Patents by Inventor Chika TSUZUKI

Chika TSUZUKI 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).

  • Segmented cutting type tipped saw blade
    Patent number: 11253935
    Abstract: A segmented cutting type tipped saw blade includes a first ridge tip, a second ridge tip, a first end tip, and a second end tip. A first end of the first end tip, a second end of the second end tip, a tip end of the first ridge tip, and a tip end of the second ridge tip project radially outward. A top bevel surface extending from the first end and a top bevel surface extending from the second end, a first bevel surface and a second bevel surface extending from the tip end of the first ridge tip and a first bevel surface and a second bevel surface extending from the tip end of the second ridge tip each have a top bevel angle of greater than or equal to 3° and less than or equal to 10°.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: February 22, 2022
    Assignee: KANEFUSA KABUSHIKI KAISHA
    Inventors: Yukiomi Nishikawa, Chika Tsuzuki, Tomoaki Watanabe
  • Segmented Cutting Type Tipped Saw Blade
    Publication number: 20210237181
    Abstract: A segmented cutting type tipped saw blade includes a first ridge tip, a second ridge tip, a first end tip, and a second end tip. A first end of the first end tip, a second end of the second end tip, a tip end of the first ridge tip, and a tip end of the second ridge tip project radially outward. A top bevel surface extending from the first end and a top bevel surface extending from the second end, a first bevel surface and a second bevel surface extending from the tip end of the first ridge tip and a first bevel surface and a second bevel surface extending from the tip end of the second ridge tip each have a top bevel angle of greater than or equal to 3° and less than or equal to 10°.
    Type: Application
    Filed: April 19, 2019
    Publication date: August 5, 2021
    Applicant: KANEFUSA KABUSHIKI KAISHA
    Inventors: Yukiomi NISHIKAWA, Chika TSUZUKI, Tomoaki WATANABE