Patents by Inventor Yamada YOSHIKAZU

Yamada YOSHIKAZU 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).

  • MOTION ANALYSIS METHOD, MOTION ANALYSIS PROGRAM, STORAGE MEDIUM THEREOF, MOTION ANALYSIS APPARATUS, AND MOTION ANALYSIS SYSTEM
    Publication number: 20170203211
    Abstract: A motion analysis method includes calculating a level of a swing using an output from an inertial sensor measuring the swing of exercise equipment on the basis of a relationship between a first angle formed between a tangential direction of a swing trajectory of a ball hitting portion of the exercise equipment at impact and a target hitting direction, and a second angle formed between a direction orthogonal to a hitting surface of the ball hitting portion at the impact and the target hitting direction.
    Type: Application
    Filed: December 22, 2016
    Publication date: July 20, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Akira KIRYU, Kenya KODAIRA, Tsuyoshi ITO, Norihisa HAGIWARA, Kazuhiro ITO, Yamada YOSHIKAZU