Patents by Inventor Eiichi Nagayama

Eiichi Nagayama 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).

  • Stroke length regulator
    Patent number: 6276232
    Abstract: A stroke length regulator of small dimensions and simple construction, provided with a cam for converting an eccentric movement into a reciprocating movement, a cylindrical body around which this cam is fitted, and a crank member fitted slidably in this cylindrical body and having a cam guide portion for varying an eccentric position of the cam and an outer circumferential surface portion contacting an inner circumferential surface of the cylindrical body.
    Type: Grant
    Filed: January 13, 2000
    Date of Patent: August 21, 2001
    Assignee: Nikkiso Company Limited
    Inventors: Manabu Yokomichi, Eiichi Nagayama