Patents by Inventor Hiroyuki Tashita

Hiroyuki Tashita 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).

  • Cutting blade and method of producing the same
    Patent number: 7060367
    Abstract: A blade with improved sharpness and durability is disclosed. The blade includes a base plate having an edge and a coating layer for coating the edge. The coating layer is formed of a material handling metal, and a tip of the coating layer is sharpened. It is preferred that an angle (Ba) between two tapered surfaces be between 15 to 45 degrees.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: June 13, 2006
    Assignee: Kai R&D Center Co., Ltd.
    Inventors: Katsuaki Yamada, Hiroshi Ohtsubo, Hiroyuki Tashita
  • Cutting blade and method of producing the same
    Publication number: 20040099120
    Abstract: A blade (1) with improved sharpness and durability is disclosed. The blade includes a base plate (3) having an edge and a coating layer (6) for coating the edge. The coating layer is formed of a material including metal, and a tip of the coating layer (2a) is sharpened. It is preferred that an angle (&bgr;a) between two tapered surfaces (7a, 8a) be between 15 to 45 degrees.
    Type: Application
    Filed: December 5, 2002
    Publication date: May 27, 2004
    Inventors: Katsuaki Yamada, Hiroshi Ohtsubo, Hiroyuki Tashita