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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Takesue; Rinya
Address:
Chichibu, JP
No. of patents:
72
Patents:


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Patent Number Title Of Patent Date Issued
7563180 Multi-piece solid golf ball July 21, 2009
In the present invention, by optimizing the balance of Shore D hardness between the intermediate layer and the cover, the balance of Shore D hardness between the surface and the center in the core, the balance of initial velocity between the core and the sphere, and the balance of De
7550535 Golf ball and method of manufacture June 23, 2009
In a golf ball composed of a core and a cover having a plurality of layers that encloses the core, at least a first layer of the cover is formed primarily of a heated mixture of (A) a metal ion neutralization product of an olefin-unsaturated carboxylic acid copolymer and/or a metal ion
7445566 Golf ball November 4, 2008
A golf ball comprising a core, an intermediate layer, and a cover exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of the cover)-(Shore D hardness of the intermediate layer)>0, (
7303490 Golf ball and making method December 4, 2007
In a golf ball comprising a core and a cover, at least one layer of the cover is formed of a cover stock composition in which fullerene and/or carbon nanotubes are uniformly dispersed in a thermoplastic resin. The golf ball is prepared by uniformly dispersing fullerene and/or carbon
7288031 Golf ball October 30, 2007
A golf ball comprising a core, an intermediate layer, and a cover exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of the cover)-(Shore D hardness of the intermediate layer)>0, (
7273424 Golf ball September 25, 2007
A golf ball comprising a core having a Deflection amount of at least 3.0 mm and up to 6.0 mm, an intermediate layer, and a cover exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of
7270614 Multi-piece solid golf ball September 18, 2007
In the present invention, by optimizing the balance of Shore D hardness between the intermediate layer and the cover, the balance of Shore D hardness between the surface and the center in the core, the balance of initial velocity between the core and the sphere, and the balance of De
7270611 Golf ball September 18, 2007
A golf ball comprising a core, an intermediate layer, and a cover exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of the cover)-(Shore D hardness of the intermediate layer)>0, (
7211610 Golf ball materials and golf ball May 1, 2007
A golf ball material comprises a heated mixture having a melt index of at least 1.0 dg/min, which mixture is composed of (A) a thermoplastic resin, (B) a fatty acid or fatty acid derivative having a molecular weight of at least 280, and (C) a basic inorganic metal compound capable of
7201671 Multi-piece solid golf ball April 10, 2007
A multi-piece solid golf ball exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of the cover)-(Shore D hardness of the intermediate layer)>0, (initial velocity (in m/s) of the cor
7091269 Golf ball August 15, 2006
In a golf ball comprising a core and a cover of one or more layers, at least one layer of the cover is formed primarily of a mixture comprising (A) an ionomer resin, (B) a thermoplastic elastomer and (C) a thermoplastic block copolymer terminated with a functional group capable of re
7090799 Golf ball and method for preparing golf ball August 15, 2006
The invention provides a golf ball comprising a core and a cover of one or more layers, characterized in that at least one layer which constitutes the cover is formed primarily of a mixture of (A) a thermoplastic resin composition selected from among a thermoplastic block copolymer,
7086968 Golf Ball August 8, 2006
The invention provides a golf ball comprising a core of at least one layer, a cover of at least one layer, and optionally an intermediate layer therebetween, characterized in that at least one layer of the core, cover and intermediate layer is formed of a golf ball-forming resin comp
7086967 Golf ball August 8, 2006
A golf ball comprising a core, an intermediate layer, and a cover exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of the cover)-(Shore D hardness of the intermediate layer)>0, (
7084198 Golf ball material and golf ball August 1, 2006
A golf ball material comprising a heated mixture of (a) a random copolymer containing at least 5% by weight of a metal ion-neutralized unsaturated carboxylic acid having an acid content of at least 16% by weight, (b) a thermoplastic elastomer, (c) a fatty acid and/or derivative thereof
7083533 Golf ball August 1, 2006
In a golf ball comprising an elastic solid core, a mantle layer, and a resin cover having a plurality of dimples, the difference in Shore D hardness between the cover and the mantle layer is at most 10, and the dimples have a total volume of 280 350 mm.sup.3. This combination of feat
7059977 Golf ball June 13, 2006
In a golf ball comprising a core and a cover of one or more layers, the cover or its layer is formed primarily of a mixture comprising a blend of (a) an ionomer resin in the form of an alkali metal-neutralized ethylene-acrylic acid copolymer and (b) an olefin-unsaturated carboxylic a
7048650 Golf ball May 23, 2006
A layer of a golf ball is formed of a golf ball-forming composition in which a silicone rubber powder, silicone resin powder or composite powder thereof is blended in an elastomer, resin or butadiene rubber base. The composition is easy to remove from a mold after molding, and the golf
7037963 Golf ball May 2, 2006
A golf ball comprising a core and two or more outer layers covering said core, wherein the first outer layer is formed mainly from a mixture of a non-ionomer thermoplastic elastomer and an isocyanate compound and the second outer layer is formed mainly from a mixture composed of a resin
7008333 Golf ball March 7, 2006
The invention provides a golf ball comprising a core of at least one layer, a cover of at least one layer, and optionally an intermediate layer therebetween, characterized in that at least one layer of the core, cover and intermediate layer is formed of a golf ball-forming resin comp
6992145 Golf ball January 31, 2006
In a golf ball comprising a core and a cover of plural layers, a cover inner layer is formed primarily of an ionomer resin in admixture with a compound containing at least two reactive functional groups and having a molecular weight of up to 20,000 and a cover outer layer is formed p
6984182 Golf ball January 10, 2006
In a golf ball comprising a core and a cover of at least two layers, a cover outermost layer is formed of a composition comprising 100 pbw of a thermoplastic resin and 0.2 5 pbw of a cholesteric liquid crystal polymer, and a cover inner layer is formed of a composition comprising 100
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
6962951 Golf ball materials and golf ball November 8, 2005
A golf ball material comprises a heated mixture having a melt index of at least 1.0 dg/min, which mixture is composed of (A) a thermoplastic resin, (B) a fatty acid or fatty acid derivative having a molecular weight of at least 280, and (C) a basic inorganic metal compound capable of
6942582 Golf ball September 13, 2005
In a golf ball comprising a core and a cover, at least one layer of the cover is composed mainly of a mixture of an amino-terminated block polymer and an ionomer resin in a weight ratio between 3/97 and 60/40. The mixture is effectively moldable, and the golf ball is improved in rebound,
6939251 Golf ball September 6, 2005
Disclosed is a golf ball having a cover formed from a thermoplastic polyurethane material which can be recycled for molding, which exhibits high restitution, and which exhibits excellent scuff resistance. The cover is formed from a composition (D) containing, as predominant components,
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
6894097 Golf ball material and golf ball May 17, 2005
A mixture having good thermal stability, flow and moldability and suitable as a golf ball-forming material is obtained when a base resin comprising a (metal ion-neutralized) olefin-unsaturated carboxylic acid-unsaturated carboxylate ternary random copolymer and optionally a (metal io
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
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
6838501 Golf ball material and golf ball January 4, 2005
A mixture having good thermal stability, flow and moldability and suitable as a golf ball-forming material is obtained when a resinous component including a base resin of an ionomer resin or resins and optionally a non-ionomer thermoplastic elastomer is blended with specific proportions
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
6822028 Golf ball material and golf ball November 23, 2004
A material comprising a heated mixture of (A) an olefin-unsaturated carboxylic acid copolymer, an olefin-unsaturated carboxylic acid-unsaturated carboxylate copolymer, a metal ion neutralized product thereof, or a mixture thereof, (B) a polyurethane elastomer, and (C) an organic or i
6818701 Golf ball November 16, 2004
A golf ball includes a portion formed from a golf ball-forming composition containing at least one kind selected from a crosslinked silicone rubber powder and a crosslinked silicone resin powder. Each of the crosslinked silicone rubber powder and the crosslinked silicone resin powder has
6814676 Multi-piece solid golf ball November 9, 2004
Provided is a multi-piece solid golf ball, wherein an outer layer cover has a polyurethane based elastomer as a main component; a solid core surface Shore D hardness is 50 to 60, an inner layer cover Shore D hardness is 53 to 61, and an outer layer cover Shore D hardness is 52 to 58; an
6797786 Golf ball materials and golf ball September 28, 2004
A golf ball material containing (a) a calcium ion-neutralized olefin-unsaturated carboxylic acid-unsaturated carboxylate random copolymer having an acid content of 2-12% by weight, and (b) a calcium ion-neutralized olefin-unsaturated carboxylic acid random copolymer having an acid co
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
6761648 Golf ball July 13, 2004
In a golf ball comprising a core and a cover of one or more layers, the cover or its layer is formed primarily of a mixture comprising a blend of (a) an ionomer resin in the form of a divalent metal-neutralized ethylene-acrylic acid copolymer and (b) an olefin-unsaturated carboxylic
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
6736737 Multi-piece solid golf ball May 18, 2004
In a multi-piece solid golf ball comprising a rubbery elastic solid core and a resin cover including at least an inner layer, an intermediate layer and an outer layer, the solid core undergoes a deflection of 1.6-6.0 mm under an applied load of 294 N (30 kgf), the cover inner layer has a
6723008 Multi-piece solid golf ball April 20, 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
6716117 Multi-piece solid golf ball April 6, 2004
In a multi-piece solid golf ball comprising a solid core and a cover consisting of inner and outer layers, the cover inner layer is composed mainly of an ionomer resin, and the cover outer layer is composed mainly of another thermoplastic elastomer. A thermoplastic resin-base adhesive
6663507 Multi-piece solid golf ball December 16, 2003
A multi-piece solid golf ball includes a core, at least one mantle layer enclosing the core, and a cover that is made primarily of a thermoplastic polyurethane composition. The cover and the mantle layer have a difference in Shore D hardness therebetween such that -8.ltoreq.[(cover h
6624221 Resin composition for golf ball and golf ball September 23, 2003
A resin composition comprising, in admixture, (A) a specific thermoplastic resin component, (B) at least one wax component selected from among (b-1) a fatty acid having 20-80 carbon atoms and/or a derivative thereof and (b-2) an oxidized natural wax and/or derivative having a neutralizat
6620061 Golf ball September 16, 2003
In a golf ball comprising a core and an enclosure of one or more layers enclosing the core, at least one enclosure layer is formed of a rubber composition comprising a base rubber based on 1,4-polybutadiene having a cis-1,4-structure, an .alpha.,.beta.-unsaturated carboxylic acid, a meta
6616552 Golf ball September 9, 2003
In a golf ball including a core and a cover of at least one layer, the cover layer is formed of a heated mixture of an ionomer resin and a metal salt such as magnesium stearate. The heated mixture exhibits such a crystal melting behavior that when measured by DSC, the difference between
6613843 Golf ball materials and golf ball September 2, 2003
A golf ball material containing (a) a calcium ion-neutralized olefin-unsaturated carboxylic acid-unsaturated carboxylate random copolymer having an acid content of 2-12% by weight, and (b) a calcium ion-neutralized olefin-unsaturated carboxylic acid random copolymer having an acid co
6582325 Solid golf balls and method of making June 24, 2003
A solid golf ball has a solid core and a cover formed of a resin composition comprising the reaction product of a thermoplastic polyurethane elastomer with dicyclohexylmethane-4, 4"-diisocyanate. The ball is efficiently moldable and meets such requirements as a pleasant feel, ease of
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