Patents by Inventor Noritaka NAGAI

Noritaka NAGAI 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).

  • Percussion instrument
    Patent number: 11114071
    Abstract: Provided is a percussion instrument including a substantially cylindrical barrel and a weight fixed to the barrel. More specifically, a plurality of weights 5A to 5D may be provided on the inner circumferential surface of a shell 2 of a drum 1 (a percussion instrument). The weights 5A to 5D may be provided at positions where the weights 5A to 5D have four-fold rotational symmetry in the circumferential direction of the shell 2. The weights 5A to 5D may be each provided between lugs 3 that are provided adjacent to each other on the outer circumferential surface of the shell 2.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: September 7, 2021
    Assignee: YAMAHA CORPORATION
    Inventors: Ryuji Hashimoto, Noritaka Nagai, Banri Abe
  • PERCUSSION INSTRUMENT
    Publication number: 20190251934
    Abstract: Provided is a percussion instrument including a substantially cylindrical barrel and a weight fixed to the barrel. More specifically, a plurality of weights 5A to 5D may be provided on the inner circumferential surface of a shell 2 of a drum 1 (a percussion instrument). The weights 5A to 5D may be provided at positions where the weights 5A to 5D have four-fold rotational symmetry in the circumferential direction of the shell 2. The weights 5A to 5D may be each provided between lugs 3 that are provided adjacent to each other on the outer circumferential surface of the shell 2.
    Type: Application
    Filed: April 29, 2019
    Publication date: August 15, 2019
    Inventors: Ryuji HASHIMOTO, Noritaka NAGAI, Banri ABE