Patents by Inventor Daichi Yamakawa

Daichi Yamakawa 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).

  • Pick-up cartridge
    Patent number: D876429
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: February 25, 2020
    Assignee: AUDIO-TECHNICA CORPORATION
    Inventors: Aya Mashimo, Yosuke Takubo, Daichi Yamakawa, Shohei Araki