Patents by Inventor Tomoyasu Wada

Tomoyasu Wada 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).

  • Grease composition for constant velocity joints
    Patent number: 6894009
    Abstract: A grease composition for constant velocity joints, having a base oil and a urea-based thickener, which grease additionally contains, (A) molybdenum sulphide dialkyldithiocarbamate and (B) 5,5-dithiobis (1,3,4-thiadiazole-2-thiol); a method of lubricating a constant velocity joint including packing it with grease and a constant velocity joint packed with said grease.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: May 17, 2005
    Assignee: Shell Oil Company
    Inventors: Yasushi Kawamura, Kouichi Nakazawa, Noriaki Shinoda, Keiji Tanaka, Tetsuo Nimura, Kouji Saitou, Tomoyasu Wada
  • Grease composition for constant velocity joints
    Publication number: 20030027728
    Abstract: Grease composition for constant velocity joints, comprising a base oil and a urea-based thickener, which grease additionally contains, (A) molybdenum sulphide dialkyldithiocarbamate and (B) 5,5-dithiobis(1,3,4-thiadiazole-2-thiol); a method of lubricating a constant velocity joint comprising packing it with said grease; and a constant velocity joint packed with said grease.
    Type: Application
    Filed: August 27, 2002
    Publication date: February 6, 2003
    Inventors: Yasushi Kawamura, Kouichi Nakazawa, Noriaki Shinoda, Keiji Tanaka, Tetsuo Nimura, Kouji Saitou, Tomoyasu Wada