Patents by Inventor Takamasa Arikawa

Takamasa Arikawa 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: 5103965
    Abstract: A trolley is reciprocally moved along a guide. A work support, supported by the trolley, is vertically moved so that the lift mechanism can be made of a compact size, a light weight and highly reliable in operation thereby increasing the processing speed of the processing line and improving productivity.
    Type: Grant
    Filed: June 28, 1990
    Date of Patent: April 14, 1992
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Yoshio Takahashi, Mitsuo Sudo, Takamasa Arikawa, Kenji Nakamura, Izumi Sato, Katsuyuki Onogi, Takao Iura, Nobuji Ishida
  • Patent number: 5072823
    Abstract: A trolley is reciprocally moved along a guide. A work support, supported by the trolley, is vertically moved so that the lift mechanism can be made compact in size, or light weight and highly reliable in operation. Accordingly, the processing speed of the processing line is increased and the productivity is improved.
    Type: Grant
    Filed: June 27, 1990
    Date of Patent: December 17, 1991
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Yoshio Takahashi, Mitsuo Sudo, Takamasa Arikawa, Kenji Nakamura, Izumi Sato, Katsuyuki Onogi, Takao Iura, Nobuji Ishida
  • Patent number: 4995505
    Abstract: A trolley is reciprocably moved along a guide and work supported by the trolley is vertically moved by a lift mechanism and the lift mechanism is made compact in size, light in weight and highly reliable in operation, whereby the processing speed of a processing line can be increased and therefore productivity can be improved.
    Type: Grant
    Filed: October 20, 1988
    Date of Patent: February 26, 1991
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Yoshio Takahashi, Mitsuo Sudo, Takamasa Arikawa, Kenji Nakamura, Izumi Sato, Katsuyuki Onogi, Takao Iura, Nobuji Ishida