Patents by Inventor Hidetaka INOUE
Hidetaka INOUE 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).
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Patent number: 10946250Abstract: 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: GrantFiled: June 7, 2019Date of Patent: March 16, 2021Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Hidetaka Inoue, Toshiyuki Tarao, Kuniyasu Horiuchi
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Patent number: 10874907Abstract: An object of the present invention is to provide a golf ball travelling a great flight distance on driver shots, exhibiting an excellent spin performance on approach shots under a dry condition and a wet condition, and showing an excellent shot feeling and durability. The present invention provides a golf ball comprising a golf ball body having a spherical core, an intermediate layer and a cover, and a paint film composed of two or more layers, wherein a 10% elastic modulus difference (Min?Mout) between an innermost layer and an outermost layer of the paint film is 25 kgf/cm2 or more.Type: GrantFiled: April 20, 2018Date of Patent: December 29, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Kosuke Tachibana, Kazuya Kamino, Toshiyuki Tarao, Hidetaka Inoue
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Patent number: 10874911Abstract: 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: GrantFiled: October 9, 2018Date of Patent: December 29, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Kazuya Kamino, Hidetaka Inoue, Kuniyasu Horiuchi
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Publication number: 20200338397Abstract: An object of the present invention is to provide a golf ball travelling a great flight distance on driver shots on a rainy day and having excellent spin performance on approach shots. The present invention provides a golf ball comprising a golf ball body and a paint film covering the golf ball body and composed of at least one layer, wherein an outermost layer of the paint film is formed from a paint containing a polyol, a polyisocyanate, and a carbinol modified silicone oil different from the polyol compound.Type: ApplicationFiled: April 24, 2020Publication date: October 29, 2020Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Kazuya KAMINO, Hidetaka INOUE, Kuniyasu HORIUCHI, Kuniyuki NISHIKAWA
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Publication number: 20200338396Abstract: An object of the present invention is to provide a golf ball travelling a great flight distance on driver shots on a rainy day or the like and having excellent spin performance on approach shots. The present invention provides a golf ball comprising a golf ball body and a paint film covering the golf ball body and composed of at least one layer, wherein an outermost layer of the paint film is formed from a paint containing a curable silicone resin, a curing catalyst, and a reactive silicone oil.Type: ApplicationFiled: April 16, 2020Publication date: October 29, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Kazuya KAMINO, Hidetaka INOUE, Kuniyasu HORIUCHI, Kuniyuki NISHIKAWA
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Patent number: 10806969Abstract: 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: GrantFiled: November 30, 2018Date of Patent: October 20, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Hidetaka Inoue, Toshiyuki Tarao, Kuniyasu Horiuchi
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Publication number: 20200324169Abstract: A golf ball includes a core, a mid layer, and a cover. A ratio R1 calculated by mathematical formula (1): R1=(Df1?Df2)/(Df2?Df3) is not less than 5.00. A ratio R2 calculated by mathematical formula (2): R2=(T2*H2)/H3 is not less than 2.00. A ratio R3 calculated by mathematical formula (3): R3=D1/T3 is less than 50. In mathematical formulas (1) to (3), Df1 represents an amount of compressive deformation of the core, Df2 represents an amount of compressive deformation of a sphere including the core and the mid layer, Df3 represents an amount of compressive deformation of the golf ball, T2 represents a thickness of the mid layer, H2 represents a hardness of the mid layer, H3 represents a hardness of the cover, D1 represents a diameter of the core, and T3 represents a thickness of the cover.Type: ApplicationFiled: March 16, 2020Publication date: October 15, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Hidetaka INOUE, Kazuya KAMINO
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Publication number: 20200324170Abstract: A golf ball includes a core, a mid layer, and a cover. A ratio R1 calculated by mathematical formula (1): R1=(Df1?Df2)/(Df2?Df3) is not less than 5.00. A ratio R2 calculated by mathematical formula (2): R2=(T2*H2)/H3 is not less than 2.00. A ratio R3 calculated by mathematical formula (3): R3=D1/T3 is not less than 50. In mathematical formulas (1) to (3), Df1 represents an amount of compressive deformation of the core, Df2 represents an amount of compressive deformation of a sphere including the core and the mid layer, Df3 represents an amount of compressive deformation of the golf ball, T2 represents a thickness of the mid layer, H2 represents a hardness of the mid layer, H3 represents a hardness of the cover, D1 represents a diameter of the core, and T3 represents a thickness of the cover.Type: ApplicationFiled: March 16, 2020Publication date: October 15, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Hidetaka INOUE, Kazuya KAMINO
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Publication number: 20200308441Abstract: 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: ApplicationFiled: June 12, 2020Publication date: October 1, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Kazuya Kamino, Hidetaka Inoue, Kuniyasu Horiuchi
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Publication number: 20200306593Abstract: An object of the present invention is to provide a golf ball having excellent spin performance on approach shots under a wet condition and excellent spin performance on approach shots under a condition that there is grass between the golf ball and the club face.Type: ApplicationFiled: March 13, 2020Publication date: October 1, 2020Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Kuniyasu HORIUCHI, Toshiyuki TARAO, Hidetaka INOUE, Kazuya KAMINO
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Publication number: 20200306592Abstract: An object of the present invention is to provide a golf ball having excellent spin performance on approach shots under a wet condition and excellent spin performance on approach shots 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 composed of at least one layer and formed on a surface of the golf ball body, wherein an outermost layer of the paint film located at the outermost layer of the golf ball contains a base resin and a porous filler, the base resin contains a polyurethane obtained by a reaction between a polyisocyanate composition and a polyol composition, and the porous filler contains SiO2 in an amount of 50 mass % or more as a constituent component.Type: ApplicationFiled: March 13, 2020Publication date: October 1, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Kuniyasu HORIUCHI, Toshiyuki TARAO, Kazuya KAMINO, Hidetaka INOUE
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Patent number: 10723911Abstract: 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: GrantFiled: July 30, 2019Date of Patent: July 28, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Kazuya Kamino, Hidetaka Inoue, Kuniyasu Horiuchi
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Patent number: 10703888Abstract: An object of the present invention is to provide a golf ball resin composition having improved rebound resilience performance.Type: GrantFiled: November 13, 2017Date of Patent: July 7, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Takahiro Shigemitsu, Hidetaka Inoue
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Publication number: 20200206574Abstract: An object of the present invention is to provide a golf ball traveling a great flight distance and having a good shot feeling on long iron shots. The present invention provides a golf ball comprising a core, at least one intermediate layer covering the core and a cover covering the intermediate layer, wherein the core is formed from a core rubber composition containing (a) a base rubber containing a polybutadiene, (b) an ?,?-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, and (d) a terpene-based resin, and a material hardness (Hm) of the intermediate layer is higher than a material hardness (Hc) of the cover, and the material hardness (Hc) of the cover is less than 50 in Shore D hardness.Type: ApplicationFiled: December 24, 2019Publication date: July 2, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Hidetaka Inoue, Hironori Takihara, Hikaru Nagakura, Kai Hayashi
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Publication number: 20200139199Abstract: 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: ApplicationFiled: November 1, 2019Publication date: May 7, 2020Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Kuniyasu HORIUCHI, Toshiyuki TARAO, Hidetaka INOUE
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Publication number: 20200139197Abstract: 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: ApplicationFiled: November 1, 2019Publication date: May 7, 2020Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Kuniyasu HORIUCHI, Toshiyuki TARAO, Hidetaka INOUE
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Publication number: 20200139198Abstract: 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: ApplicationFiled: November 1, 2019Publication date: May 7, 2020Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Kuniyasu HORIUCHI, Toshiyuki TARAO, Hidetaka INOUE
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Patent number: 10632345Abstract: A golf ball includes a spherical core and a cover positioned outside the core. The core has an inner layer and an outer layer positioned outside the inner layer. The inner layer is obtained by crosslinking a rubber composition. The rubber composition of the inner layer includes a butyl-based rubber as a base rubber. The inner layer has a diameter Di of not less than 10 mm and not greater than 34 mm. A difference (H2?H0) between a Shore C hardness H2 at a surface of the outer layer and a Shore C hardness H0 at a central point of the inner layer is less than 35. Preferably, the butyl-based rubber is a polymer including an isobutylene unit and an isoprene unit, and a derivative thereof.Type: GrantFiled: January 3, 2019Date of Patent: April 28, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Hidetaka Inoue, Kazuya Kamino
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Patent number: 10569139Abstract: 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 indentation depth, measured when the paint layer 6 in a cross-section along a plane passing through a central point of the golf ball 2 is pressed by a force of 30 mgf in a direction perpendicular to the cross-section, is not less than 300 nm and not greater than 3000 nm. The paint layer 6 preferably has a thickness of not less than 5 ?m and not greater than 50 ?m.Type: GrantFiled: October 17, 2017Date of Patent: February 25, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Kazuya Kamino, Hidetaka Inoue, Toshiyuki Tarao
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Publication number: 20200038712Abstract: 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: ApplicationFiled: July 30, 2019Publication date: February 6, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Kazuya KAMINO, Hidetaka INOUE, Kuniyasu HORIUCHI