Patents by Inventor Michikiyo Hiasa

Michikiyo Hiasa 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: 5899311
    Abstract: An apparatus for holding a spring of a clutch has a guide plate which is disposed in an annular recessed portion on a rear side of a clutch plate. A coil spring circumferentially extends in contact with the guide plate. A retainer has a pair of end surface holding portions to contact both ends of the coil spring and a peripheral holding portion to contact a periphery of the coil spring. The guide plate and the retainer are mounted on the clutch plate. A connecting piece is continuously provided on each circumferential end of the guide plate such that the connecting pieces are fit onto the end surface holding portions of the retainer.
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: May 4, 1999
    Assignees: Kabushiki Kaisha Yutaka Giken, NSK-Warner Kabushiki Kaisha
    Inventors: Shusuke Yamamoto, Michikiyo Hiasa, Hiroshi Yabe
  • Patent number: 5520269
    Abstract: A floating type brake disc assembly has a hub and an annular disc which is concentrically disposed around the hub. The hub and the disc have plural sets of connecting dents each set being opposingly provided in a connecting portion of the hub and the disc. A hollow pin which has a flange on one end is inserted into each set of the connecting dents such that the hub and the disc are connected together while allowing for a slight floating movement between the two members. The hollow pin has a thick-wall tube portion which lies next to the flange and is adapted to be inserted into each set of the connecting dents and a thin-wall tube portion which has an outer diameter smaller than that of the thick-wall tube portion and is provided next to the thick-wall portion away from the flange.
    Type: Grant
    Filed: August 18, 1995
    Date of Patent: May 28, 1996
    Assignee: Kabushiki Kaishia Yutaka Giken
    Inventors: Shusuke Yamamoto, Michikiyo Hiasa