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Kiyofumi MATSUNAGA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Golf club head
    • Patent number 11,701,554
    • Issue date Jul 18, 2023
    • Sumitomo Rubber Industries, Ltd.
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head with sliding weight and cover
    • Patent number 11,684,830
    • Issue date Jun 27, 2023
    • Sumitomo Rubber Industries, Ltd.
    • Naruhiro Mizutani
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 11,534,665
    • Issue date Dec 27, 2022
    • Sumitomo Rubber Industries, Ltd.
    • Hiroshi Abe
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 10,912,969
    • Issue date Feb 9, 2021
    • Sumitomo Rubber Industries, Ltd.
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 10,898,770
    • Issue date Jan 26, 2021
    • Sumitomo Rubber Industries, Ltd.
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club hosel detachably coupled in a plurality of rotation posit...
    • Patent number 10,322,326
    • Issue date Jun 18, 2019
    • Sumitomo Rubber Industries, Ltd.
    • Naruhiro Mizutani
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club
    • Patent number 10,010,768
    • Issue date Jul 3, 2018
    • Sumitomo Rubber Industries, Ltd.
    • Naruhiro Mizutani
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 9,814,946
    • Issue date Nov 14, 2017
    • Dunlop Sports Co. Ltd.
    • Kota Yamasawa
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club
    • Patent number 9,724,572
    • Issue date Aug 8, 2017
    • Dunlop Sports Co. Ltd.
    • Naruhiro Mizutani
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club shaft
    • Patent number 9,566,485
    • Issue date Feb 14, 2017
    • Dunlop Sports Co. Ltd.
    • Hiroshi Hasegawa
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club
    • Patent number 9,480,890
    • Issue date Nov 1, 2016
    • Dunlop Sports Co. Ltd.
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club
    • Patent number 9,320,950
    • Issue date Apr 26, 2016
    • Dunlop Sports Co. Ltd.
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club
    • Patent number 9,295,885
    • Issue date Mar 29, 2016
    • Dunlop Sports Co. Ltd.
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club shaft
    • Patent number 9,211,454
    • Issue date Dec 15, 2015
    • Dunlop Sports Co. Ltd.
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number D733820
    • Issue date Jul 7, 2015
    • Dunlop Sports Co., Ltd.
    • Keith Dolezel
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Golf club head
    • Patent number D732127
    • Issue date Jun 16, 2015
    • Dunlop Sports Co. Ltd.
    • Keith Dolezel
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Golf club head
    • Patent number 8,992,339
    • Issue date Mar 31, 2015
    • SRI Sports Limited
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head and golf club
    • Patent number 8,876,633
    • Issue date Nov 4, 2014
    • SRI Sports Limited
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head and golf club
    • Patent number 8,864,604
    • Issue date Oct 21, 2014
    • Dunlop Sports Co. Ltd.
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Iron type golf club set
    • Patent number 8,771,100
    • Issue date Jul 8, 2014
    • SRI Sports Limited
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Wood-type golf club set
    • Patent number 8,371,955
    • Issue date Feb 12, 2013
    • SRI Sports Limited
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 8,333,667
    • Issue date Dec 18, 2012
    • SRI Sports Limited
    • Tomio Kumamoto
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Iron-type golf club head and golf club set
    • Patent number 7,892,106
    • Issue date Feb 22, 2011
    • SRI Sports Limited
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 7,614,964
    • Issue date Nov 10, 2009
    • SRI Sports Limited
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    GOLF CLUB HEAD WITH SLIDING WEIGHT AND COVER
    • Publication number 20230271066
    • Publication date Aug 31, 2023
    • Sumitomo Rubber Industries, Ltd.
    • Naruhiro MIZUTANI
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD
    • Publication number 20230101938
    • Publication date Mar 30, 2023
    • SUMITOMO RUBBER INDUSTRIES, LTD.
    • Hiroshi ABE
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD
    • Publication number 20220233921
    • Publication date Jul 28, 2022
    • Sumitomo Rubber Industries, Ltd.
    • Naruhiro MIZUTANI
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD AND GOLF CLUB
    • Publication number 20220226699
    • Publication date Jul 21, 2022
    • Sumitomo Rubber Industries, Ltd.
    • Naruhiro MIZUTANI
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Golf club head
    • Publication number 20220111264
    • Publication date Apr 14, 2022
    • Sumitomo Rubber Industries, Ltd.
    • Hiroshi ABE
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD
    • Publication number 20220032134
    • Publication date Feb 3, 2022
    • Sumitomo Rubber Industries, Ltd.
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD
    • Publication number 20210299525
    • Publication date Sep 30, 2021
    • Sumitomo Rubber Industries, Ltd.
    • Naruhiro MIZUTANI
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD
    • Publication number 20200121997
    • Publication date Apr 23, 2020
    • Sumitomo Rubber Industries, Ltd.
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD
    • Publication number 20200121998
    • Publication date Apr 23, 2020
    • Sumitomo Rubber Industries, Ltd.
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB
    • Publication number 20160310805
    • Publication date Oct 27, 2016
    • DUNLOP SPORTS CO. LTD.
    • Naruhiro MIZUTANI
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB
    • Publication number 20160263446
    • Publication date Sep 15, 2016
    • DUNLOP SPORTS CO. LTD.
    • Naruhiro MIZUTANI
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB
    • Publication number 20160228749
    • Publication date Aug 11, 2016
    • DUNLOP SPORTS CO. LTD.
    • Naruhiro MIZUTANI
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD
    • Publication number 20150265887
    • Publication date Sep 24, 2015
    • DUNLOP SPORTS CO. LTD.
    • Kota YAMASAWA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB
    • Publication number 20150038253
    • Publication date Feb 5, 2015
    • DUNLOP SPORTS CO. LTD.
    • Naruhiro MIZUTANI
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB
    • Publication number 20150031468
    • Publication date Jan 29, 2015
    • DUNLOP SPORTS CO. LTD.
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB
    • Publication number 20150031470
    • Publication date Jan 29, 2015
    • DUNLOP SPORTS CO. LTD.
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB
    • Publication number 20150031469
    • Publication date Jan 29, 2015
    • DUNLOP SPORTS CO., LTD.
    • Kota YAMASAWA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB
    • Publication number 20150011327
    • Publication date Jan 8, 2015
    • DUNLOP SPORTS CO. LTD.
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB SHAFT
    • Publication number 20140106895
    • Publication date Apr 17, 2014
    • DUNLOP SPORTS CO. LTD.
    • Hiroshi HASEGAWA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB STEEL SHAFT
    • Publication number 20130324289
    • Publication date Dec 5, 2013
    • DUNLOP SPORTS CO. LTD.
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB SHAFT
    • Publication number 20130231201
    • Publication date Sep 5, 2013
    • DUNLOP SPORTS CO. LTD.
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD AND GOLF CLUB
    • Publication number 20130109503
    • Publication date May 2, 2013
    • DUNLOP SPORTS CO. LTD.
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    IRON TYPE GOLF CLUB SET
    • Publication number 20120295729
    • Publication date Nov 22, 2012
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD AND GOLF CLUB
    • Publication number 20120270675
    • Publication date Oct 25, 2012
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD
    • Publication number 20120165115
    • Publication date Jun 28, 2012
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    WOOD-TYPE GOLF CLUB SET
    • Publication number 20100273566
    • Publication date Oct 28, 2010
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    GOLF CLUB HEAD
    • Publication number 20100137072
    • Publication date Jun 3, 2010
    • Tomio Kumamoto
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    IRON-TYPE GOLF CLUB HEAD AND GOLF CLUB SET
    • Publication number 20090247314
    • Publication date Oct 1, 2009
    • Kiyofumi MATSUNAGA
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Golf club head
    • Publication number 20080125246
    • Publication date May 29, 2008
    • SRI Sports Limited
    • Kiyofumi Matsunaga
    • A63 - SPORTS GAMES AMUSEMENTS