Patents by Inventor Tatsuya Yamanashi

Tatsuya Yamanashi 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).

  • Patent number: 9155952
    Abstract: A tennis training apparatus is provided with a sheet supporting frame to be installed in a training place; a hit ball receiving sheet supported by the sheet supporting frame rises in an inclination state toward a distal end thereof; and a turning guide portion provided at an upper end of the hit ball receiving sheet in an eave shape curved toward a near side. When a ball hit by a player is received by the hit ball receiving sheet, the ball is turned by the turning guide portion to move downward along the hit ball receiving sheet and fly out of the hit ball receiving sheet as a returning ball. The returning ball bounces to return near the player. The hit ball receiving sheet is provided with a returning hit ball guiding structure where the player can select from one or more preferable hitting-back positions.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: October 13, 2015
    Inventor: Tatsuya Yamanashi
  • Publication number: 20120283046
    Abstract: To develop a novel tennis training apparatus which allows a player to master a right hitting form of a tennis and allows him/her to train at a high level when he/she has acquired a proficiency in tennis A tennis training apparatus according to the present invention is provided with a sheet supporting frame which can be installed in a proper training place; a hit ball receiving sheet supported by the sheet supporting frame so as to spread in an inclination state rising toward a distal end thereof; and a turning guide portion provided at an upper end of the hit ball receiving sheet in an eave shape curved toward a near side in side view, where after a hit ball which has been hit by a player is received by the hit ball receiving sheet, the ball is turned by the turning guide portion to move downward along the hit ball receiving sheet and fly out of the hit ball receiving sheet as a returning hit ball and the returning hit ball bounds on a base face of the training place to return near the player again, and the p
    Type: Application
    Filed: December 10, 2009
    Publication date: November 8, 2012
    Inventor: Tatsuya Yamanashi