Patents by Inventor Kouichi Miyamoto

Kouichi Miyamoto 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: 4774866
    Abstract: A saw-blade guard arrangement in a motor driven chop saw which includes a new unit pivotally mounted for movement between an upper rest position and a lower operational position. The saw unit is pivotably connected to a hinging member through a pivot shaft, and the unit includes an upper safety guard, a motor casing integral with the upper guard, a saw blade fixed to a drive shaft connected to a motor shaft, and a lower guard rotatable to a first direction for covering a part of the saw blade when the saw unit is in the upper rest position and rotatable to a second direction when the unit is moved to the lower operational position.
    Type: Grant
    Filed: January 7, 1988
    Date of Patent: October 4, 1988
    Assignee: Ryobi Ltd.
    Inventors: Tomoshige Dehari, Kouichi Miyamoto
  • Patent number: D285083
    Type: Grant
    Filed: July 9, 1984
    Date of Patent: August 12, 1986
    Assignee: Ryobi Ltd.
    Inventor: Kouichi Miyamoto