Patents by Inventor Shigeo Matsueda

Shigeo Matsueda 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).

  • Passenger conveyor apparatus
    Patent number: 4756398
    Abstract: A passenger conveyor apparatus comprises a plurality of steps endlessly connected to each other and guided along a circulating conveyor path, each of the steps having a tread on which a passenger stands and a riser adjacent the forward edge of the tread, at least a portion of the riser of the steps being constituted by a light transmissive material, and a light source for throwing light on the light transmissive material of the riser, the light source being disposed inside the circulating conveyor path.
    Type: Grant
    Filed: April 22, 1986
    Date of Patent: July 12, 1988
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Eiki Watanabe, Shigeo Matsueda, Shigeharu Kitamura
  • Driving unit for passenger conveyor system
    Patent number: 4738346
    Abstract: A passenger conveyor system is provided with a driving unit disposed at an upper horizontal portion of the system and a linear motor disposed at a midway portion of the system for driving the passenger conveyor, thereby not requiring the provision of expensive linear motors over a full rise of the system, and adding a linear motor to only a portion of the conventional system, while the comfort of the passengers is considerably improved.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: April 19, 1988
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shigeo Matsueda, Eiki Watanabe, Takeshi Sakurada