Patents by Inventor Kuniyasu Horiuchi

Kuniyasu Horiuchi 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).

  • Publication number: 20200139197
    Abstract: An object of the present invention is to provide a golf ball having excellent approach spin performance under a dry condition and excellent approach spin performance under a condition that there is grass between the golf ball and the club face. The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein the paint film is composed of at least one layer, and an outermost paint film layer located at the outermost layer of the golf ball contains, as a base resin, a polyurethane obtained by a reaction between (A) a polyisocyanate composition and (B) a polyol composition, and the outermost paint film layer has a dynamic friction coefficient of from 0.75 to 1.5 measured with a dynamic friction tester under specific conditions.
    Type: Application
    Filed: November 1, 2019
    Publication date: May 7, 2020
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventors: Kuniyasu HORIUCHI, Toshiyuki TARAO, Hidetaka INOUE
  • Publication number: 20200139198
    Abstract: An object of the present invention is to provide a golf ball having excellent approach spin performance under a dry condition and excellent approach spin performance under a condition that there is grass between the golf ball and the club face. The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein the paint film is composed of at least one layer, and an outermost paint film layer located at the outermost layer of the golf ball contains, as a base resin, a polyurethane obtained by a reaction between (A) a polyisocyanate composition and (B) a polyol composition, (B) the polyol composition contains a urethane polyol as a polyol component, and the outermost paint film layer has a dynamic friction coefficient of from 0.65 to 1.2 measured with a dynamic friction tester under specific conditions.
    Type: Application
    Filed: November 1, 2019
    Publication date: May 7, 2020
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventors: Kuniyasu HORIUCHI, Toshiyuki TARAO, Hidetaka INOUE
  • Publication number: 20200139199
    Abstract: An object of the present invention is to provide a golf ball having excellent approach spin performance under a dry condition and excellent approach spin performance under a condition that there is grass between the golf ball and the club face. The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein the paint film is composed of at least one layer, and an outermost paint film layer located at the outermost layer of the golf ball contains, as a base resin, a polyurethane obtained by a reaction between (A) a polyisocyanate composition and (B) a polyol composition, (B) the polyol composition contains a urethane polyol as a polyol component, and a loss tangent (tan ?) of the outermost paint film layer measured with a dynamic viscoelasticity measuring apparatus under specific conditions has a peak temperature in a range of from ?40° C. to 40° C.
    Type: Application
    Filed: November 1, 2019
    Publication date: May 7, 2020
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventors: Kuniyasu HORIUCHI, Toshiyuki TARAO, Hidetaka INOUE
  • Publication number: 20200038712
    Abstract: An object of the present invention is to provide a golf ball having improved ball speed or aerodynamic performance on a rainy day or the like by controlling the formulation of the paint film. The present invention provides a golf ball comprising a golf ball body and a paint film covering the golf ball body, wherein a paint film surface of the golf ball has a water contact angle A1 of 70° or more and a water sliding angle B1 of less than 50°. The present invention also provides a golf ball comprising a golf ball body and a paint film covering the golf ball body, wherein when a sheet consisting of a slab formed from a composition constituting a golf ball body surface and a coating film formed by applying a paint constituting the paint film on the slab is prepared, a coating film surface of the sheet has a water contact angle A2 of 90° or more and a water sliding angle B2 of less than 52°.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Kazuya KAMINO, Hidetaka INOUE, Kuniyasu HORIUCHI
  • Publication number: 20200040219
    Abstract: An object of the present invention is to provide a golf ball having improved spin performance on wedge shots under a wet condition such as rain by controlling the formulation of the paint film. The present invention provides a golf ball comprising a golf ball body and a paint film covering the golf ball body, wherein the paint film contains a base resin and a porous filler, and the porous filler contains SiO2 as a constituent in an amount of 50 mass % or more.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Kazuya Kamino, Hidetaka Inoue, Kuniyasu Horiuchi
  • Publication number: 20190282859
    Abstract: An object of the present invention is to provide a golf ball showing improved controllability on approach shots for less than 40 yards, in particular, on approach shots around the green (about 10 yards to 20 yards) and improved controllability on approach shots from the rough, and showing excellent shot feeling. The present invention provides a golf ball comprising a golf ball body and a paint film covering the golf ball body, wherein a loss tangent tans has a peak temperature of 50° C. or less and a peak height of less than 0.8, obtained by measuring dynamic viscoelasticity of the paint film under the following conditions: <Measuring Conditions> Measuring mode: tensile mode Measuring temperature range: from ?100° C. to 150° C. Temperature rising rate: 4° C./min Oscillation frequency: 10 Hz Measuring strain: 0.1.
    Type: Application
    Filed: June 7, 2019
    Publication date: September 19, 2019
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Hidetaka INOUE, Toshiyuki TARAO, Kuniyasu HORIUCHI
  • Patent number: 10357690
    Abstract: An object of the present invention is to provide a golf ball showing improved controllability on approach shots for less than 40 yards, in particular, on approach shots around the green (about 10 yards to 20 yards) and improved controllability on approach shots from the rough, and showing excellent shot feeling. The present invention provides a golf ball comprising a golf ball body and a paint film covering the golf ball body, wherein a loss tangent tan ? has a peak temperature of 50° C. or less and a peak height of less than 0.8, obtained by measuring dynamic viscoelasticity of the paint film under the following conditions: <Measuring conditions> Measuring mode: tensile mode Measuring temperature range: from ?100° C. to 150° C. Temperature rising rate: 4° C./min Oscillation frequency: 10 Hz Measuring strain: 0.1%.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: July 23, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Hidetaka Inoue, Toshiyuki Tarao, Kuniyasu Horiuchi
  • Patent number: 10286269
    Abstract: An object of the present invention is to provide a grip for sporting goods containing an acrylonitrile-butadiene based rubber as a base rubber and having an excellent grip performance and sustainability of grip performance under a wet condition. The present invention provides a grip for sporting goods comprising an outermost surface layer formed from a surface layer rubber composition, wherein the surface layer rubber composition contains (A) a base rubber and (B) a resin having a softening point in a range from 5° C. to 120° C., (A) the base rubber contains an acrylonitrile-butadiene based rubber, and (B) the resin is at least one type selected from the group consisting of a hydrogenated rosin ester, a disproportionated rosin ester, an ethylene-vinyl acetate copolymer, a coumarone resin, a phenol resin, a xylene resin and a styrene resin.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: May 14, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Hidetaka Inoue, Sho Goji, Kuniyasu Horiuchi, Kazuyoshi Shiga, Chiemi Mikura, Hitoshi Oyama, Toshiyuki Tarao, Hiroshi Hasegawa
  • Publication number: 20190126102
    Abstract: A golf ball 2 includes a main body 4 and a paint layer 6 positioned outside the main body 4. The main body 4 includes a spherical core 8, a mid layer 10 positioned outside the core 8, and a cover 12 positioned outside the mid layer 10. An outer surface of the paint layer 6 forms a surface of the golf ball 2. A contact angle CAw with respect to water measured on the surface of the golf ball 2 is not less than 70 degrees. The paint layer 6 is preferably formed from a resin composition. A preferable resin composition includes a polyurethane as a base resin and includes a silicone compound and/or a fluorine compound. Another preferable resin composition includes a silicone compound and/or a fluorine compound as a base resin and includes no polyurethane.
    Type: Application
    Filed: October 9, 2018
    Publication date: May 2, 2019
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Kazuya KAMINO, Hidetaka INOUE, Kuniyasu HORIUCHI
  • Publication number: 20190091517
    Abstract: An object of the present invention is to provide a golf ball showing increased controllability on approach shots for less than 40 yards and showing excellent shot feeling. In the inventive golf ball, the paint film is formed from a curing type paint composition including: a base material containing a polyrotaxane, and a curing agent containing a polyisocyanate, and wherein the polyrotaxane has a cyclodextrin, a linear molecule included in a cyclic structure of the cyclodextrin in a manner of piercing through the cyclic structure of the cyclodextrin, and a blocking group located at both ends of the linear molecule to prevent disassociation of the cyclodextrin, and at least a part of hydroxyl groups of the cyclodextrin is modified with a caprolactone chain via —O—C3H6—O— group.
    Type: Application
    Filed: November 30, 2018
    Publication date: March 28, 2019
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Hidetaka INOUE, Toshiyuki TARAO, Kuniyasu HORIUCHI
  • Patent number: 10238920
    Abstract: An object of the present invention is to provide a golf ball showing increased controllability on approach shots for less than 40 yards and showing excellent shot feeling. In the inventive golf ball, the paint film is formed from a curing type paint composition including: a base material containing a polyrotaxane, and a curing agent containing a polyisocyanate, and wherein the polyrotaxane has a cyclodextrin, a linear molecule included in a cyclic structure of the cyclodextrin in a manner of piercing through the cyclic structure of the cyclodextrin, and a blocking group located at both ends of the linear molecule to prevent disassociation of the cyclodextrin, and at least a part of hydroxyl groups of the cyclodextrin is modified with a caprolactone chain via —O—C3H6—O— group.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: March 26, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Hidetaka Inoue, Toshiyuki Tarao, Kuniyasu Horiuchi
  • Patent number: 10065092
    Abstract: An object of the present invention is to provide a golf club grip having excellent adhesion between the grip body and the grip end thereof, and excellent durability. The present invention provides a golf club grip comprising a cylindrical grip body having a cylindrical inner layer and a cylindrical outer layer covering the cylindrical inner layer, and a grip end provided on an butt side end of the cylindrical grip body, wherein the cylindrical outer layer is interposed in at least a part of a space between a butt side end edge of the cylindrical inner layer and the grip end.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: September 4, 2018
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Sho Goji, Chiemi Mikura, Kazuyoshi Shiga, Kuniyasu Horiuchi, Toshiyuki Tarao, Hidetaka Inoue, Hitoshi Oyama, Hiroshi Hasegawa
  • Patent number: 9919191
    Abstract: An object of the present invention is to provide a golf club grip showing a good feeling both at hitting and at waggling. The present invention provides a golf club grip comprising a cylindrical portion for inserting a shaft, wherein the cylindrical portion has a compression strain in a range from 46% to 55% at a compression stress of 20 kg/cm2, and a compression strain in a range from 63% to 69% at a compression stress of 120 kg/cm2.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: March 20, 2018
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventors: Hidetaka Inoue, Kuniyasu Horiuchi, Toshiyuki Tarao, Kazuyoshi Shiga, Sho Goji, Chiemi Mikura, Hitoshi Oyama, Hiroshi Hasegawa
  • Patent number: 9717965
    Abstract: An object of the present invention is to provide a golf club grip excellent in grip performance in a wet condition. The present invention provides a golf club grip formed from a rubber composition comprising a base rubber and a crosslinking agent, wherein the base rubber comprises a hydrogenated acrylonitrile-butadiene rubber and/or a carboxyl-modified acrylonitrile-butadiene rubber.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: August 1, 2017
    Assignee: DUNLOP SPORTS CO. LTD
    Inventors: Chiemi Mikura, Sho Goji, Kazuyoshi Shiga, Kuniyasu Horiuchi, Toshiyuki Tarao, Hidetaka Inoue, Hitoshi Oyama, Hiroshi Hasegawa
  • Publication number: 20170182386
    Abstract: An object of the present invention is to provide a grip for sporting goods containing an acrylonitrile-butadiene based rubber as a base rubber and having an excellent grip performance and sustainability of grip performance under a wet condition. The present invention provides a grip for sporting goods comprising an outermost surface layer formed from a surface layer rubber composition, wherein the surface layer rubber composition contains (A) a base rubber and (B) a resin having a softening point in a range from 5° C. to 120° C., (A) the base rubber contains an acrylonitrile-butadiene based rubber, and (B) the resin is at least one type selected from the group consisting of a hydrogenated rosin ester, a disproportionated rosin ester, an ethylene-vinyl acetate copolymer, a coumarone resin, a phenol resin, a xylene resin and a styrene resin.
    Type: Application
    Filed: December 23, 2016
    Publication date: June 29, 2017
    Applicant: Dunlop Sports Co. Ltd.
    Inventors: Hidetaka INOUE, Sho GOJI, Kuniyasu HORIUCHI, Kazuyoshi SHIGA, Chiemi MIKURA, Hitoshi OYAMA, Toshiyuki TARAO, Hiroshi HASEGAWA
  • Publication number: 20170144028
    Abstract: An object of the present invention is to provide a golf ball showing increased controllability on approach shots for less than 40 yards and showing excellent shot feeling. In the inventive golf ball, the paint film is formed from a curing type paint composition including: a base material containing a polyrotaxane, and a curing agent containing a polyisocyanate, and wherein the polyrotaxane has a cyclodextrin, a linear molecule included in a cyclic structure of the cyclodextrin in a manner of piercing through the cyclic structure of the cyclodextrin, and a blocking group located at both ends of the linear molecule to prevent disassociation of the cyclodextrin, and at least a part of hydroxyl groups of the cyclodextrin is modified with a caprolactone chain via —O—C3H6—O— group.
    Type: Application
    Filed: February 2, 2017
    Publication date: May 25, 2017
    Applicant: DUNLOP SPORTS CO. LTD.
    Inventors: Hidetaka INOUE, Toshiyuki TARAO, Kuniyasu HORIUCHI
  • Patent number: 9656126
    Abstract: An object of the present invention is to provide a golf ball showing increased controllability on approach shots for less than 40 yards and showing excellent shot feeling. In the inventive golf ball, the paint film is formed from a curing type paint composition including: a base material containing a polyrotaxane, and a curing agent containing a polyisocyanate, and wherein the polyrotaxane has a cyclodextrin, a linear molecule included in a cyclic structure of the cyclodextrin in a manner of piercing through the cyclic structure of the cyclodextrin, and a blocking group located at both ends of the linear molecule to prevent disassociation of the cyclodextrin, and at least a part of hydroxyl groups of the cyclodextrin is modified with a caprolactone chain via —O—C3H6—O— group.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: May 23, 2017
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventors: Hidetaka Inoue, Toshiyuki Tarao, Kuniyasu Horiuchi
  • Patent number: 9630077
    Abstract: An object of the present invention is to provide a grip for sporting goods excellent in tensile strength and having a light weight. The present invention provides a grip for sporting goods comprising a cylindrical portion composed of a cylindrical inner layer and a cylindrical outer layer covering the cylindrical inner layer, wherein the cylindrical inner layer is a porous rubber layer or a porous resin layer, and the cylindrical outer layer is formed from a rubber composition containing an acrylonitrile-butadiene based rubber.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: April 25, 2017
    Assignee: DUNLAP SPORTS CO. LTD.
    Inventors: Chiemi Mikura, Sho Goji, Kazuyoshi Shiga, Kuniyasu Horiuchi, Toshiyuki Tarao, Hidetaka Inoue, Hitoshi Oyama, Hiroshi Hasegawa
  • Patent number: 9586113
    Abstract: An object of the present invention is to provide a golf club grip comprising a layer containing a polar rubber and a layer containing a nonpolar rubber, and excellent in tensile strength. The present invention provides a golf club grip comprising a polar rubber layer and a nonpolar rubber layer, wherein the polar rubber layer is formed from a rubber composition containing a base rubber including a polar rubber in an amount of 50 mass % or more, the nonpolar rubber layer is formed from a rubber composition containing a base rubber including a nonpolar rubber in an amount of 50 mass % or more, the polar rubber layer and the nonpolar rubber layer are laminated via an interlayer formed from an interlayer composition containing an olefin rubber.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: March 7, 2017
    Assignee: Dunlop Sports Co. Ltd.
    Inventors: Sho Goji, Chiemi Mikura, Kazuyoshi Shiga, Kuniyasu Horiuchi, Toshiyuki Tarao, Hidetaka Inoue, Hitoshi Oyama, Hiroshi Hasegawa
  • Patent number: 9517386
    Abstract: An object of the present invention is to provide a golf ball traveling a great flight distance on driver shots.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: December 13, 2016
    Assignee: DUNLOP SPORTS CO., LTD.
    Inventors: Hidetaka Inoue, Toshiyuki Tarao, Kuniyasu Horiuchi, Kazumi Kodama, Keiichi Hattori, Kotaro Ryuo