Kunio Niwa

Person

  • Kobe, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Rubber composition for hollow ball and hollow ball

    • Patent number 11,618,813
    • Issue date Apr 4, 2023
    • Sumitomo Rubber Industries, Ltd.
    • Takehiko Hyodo
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Rubber composition for tennis ball and tennis ball

    • Patent number 11,492,463
    • Issue date Nov 8, 2022
    • Sumitomo Rubber Industries, Ltd.
    • Takehiko Hyodo
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Rubber composition for tennis ball

    • Patent number 11,078,348
    • Issue date Aug 3, 2021
    • Sumitomo Rubber Industries, Ltd.
    • Takehiko Hyodo
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Rubber composition for hollow ball and hollow ball

    • Patent number 10,940,369
    • Issue date Mar 9, 2021
    • Sumitomo Rubber Industries, Ltd.
    • Takehiko Hyodo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Shoe

    • Patent number 7,712,231
    • Issue date May 11, 2010
    • SRI Sports Limited
    • Ikuko Umezawa
    • A43 - FOOTWEAR
  • Information Patent Grant

    Racket

    • Patent number 7,431,673
    • Issue date Oct 7, 2008
    • SRI Sports Limited
    • Kunio Niwa
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racket frame

    • Patent number 7,273,430
    • Issue date Sep 25, 2007
    • SRI Sports Limited
    • Takeshi Ashino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Tennis racket

    • Patent number 7,137,912
    • Issue date Nov 21, 2006
    • SRI Sports Limited
    • Takeshi Ashino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racket frame

    • Patent number 7,074,142
    • Issue date Jul 11, 2006
    • SRI Sports Limited
    • Hiroyuki Takeuchi
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racket frame

    • Patent number 7,059,981
    • Issue date Jun 13, 2006
    • SRI Sports Limited
    • Takeshi Ashino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racket with reduced yoke rigidity

    • Patent number 6,688,997
    • Issue date Feb 10, 2004
    • Sumitomo Rubber Industries, Ltd.
    • Takeshi Ashino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Racket with vibration damping yoke

    • Patent number 6,663,514
    • Issue date Dec 16, 2003
    • Sumitomo Rubber Industries, Ltd.
    • Kunio Niwa
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Structural material and process for its production

    • Patent number 6,335,100
    • Issue date Jan 1, 2002
    • Sumitomo Rubber Industries, Ltd.
    • Ichiro Tominaga
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method of making a shock resistant tool comprising a fiber reinforc...

    • Patent number 5,424,021
    • Issue date Jun 13, 1995
    • Sumitomo Rubber Industries, Limited
    • Shinichi Nakade
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tennis racket frame

    • Patent number 5,114,145
    • Issue date May 19, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Tetsuo Yamaguchi
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Speaker diaphragm

    • Patent number 5,102,729
    • Issue date Apr 7, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Tetsuo Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Reaction injection machine utilizing a plurality of reactant liquids

    • Patent number 5,082,437
    • Issue date Jan 21, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Hiroomi Matsushita
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    TENNIS BALL CONTAINER

    • Publication number 20240140672
    • Publication date May 2, 2024
    • Sumitomo Rubber Industries, Ltd.
    • Ryohei HIROSE
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    AQUEOUS ADHESIVE FOR RUBBER AND AQUEOUS ADHESIVE FOR BALL

    • Publication number 20220275257
    • Publication date Sep 1, 2022
    • Sumitomo Rubber Industries, Ltd.
    • Takehiko HYODO
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    STRING FOR USE IN RACKET

    • Publication number 20210346769
    • Publication date Nov 11, 2021
    • Sumitomo Rubber Industries, Ltd.
    • Yuko SAKURAI
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    RUBBER COMPOSITION FOR TENNIS BALL

    • Publication number 20200190289
    • Publication date Jun 18, 2020
    • Sumitomo Rubber Industries, Ltd.
    • Takehiko Hyodo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    RUBBER COMPOSITION FOR TENNIS BALL AND TENNIS BALL

    • Publication number 20200157321
    • Publication date May 21, 2020
    • Sumitomo Rubber Industries, Ltd.
    • Takehiko Hyodo
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    ADHESIVE FOR TENNIS BALL

    • Publication number 20200109318
    • Publication date Apr 9, 2020
    • Sumitomo Rubber Industries, Ltd.
    • Takehiko HYODO
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    RUBBER COMPOSITION FOR HOLLOW BALL AND HOLLOW BALL

    • Publication number 20190126104
    • Publication date May 2, 2019
    • Sumitomo Rubber Industries, Ltd.
    • Takehiko Hyodo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    RUBBER COMPOSITION FOR HOLLOW BALL AND HOLLOW BALL

    • Publication number 20190127560
    • Publication date May 2, 2019
    • Sumitomo Rubber Industries, Ltd.
    • Takehiko Hyodo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Racket frame and racket

    • Publication number 20080015063
    • Publication date Jan 17, 2008
    • SRI Sports Limited
    • Takeshi Ashino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Shoe

    • Publication number 20070107258
    • Publication date May 17, 2007
    • SRI Sports Limited
    • Ikuko Umezawa
    • A43 - FOOTWEAR
  • Information Patent Application

    Racket

    • Publication number 20070026977
    • Publication date Feb 1, 2007
    • SRI Sports Limited
    • Kunio Niwa
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Tennis racket frame

    • Publication number 20060281590
    • Publication date Dec 14, 2006
    • SRI Sports Limited
    • Takeshi Ashino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Tennis racket

    • Publication number 20050266941
    • Publication date Dec 1, 2005
    • SRI Sports Limited
    • Takeshi Ashino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Racket frame

    • Publication number 20050043124
    • Publication date Feb 24, 2005
    • Hiroyuki Takeuchi
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Racket frame

    • Publication number 20050003912
    • Publication date Jan 6, 2005
    • Takeshi Ashino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Racket frame

    • Publication number 20030064838
    • Publication date Apr 3, 2003
    • Takeshi Ashino
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Racket frame

    • Publication number 20030036447
    • Publication date Feb 20, 2003
    • Kunio Niwa
    • A63 - SPORTS GAMES AMUSEMENTS