Patents Assigned to Adco Koki Co., Ltd.
  • Patent number: 7559861
    Abstract: A table tennis racket includes a rubber (4) attached onto a blade (3) and easily removable without releasing any air-polluting gas. Opposing surfaces of the blade (3) and the rubber (4) have fine pores and lands of a micro-foam material, and the rubber (4) is removably held on the blade (3) with a vacuum suction force produced between the blade (3) and rubber (4) when pressed together.
    Type: Grant
    Filed: July 21, 2006
    Date of Patent: July 14, 2009
    Assignees: Adco Koki Co., Ltd.
    Inventors: Kiyotaka Yoshihara, Naoko Okada