Patents by Inventor Katsuyuki Serizawa

Katsuyuki Serizawa 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).

  • Sliding mechanism and grease composition for sliding mechanisms
    Patent number: 9695378
    Abstract: A sliding mechanism includes first and second members slidable relative to each other and a grease composition interposed between the first and second members and containing a thickening agent and a base oil, wherein the grease composition contains lithium 12-hydroxystearate as the thickening agent and dioctyl sebacate and/or poly-?-olefin as the base oil; and wherein at least one of the first and second member has a sliding surface coated with a hard carbon film of diamond-like carbon.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: July 4, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Makoto Hayama, Terasu Yoshinari, Masanori Komaba, Yutaka Mabuchi, Yoshiteru Yasuda, Saburo Abe, Katsuyuki Serizawa, Tsuyoshi Higuchi
  • SLIDING MECHANISM AND GREASE COMPOSITION FOR SLIDING MECHANISMS
    Publication number: 20150072906
    Abstract: A sliding mechanism includes first and second members slidable relative to each other and a grease composition interposed between the first and second members and containing a thickening agent and a base oil, wherein the grease composition contains lithium 12-hydroxystearate as the thickening agent and dioctyl sebacate and/or poly-?-olefin as the base oil; and wherein at least one of the first and second member has a sliding surface coated with a hard carbon film of diamond-like carbon.
    Type: Application
    Filed: March 29, 2013
    Publication date: March 12, 2015
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Makoto Hayama, Terasu Yoshinari, Masanori Komaba, Yutaka Mabuchi, Yoshiteru Yasuda, Saburo Abe, Katsuyuki Serizawa, Tsuyoshi Higuchi