha Toshiba
    Inventors: Hisao Suzuki, Kouichi Yumita, Kazuhiro Tokitu, Tadashi Munakata, Yoshinobu Ishikawa, Etuo Minamihama, Koji Taira, Yasuharu Ujiie