Patents by Inventor Yaichi Sawai

Yaichi Sawai 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).

  • Garage jack
    Publication number: 20010050359
    Abstract: The present invention provides a garage jack having satisfactory operating characteristics, in which an arm provided with a support plate may be rapidly operated in a substantially no-load operation of raising a support plate from its lowest height to a jack point, and in which an output to lift an object may be easily obtained when there is a load operation.
    Type: Application
    Filed: May 30, 2001
    Publication date: December 13, 2001
    Applicant: MASADA SEISAKUSHO CO., LTD.
    Inventors: Hiroyoshi Tominaga, Yaichi Sawai, Hisashi Asano
  • Garage jack
    Publication number: 20010050358
    Abstract: The present invention provides a garage jack provided with a dual cylinder mechanism for rapid traversing in which there is no fear that damage will be caused by an accidental load during rapid traverse and working of a hydraulic circuit is simple.
    Type: Application
    Filed: May 30, 2001
    Publication date: December 13, 2001
    Applicant: MASADA SEISAKUSHO CO., LTD.
    Inventors: Hiroyoshi Tominaga, Yaichi Sawai, Hisashi Asano