Patents by Inventor Yasuhisa Shioda

Yasuhisa Shioda 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: 6305499
    Abstract: An elevator system (10) includes an elevator car (18) supported for vertical movement on a belt (16) having an end fixed to the hoistway (26) and the other end wound about a drum (32) of a drum drive (12). When the belt (16) is wound or unwound about the drum (32), the elevator car (18) is raised or lowered, respectively.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: October 23, 2001
    Assignee: Otis Elevator Company
    Inventors: David W. Jones, Yuji Kanzaki, Tadaaki Nabetani, Toshimitsu Mori, Shusaku Shibasaki, Yasuhisa Shioda, Hiroaki Tateno
  • Patent number: 6085874
    Abstract: An elevator system includes a counterweight assembly having a plurality of drive machines having integrally formed drive wheels adapted to frictionally engaged a guide rail for driving the counterweight assembly along the guide rail to effect movement of an elevator car.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: July 11, 2000
    Assignee: Otis Elevator Company
    Inventors: Yasunobu Uchino, Kenji Nakagawa, Hirofumi Yuda, Masaharu Ueda, Yasuhisa Shioda, Takayuki Nagashima