Patents by Inventor Tsuneaki Asahi

Tsuneaki Asahi 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).

  • Non-asbestos-based friction materials
    Publication number: 20040175544
    Abstract: A non-asbestos-based friction material for rotors and brake drums of aluminum alloy for automobiles or the like, which exhibits lower counter surface attack and excellent wear resistance, produced by forming and then curing a non-asbestos-based friction material composition comprising a fibrous base (A), binder (B) and filler (C) as the major ingredients, wherein the filler (C) is incorporated with 1 to 10% of abrasive particles having an average size of 0.5 to 10 &mgr;m and 4 to 20% of unvulcanized rubber, all percentages by volume based on the whole friction material.
    Type: Application
    Filed: November 26, 2003
    Publication date: September 9, 2004
    Inventors: Iwao Saikatsu, Kunio Shibata, Tsuneaki Asahi, Motoki Hiraoka, Yukio Shimokawa