Patents by Inventor Hajime Asatsuma

Hajime Asatsuma 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).

  • Golf club head
    Patent number: D719625
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: December 16, 2014
    Assignee: Dunlop Sports Co., Ltd.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D728047
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: April 28, 2015
    Assignee: Dunlop Sports Co. Ltd.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D738448
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: September 8, 2015
    Assignee: Dunlop Sports Co., Ltd.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D741429
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: October 20, 2015
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D767700
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: September 27, 2016
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D767701
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: September 27, 2016
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D767702
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: September 27, 2016
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D767703
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: September 27, 2016
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D767704
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: September 27, 2016
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D780867
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: March 7, 2017
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D781387
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: March 14, 2017
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D798404
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: September 26, 2017
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D798405
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: September 26, 2017
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D798406
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: September 26, 2017
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D859550
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: September 10, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D859551
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: September 10, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D861097
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: September 24, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D861098
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: September 24, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D861812
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: October 1, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Hajime Asatsuma
  • Golf club head
    Patent number: D861813
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: October 1, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Hajime Asatsuma