| Patent Number |
Title Of Patent |
Date Issued |
| 7559857 |
Golf ball |
July 14, 2009 |
| An object of the present invention is to provide a golf ball having an improved aesthetic appearance and enhanced flying performance. The present invention provides a golf ball on which a plurality of dimples are arranged on the spherical surface thereof, wherein each of the dimples |
| 7527566 |
Golf ball |
May 5, 2009 |
| The present invention provides a golf ball composed of a core, an outermost cover layer and one or more intermediate layer therebetween. At least one intermediate layer includes a mixture composed of a base polymer made of, in a specific ratio, (a) a metal ion neutralization product |
| 7510489 |
Solid golf ball |
March 31, 2009 |
| The invention provides a solid golf ball having a solid core and a cover layer that encases the core and has an outermost layer on an outside surface of which are formed a plurality of dimples. The solid core is formed of a rubber composition composed of 100 parts by weight of a base |
| 7510488 |
Solid golf ball |
March 31, 2009 |
| The invention provides a solid golf ball having a solid core and a cover layer that encases the core and has an outermost layer on an outside surface of which are formed a plurality of dimples. The solid core is formed of a rubber composition composed of 100 parts by weight of a base |
| 7510487 |
Multi-piece solid golf ball |
March 31, 2009 |
| A multi-piece solid golf ball comprises a core having a structure consisting of at least two layers and a cover on the core consisting of outer and inner cover layers. The core has a diameter in the range of 35 to 41 mm. The inner sphere of the core is formed of a rubber material bas |
| 7488779 |
Golf ball |
February 10, 2009 |
| A golf ball which is formed from a vulcanized rubber compound composed of 100 parts by weight of a rubber base material, 10 to 60 parts by weight of an unsaturated carboxylic acid and/or a metal salt thereof, 0.1 to 5 parts by weight of an organosulfur compound, 5 to 80 parts by weight o |
| 7488262 |
Multi-piece solid golf ball |
February 10, 2009 |
| The present invention provides a multi-piece solid golf ball having a core obtained by molding under heat a specific rubber composition and having a cover of at least three layers which encases the core. By optimizing the deflection of the core under a specific load, optimizing the hardn |
| 7481722 |
Solid golf ball |
January 27, 2009 |
| The invention provides a solid golf ball having a solid core and a cover layer that encases the core and has an outermost layer on an outside surface of which are formed a plurality of dimples. The solid core is formed of a rubber composition composed of 100 parts by weight of a base |
| 7425182 |
Multi-piece solid golf ball |
September 16, 2008 |
| The present invention provides a multi-piece solid golf ball having a core obtained by molding under heat a specific rubber composition and having a cover of at least three layers which encases the core. By optimizing the deflection of the core under a specific load, optimizing the hardn |
| 7390852 |
Multi-piece solid golf ball |
June 24, 2008 |
| In a multi-piece solid golf ball comprising a solid core, a mantle and a cover, the solid core is made of a rubber composition that includes a base rubber containing a polybutadiene synthesized using a rare-earth catalyst, a small amount of organic peroxide, an unsaturated carboxylic |
| 7387581 |
Solid golf ball |
June 17, 2008 |
| The invention provides a solid golf ball having a solid core, a cover layer that encloses the core, and a plurality of dimples formed on an outside surface of an outermost layer of the cover. The solid core is formed of a rubber composition composed of 100 parts by weight of a base r |
| 7344455 |
Solid golf ball |
March 18, 2008 |
| The invention provides a solid golf ball having a solid core and a cover layer that encases the core and has an outermost layer on an outside surface of which are formed a plurality of dimples. The solid core is formed of a rubber composition composed of 100 parts by weight of a base |
| 7294068 |
Multi-piece solid golf ball |
November 13, 2007 |
| A multi-piece solid golf ball has a solid core, an envelope layer that encloses the solid core, an intermediate layer that encloses the envelope layer, and a cover that encloses the intermediate layer and has a plurality of dimples on a surface thereof. The diameter of the solid core |
| 7273425 |
Solid golf ball |
September 25, 2007 |
| The invention provides a solid golf ball having a solid core, a cover layer that encloses the core, and a plurality of dimples formed on an outside surface of an outermost layer of the cover. The solid core is formed of a rubber composition composed of 100 parts by weight of a base r |
| 7244195 |
Multi-piece solid golf ball |
July 17, 2007 |
| A multi-piece solid golf ball is provided which is improved in spin, feeling, and durability, prevents it trajectory from rising or dropping, and offers an increased flight distance. The multi-piece solid golf ball includes a solid core and a cover of two inner and outer layers surro |
| 7238746 |
Rubber composition for golf ball and golf ball |
July 3, 2007 |
| A golf ball, typically its core, is manufactured by hot molding a rubber composition comprising a base rubber, an unsaturated carboxylic acid or a metal salt thereof, and an organic peroxide, the base rubber comprising a methacryloxy or acryloxy-modified silicone polymer and optionally, |
| 7238120 |
Rubber compound for solid golf balls and solid golf ball |
July 3, 2007 |
| A rubber compound for solid golf balls which includes (A) a base rubber, (B) a filler, (C) an organic peroxide, and (D) a co-crosslinking agent coated with a coating rubber in which the ratio of the co-crosslinking agent to the coating rubber is from 100/1 to 100/20 by weight. A solid |
| 7230053 |
Golf ball |
June 12, 2007 |
| A golf ball, typically its core, is manufactured by molding and vulcanizing a rubber composition comprising a base rubber, an unsaturated carboxylic acid or a metal salt thereof, an inorganic filler, an organic peroxide, and an organosulfur compound. The base rubber contains a polybu |
| 7226367 |
Golf ball |
June 5, 2007 |
| A golf ball comprises a solid core consisting of a center core and an outer core, wherein at least one of cores is made of a rubber composition comprising 100 parts by weight of a base rubber including. 60 to 100% by weight of a polybutadiene containing at least 60% by weight of cis- |
| 7223819 |
Golf ball |
May 29, 2007 |
| A golf ball which is formed from a vulcanized rubber compound composed of 100 parts by weight of a rubber base material, 10 to 60 parts by weight of an unsaturated carboxylic acid and/or a metal salt thereof, 0.1 to 5 parts by weight of an organosulfur compound, 5 to 80 parts by weight o |
| 7201672 |
Multi-piece solid golf ball |
April 10, 2007 |
| A multi-piece solid golf ball comprising a solid core and a cover of two inner and outer layers surrounding the core. The outer cover layer has a surface formed with a plurality of three types of dimples such that a product of the Shore D hardness of the inner cover layer multiplied by |
| 7199190 |
Golf ball |
April 3, 2007 |
| A golf ball-which is formed from a crosslinked rubber compound composed of, as essential components, (A) a rubber base material composed of (a) a polybutadiene containing no less than 60 wt % of cis-1,4 bonds and having a Mooney viscosity (ML.sub.1+4 (100.degree. C.)) of 50 to 120, which |
| 7189786 |
Golf ball |
March 13, 2007 |
| A golf ball which is formed from a crosslinked rubber compound composed of, as essential components, (A) a rubber base material composed of (a) a polybutadiene containing no less than 60 wt % of cis-1,4 bonds and having a Mooney viscosity (ML.sub.1+4 (100.degree. C.)) of 50 to 120, which |
| 7183357 |
Golf ball |
February 27, 2007 |
| A golf ball has a core obtained by molding and vulcanizing a rubber composition comprising (A) a base rubber which includes a polybutadiene having a cis-1,4 content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or metal salt thereof, (C) an inorganic filler and (D) at l |
| 7175544 |
Multi-piece solid golf ball |
February 13, 2007 |
| A multi-piece solid golf ball comprising a solid core and a cover of two inner and outer layers surrounding the core. The outer cover layer has a surface formed with a plurality of dimples such that the product of the Shore D hardness of the inner cover layer and the outer cover layer, a |
| 7160940 |
Multi-piece solid golf ball |
January 9, 2007 |
| In a multi-piece solid golf ball comprising a solid core, a mantle and a cover, the solid core is made of a rubber composition that includes a base rubber containing a polybutadiene synthesized using a rare-earth catalyst, a small amount of organic peroxide, an unsaturated carboxylic |
| 7153224 |
Multi-piece solid golf ball |
December 26, 2006 |
| In a multi-piece solid golf ball comprising a solid core consisting of a center core and an outer core, an inner cover layer and an outer cover layer, the solid core is molded from a rubber composition comprising a base rubber composed of (a) a polybutadiene having a high cis-1,4 con |
| 7118494 |
Multi-piece solid golf ball |
October 10, 2006 |
| A multi-piece solid golf ball composed of a solid core, at least one intermediate layer, and a cover is characterized in that the core is made of a molded and vulcanized material obtained by vulcanizing a rubber composition containing (A) a base rubber which includes (a-1) a methacry |
| 7086969 |
Multi-piece solid golf ball |
August 8, 2006 |
| In a multi-piece solid golf ball comprising a solid core consisting of a center core and an outer core, an inner cover layer and an outer cover layer, the solid core is molded from a rubber composition comprising a base rubber composed of (a) a polybutadiene having a high cis-1,4 con |
| 7074859 |
Golf ball |
July 11, 2006 |
| A golf ball is characterized by comprising a molded and vulcanized product of a rubber composition as a constituent component, the rubber composition comprising 100 pbw of a base rubber including 60 100 wt % of a polybutadiene containing at least 60 wt % of cis-1,4-bond, having a Moo |
| 7067572 |
Golf ball |
June 27, 2006 |
| A golf ball is manufactured by molding and vulcanizing a rubber composition comprising 100 pbw of a base rubber composed primarily of a polybutadiene having a cis-1,4 content of at least 60 wt % and a Mooney viscosity of at least 30 and synthesized using a rare-earth catalyst, 15 50 |
| 6981925 |
Multi-piece solid golf ball |
January 3, 2006 |
| A multi-piece solid golf ball has a solid core obtained by molding and vulcanizing a rubber composition which includes (A) a base rubber containing a polybutadiene synthesized using a rare-earth catalyst, (B) an unsaturated carboxylic acid and/or a metal salt thereof, (C) an organic |
| 6956128 |
Zinc acrylate particle composition, method for production thereof, and golf ball using the compo |
October 18, 2005 |
| A zinc acrylate particle composition which is substantially fine and, even when kneaded with a rubber composition, is capable of being uniformly dispersed and kneaded in a state very rarely inducing fast adhesion or agglomeration, a method for the production thereof, and a golf ball usin |
| 6943208 |
Golf ball |
September 13, 2005 |
| A golf ball is characterized by comprising a molded and vulcanized product of a rubber composition as a constituent component, the rubber composition comprising 100 pbw of a base rubber composed primarily of a polybutadiene containing at least 60 wt % of cis-1,4-bond, having a Mooney vis |
| 6921346 |
Two-piece solid golf ball |
July 26, 2005 |
| Disclosed herein is a two-piece solid golf ball consisting of a solid core and a cover, the solid core being formed from a rubber composition composed of a rubber base material of polybutadiene synthesized by using a catalyst of rare earth element, a small amount of organic peroxide, an |
| 6921345 |
Golf ball |
July 26, 2005 |
| A golf ball includes a hot-molded product of a rubber composition comprising a base rubber composed of (a) 20-100 wt % of a polybutadiene having a high cis-1,4 content, a minimal 1,2 vinyl content, and a viscosity .eta. of up to 600 mPa.multidot.s at 25.degree. C. as a 5 wt % toluene |
| 6899640 |
One-piece golf ball |
May 31, 2005 |
| Disclosed herein is a one-piece golf ball formed by vulcanization from a rubber composition composed of 100 parts by weight of rubber base material, 10 to 40 parts by weight of unsaturated carboxylic acid, 10 to 60 parts by weight of metal oxide, and 0.9 to 5 parts by weight of organic |
| 6887168 |
Two-piece solid golf ball |
May 3, 2005 |
| Disclosed herein is a two-piece golf ball formed of a solid core and a cover, the solid core being formed from a rubber composition composed of a rubber base material of polybutadiene synthesized by using a catalyst of rare earth element, a small amount of organic peroxide, an unsaturate |
| 6875132 |
Multi-piece solid golf ball |
April 5, 2005 |
| In a multi-piece solid golf ball comprising a solid core, a mantle and a cover, the solid core is made of a rubber composition comprising a base rubber containing a polybutadiene synthesized using a rare-earth catalyst, a small amount of organic peroxide, an unsaturated carboxylic acid a |
| 6855072 |
Multi-piece solid golf ball |
February 15, 2005 |
| A multi-piece solid golf ball comprising a solid core and a cover of two inner and outer layers surrounding the core. The outer cover layer has a surface formed with a plurality of three types of dimples such that a product of the Shore D hardness of the inner cover layer multiplied by t |
| 6846250 |
Solid golf ball |
January 25, 2005 |
| In a solid golf ball comprising an elastic solid core and a resin cover, the cover has a JIS-C hardness of 50-85, and provided that the ball receives a spin rate S1 (rpm) in the dry state and a spin rate S2 (rpm) in the wet state when hit with a short iron having a loft of an 8-iron or |
| 6837803 |
Golf ball |
January 4, 2005 |
| A golf ball includes, as a composing element, a hot-molded product of a rubber composition. The rubber composition contains a polybutadiene having 60 wt % or more of cis-1,4-bonds and 40 or more of a Mooney viscosity (ML.sub.1+4 (100.degree. C.)), unsaturated carboxylic acid and/or a met |
| 6824478 |
Multi-piece solid golf ball |
November 30, 2004 |
| In a multi-piece solid golf ball comprising a solid core, a mantle and a cover, the solid core is made of a rubber composition that includes a base rubber containing a polybutadiene synthesized using a rare-earth catalyst, a small amount of organic peroxide, an unsaturated carboxylic aci |
| 6786840 |
Two-piece solid golf ball |
September 7, 2004 |
| Disclosed herein is a two piece solid golf ball consisting of a solid core and a cover, said solid core being formed from a rubber composition composed of a rubber base material of polybutadiene synthesized by using a catalyst of rare earth element, a small amount of organic peroxide, an |
| 6786839 |
Multi-piece solid golf ball |
September 7, 2004 |
| In a multi-piece solid golf ball comprising a solid core, a mantle and a cover, the solid core is made of a rubber composition that includes (A) a base rubber containing a polybutadiene synthesized using a rare-earth catalyst, (B) a small amount of organic peroxide, (C) an unsaturated |
| 6786836 |
Golf ball |
September 7, 2004 |
| A golf ball includes a hot-molded product of a rubber composition comprising a base rubber composed of (a) 20-100 wt % of a polybutadiene having a high cis-1,4 content, a minimal 1,2 vinyl content, and a viscosity .eta. of up to 600 mPa.multidot.s at 25.degree. C. as a 5 wt % toluene |
| 6780125 |
Multi-piece solid golf ball |
August 24, 2004 |
| A multi-piece solid golf ball comprises a solid core and a cover of two inner and outer layers surrounding the core. The outer cover layer has a surface formed with a plurality of dimples is characterized in that a product of the Shore D hardnesses of the inner cover layer multiplied by |
| 6761646 |
Multi-piece solid golf ball |
July 13, 2004 |
| In a multi-piece solid golf ball comprising a solid core, a cover inner layer and a cover outer layer, the solid core undergoes a deflection of 3-7 mm under a load of 100 kg, the cover inner layer has a Shore D hardness of 25-58 and a thickness of 0.5-1.4 mm, the cover outer layer has |
| 6746347 |
Solid golf ball |
June 8, 2004 |
| In a solid golf ball comprising an elastic solid core and a resin cover, the cover has a JIS-C hardness of 50-85, and provided that the ball receives a spin rate S1 (rpm) in the dry state and a spin rate S2 (rpm) in the wet state when hit with a short iron having a loft of an 8-iron or |
| 6746345 |
Multi-piece solid golf ball |
June 8, 2004 |
| In a multi-piece solid golf ball comprising a solid core and a cover of two inner and outer layers enclosing the solid core, the solid core has a deflection of at least 1.1 mm under an applied load of 294 N (30 kgf) and a surface and a center, the surface-center hardness difference given |
