Patents by Inventor Hisao Murakami

Hisao Murakami 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: 4823577
    Abstract: Disclosed is a method and apparatus for feeding a material to a hot forging machine in a forging line in which a coiled material is uncoiled, straightened, fed intermittently by pinch rollers through a heating device, cut by a cutting device and then fed into a hot forging machine. The method has the steps of preparing a driving device which drives the pinch rollers mechanically independently from the hot forging machine; picking up the timing of forging conducted by the hot forging machine as an electric signal, and controlling the driving device in accordance with the electric signal.
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: April 25, 1989
    Assignees: Sumimoto Metal Industries, Ltd., Sumitomo Heavy Industries, Ltd.
    Inventors: Yoshio Kawashima, Shunji Ogata, Masaaki Yokoyama, Masato Tomiku, Tsuneo Yamada, Tsutomu Kuno, Hisao Murakami, Hiroyuki Morimoto, Toyoshige Myojo, Kozo Watanabe, Toshihiro Tanaka
  • Patent number: 4761980
    Abstract: Disclosed is a method and apparatus for feeding a material to a hot forging machine in a forging line in which a coiled material is uncoiled, straightened, fed intermittently by pinch rollers through a heating device, cut by a cutting device and then fed into a hot forging machine. The method has the steps of preparing a driving device which drives the pinch rollers mechanically independently from the hot forging machine; picking up the timing of forging conducted by the hot forging machine as an electric signal, and controlling the driving device in accordance with the electric signal.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: August 9, 1988
    Assignees: Sumitomo Metal Industries, Ltd., Sumitomo Heavy Industries, Ltd.
    Inventors: Yoshio Kawashima, Shunji Ogata, Masaaki Yokoyama, Masato Tomiku, Tsuneo Yamada, Tsutomu Kuno, Hisao Murakami, Hiroyuki Morimoto, Toyoshige Myojo, Kozo Watanabe, Toshihiro Tanaka
  • Patent number: D250542
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: December 12, 1978
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventor: Hisao Murakami