Abstract: An object of the present invention is to provide a golf ball resin composition having a high resilience, flexibility and high fluidity. The present invention provides a golf ball resin composition having a bending stiffness (M21-30) ranging from 600 kgf/cm2 to 5,000 kgf/cm2 within a bending angle from 21° to 30°, a rebound resilience (R) of 50% or more, a slab hardness (Shore D) ranging from 40 to 65, a melt flow rate (190° C., 2.16 kgf) of 1.0 g/10 min or more, and a resilience index value ((M21-30)0.5×(R/100)3) of 8.5 or more.

Abstract: An object of the present invention is to provide a golf ball providing a great distance. Another object of the present invention is to provide a golf ball striking a balance between a flight distance on a driver shot and an approach performance on an approach shot while providing an excellent shot feeling.

Abstract: Provided is a golf ball showing a low spin rate on driver shots and a high spin rate on approach shots. Also provided is a multi-piece golf ball comprising a center and n (n is a natural number of 3 or more) envelope layers covering the center, wherein material hardness of the envelope layers satisfies H1<H0<Hn?1; where the envelope layers formed in order from the center side are referred to as the first envelope layer, the second envelope layer, the third envelope layer, the fourth envelope layer, . . . the n?1th envelope layer and the nth envelope layer (the outmost layer), respectively and H0 is a material hardness (Shore D hardness) of the center, and H1, H2, H3, H4, . . . Hn?1 and Hn are material hardness (Shore D hardness) of the first envelope layer, the second envelope layer, the third envelope layer, the fourth envelope layer, . . .

Abstract: Touchscreen testing techniques are described. In one or more implementations, a piece of conductor (e.g., metal) is positioned as proximal to a touchscreen device and the touchscreen device is tested by simulating a touch of a user. This technique may be utilized to perform a variety of different testing of a touchscreen device, such as to test latency and probabilistic latency. Additional techniques are also described including contact geometry testing techniques.

Abstract: An object of the present invention is to provide a golf ball showing a small ratio of a spin rate on driver shots to a spin rate on approach shots. The present invention provides a multi-piece golf ball comprising a spherical center, three or more envelope layers covering the spherical center, and a cover covering the envelope layers, wherein adjacent two envelope layers are formed so as to include a region composed of elements having a hitting deformation ratio of 30% or more, the hitting deformation ratio being obtained by analyzing a specified golf ball model by a finite element method; and the envelope layer which is radially outwardly positioned of the adjacent two envelope layers has a lowest hardness among all the envelope layers.

Abstract: An object of the present invention is to provide a golf ball resin composition excellent in resilience. Another object of the present invention is to provide a golf ball excellent in rebound resilience and shot feeling. The present invention provides a golf ball resin composition comprising: (A) at least one resin component selected from the group consisting of (a-1) a binary copolymer, (a-2) a binary ionomer resin, (a-3) a ternary copolymer, and (a-4) a ternary ionomer resin, (B) a saturated fatty acid, and (C) an unsaturated fatty acid, wherein a total content of (B) the saturated fatty acid and (C) the unsaturated fatty acid ranges from 100 parts by mass to 200 parts by mass with respect to 100 parts by mass of (A) the resin component.

Abstract: The present invention provides a resin composition for golf balls that is excellent in resilience, flexibility, and fluidity. The present invention also provides a golf ball excellent in resilience, shot feeling, and productivity. The present invention includes a resin composition for golf balls including: (A) at least one selected from the group consisting of (a-1) a bipolymer of an olefin and a C3-C8 ?,?-unsaturated carboxylic acid, (a-2) a metal ion-neutralized product of a bipolymer of an olefin and a C3-C8 ?,?-unsaturated carboxylic acid, (a-3) a terpolymer of an olefin, a C3-C8 ?,?-unsaturated carboxylic acid, and an ?,?-unsaturated carboxylic acid ester, and (a-4) a metal ion-neutralized product of a terpolymer of an olefin, a C3-C8 ?,?-unsaturated carboxylic acid, and an ?,?-unsaturated carboxylic acid ester; (B) a compound containing an unsaturated hydrocarbon chain, a cationic moiety, and an anionic moiety in its molecule; and (C) an unsaturated fatty acid.

Abstract: An object of the present invention is to provide a golf ball polyurethane composition excellent in resilience. Another object of the present invention is to provide a golf ball excellent in a shot feeling and resilience. The present invention provides a golf ball polyurethane composition comprising, as a resin component, a polyurethane elastomer including a polyisocyanate with one alicyclic hydrocarbon structure having 3 or more carbon atoms as a constituting component, and having a storage modulus E? (Pa) and a loss modulus E? (Pa) satisfying a following expression; log(E?/E?2)??6.53 when measured in a tensile mode using a dynamic viscoelasticity measuring apparatus.

Abstract: An object of the present invention is to provide a golf ball polyurethane composition excellent in resilience. Another object of the present invention is to provide a golf ball excellent in a shot feeling and resilience. The present invention provides a golf ball polyurethane composition comprising, as a resin component, a polyurethane elastomer including a polyisocyanate with one alicyclic hydrocarbon structure having 3 or more carbon atoms as a constituting component, and having a spin-lattice relaxation time (T1) of 13C nucleus of 8.9 seconds or less measured by a High resolution solid state nuclear magnetic resonance (NMR) method.

Abstract: An object of the present invention is to provide a golf ball excellent in a shot feeling and resilience. The present invention provides a golf ball resin composition comprising (A) at least one resin component selected from the group consisting of (a-1) a binary copolymer composed of an olefin and an ?,?-unsaturated carboxylic acid having 3 to 8 carbon atoms, (a-2) an ionomer resin consisting of a metal ion-neutralized product of the binary copolymer, (a-3) a ternary copolymer composed of the binary copolymer components and an ?,?-unsaturated carboxylic acid ester, and (a-4) an ionomer resin consisting of a metal ion-neutralized product of the ternary copolymer components; and (B) a basic metal salt of a fatty acid, and having a spin-lattice relaxation time (T1) of 13C nucleus of 5.56 seconds or shorter measured by a High resolution solid state nuclear magnetic resonance (NMR) method.

Abstract: An object of the present invention is to provide a golf ball resin composition excellent in shot feeling and resilience. The golf ball resin composition includes (A) at least one resin component selected from the group consisting of (a-1) a binary copolymer composed of an olefin and an ?,?-unsaturated carboxylic acid having 3 to 8 carbon atoms, (a-2) an ionomer resin consisting of a metal ion-neutralized product of the binary copolymer components, (a-3) a ternary copolymer composed of the binary copolymer components and an ?,?-unsaturated carboxylic acid ester, and (a-4) an ionomer resin consisting of a metal ion-neutralized product of the ternary copolymer components; and (B) a basic metal salt of a fatty acid, and having a storage modulus E? (Pa) and a loss modulus E? (Pa) satisfying a following expression; log(E?/E?2)??5.84 when measured in a tensile mode using a dynamic viscoelasticity measuring apparatus.

Abstract: A multi-piece golf ball includes a core composed of a center, an envelope layer and at least one cover. The center is formed from a composition containing at least one resin component and a basic metal salt of a fatty acid. The resin component is selected from a binary copolymer composed of an olefin and an ?,?-unsaturated carboxylic acid, an ionomer resin consisting of a metal ion-neutralized product of a binary copolymer composed of an olefin and an ?,?-unsaturated carboxylic acid, a ternary copolymer composed of an olefin, an ?,?-unsaturated carboxylic acid and an ?,?-unsaturated carboxylic acid ester, and an ionomer resin consisting of a metal ion-neutralized product of a ternary copolymer composed of an olefin, an ?,?-unsaturated carboxylic acid and an ?,?-unsaturated carboxylic acid ester. The envelope layer is formed from a composition containing a thermoplastic resin and/or a thermoplastic elastomer as a resin component.

Abstract: A multi-piece golf ball excellent in resilience and controllability includes a core composed of a center and an envelope layer covering the center and at least one cover covering the core, wherein the center is formed from a center composition containing (A) at least one resin component selected from the group consisting of (a-1) a binary copolymer composed of an olefin and an ?,?-unsaturated carboxylic acid having 3 to 8 carbon atoms, (a-2) an ionomer resin consisting of a metal ion-neutralized product of the binary copolymer, (a-3) a ternary copolymer composed of the binary copolymer components and an ?,?-unsaturated carboxylic acid ester, and (a-4) an ionomer resin consisting of a metal ion-neutralized product of the ternary copolymer components and (B) a basic metal salt of a fatty acid, and wherein the envelope layer is formed from a rubber composition.

Abstract: Various embodiments provide an input test tool that promotes precision testing, flexibility and repeatability over a wide variety of functionality tests that are utilized in both touch and near-touch input scenarios. The input test tool enables a variety of degrees of motion, including both linear and rotational motion, so that a device under test can be tested utilizing a number of different linear and/or rotational input scenarios.

Abstract: An object of the present invention is to provide a golf ball polyurethane composition excellent in resilience. Another object of the present invention is to provide a golf ball excellent in a shot feeling and resilience. The present invention provides a golf ball polyurethane composition comprising, as a resin component, a polyurethane elastomer including a polyisocyanate with at least two alicyclic hydrocarbon structures having 3 or more carbon atoms as a constituting component, and having a spin-lattice relaxation time (T1) of 13C nucleus of 7.3 seconds or less measured by a High resolution solid state nuclear magnetic resonance (NMR) method.

Abstract: An object of the present invention is to provide a golf ball polyurethane composition excellent in resilience. Another object of the present invention is to provide a golf ball excellent in a shot feeling and resilience. The present invention provides a golf ball polyurethane composition comprising, as a resin component, a polyurethane elastomer including a polyisocyanate with at least two alicyclic hydrocarbon structures having 3 or more carbon atoms as a constituting component, and having a storage modulus E? (Pa) and a loss modulus E? (Pa) satisfying a following expression; log(E?/E?2)??6.08 when measured in a tensile mode using a dynamic viscoelasticity measuring apparatus.

Abstract: The invention provides a resin composition for golf balls having excellent resilience, flexibility and fluidity, and golf balls having excellent resilience and shot feel.

Abstract: An object of the present invention is to provide a golf ball showing a low spin rate on driver shots and a high spin rate on approach shots. The present invention provides a golf ball having a low hardness part having a hardness in a range from 5 to 40 in Shore D hardness or a lowest hardness point in a core hardness distribution in a region located at a distance from 36.0% to 65.0% of a radius of the golf ball from a center point of the golf ball.

Abstract: An object of the present invention is to provide a golf ball showing a low spin rate on driver shots and a high spin rate on approach shots. The present invention provides a golf ball comprising a spherical center, at least two envelope layers covering the spherical center, and a cover covering the envelope layers, wherein an envelope layer (Es1) formed from a material having a lowest material hardness among a center constituent material and envelope layers constituent materials, is disposed in a region located at a distance from 36.0% to 65.0% of a golf ball radius from a center point of the golf ball.

Abstract: An object of the present invention is to provide a golf ball exhibiting an excellent shot feeling and resilience, and a constituent material thereof. The present invention provides a golf ball resin composition having a bending stiffness (M3-12) ranging from 300 kgf/cm2 to 24,000 kgf/cm2 at a bending angle from 3° to 12°, a ratio (M3-12/M24-30) of the bending stiffness (M3-12) at the bending angle from 3° to 12° to a bending stiffness (M24-30) at a bending angle from 24° to 30° ranging from 0.20 to 2.00, and a slab hardness ranging from 30 to 65 in Shore D hardness.