Patents by Inventor Shoichi Simada

Shoichi Simada 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: 5411385
    Abstract: Two oil passages are defined in a cylinder unit of a rotary compressor for feeding lubrication oil to front and rear bearings. The bearings bear a shaft of a rotor unit relative to the cylinder unit. At least one of the two oil passages is formed with an orifice which is defined by the cylinder unit.
    Type: Grant
    Filed: November 18, 1993
    Date of Patent: May 2, 1995
    Assignees: Calsonic Corporation, Seiko Seiki Co., Ltd.
    Inventors: Shinya Eto, Yoichi Okawa, Shoichi Simada, Makoto Ijiri