| Patent Number |
Title Of Patent |
Date Issued |
| 7410430 |
Golf ball |
August 12, 2008 |
| The present invention provides a golf ball comprising a core and a cover covering the core, wherein the cover layer comprises a 3-dimensional shaped metal oxide having at least three needle-shaped parts. Blending the 3-dimensional shaped metal oxide into the cover layer enhances the |
| 7396301 |
Golf ball |
July 8, 2008 |
| The present invention provides a golf ball comprising a core, an intermediate layer covering the core, and a cover covering the intermediate layer, wherein the intermediate layer contains a 3-dimensional shaped metal oxide having at least three needle-shaped parts. Blending the 3-dim |
| 7390542 |
Golf ball |
June 24, 2008 |
| The golf ball includes a core, an intermediate layer for covering the core and a cover layer for covering the intermediate layer, wherein the intermediate layer is formed of a resin composition containing a cation-treated phillosilicate and having a Shore D hardness of 56 or higher. |
| 7390273 |
Golf ball |
June 24, 2008 |
| Golf ball 2 has a core 4, a cover 6 and numerous dimples 8. The cover 6 has a thickness of less than 3.0 mm and a hardness H4 of equal to or greater than 90. A difference (H2-H1) of a surface hardness H2 of the core 4 and a central hardness H1 of the core 4 is 10 or greater and 25 or |
| 7384352 |
Golf ball |
June 10, 2008 |
| Golf ball 2 has a center 8, mid layer 10 and a cover 6. The mid layer 10 is formed by a resin composition containing a metal oxide with a three-dimensional shape. A D hardness of the mid layer 10 is 32 or greater and 39 or less. A ratio of an amount of compressive deformation C1 of t |
| 7326131 |
Golf ball |
February 5, 2008 |
| A golf ball conforming a core, a cover and numerous dimples formed on the surface of the cover. The thickness of the cover is equal to or less than 1.4 mm. The Shore D hardness of the cover is equal to or less than 53. The dimple 4 has an inclined face, a circular flat face, an annular |
| 7264559 |
Golf ball |
September 4, 2007 |
| The golf ball includes a core, an intermediate layer for covering the core and a cover layer for covering the intermediate layer, wherein the cover layer is formed of a resin composition having a Shore D hardness of 52 or higher and the intermediate layer is formed of a resin composition |
| 7261650 |
Golf ball |
August 28, 2007 |
| Golf ball 2 has a core 4, a mid layer 5 and a cover 6. The mid layer 5 has a hardness of 50 or greater and 70 or less, and a thickness of equal to or greater than 0.8 mm. The cover 6 has a hardness of less than 57, and a thickness of less than 1.5 mm. The golf ball 2 has numerous double |
| 7261649 |
Golf ball |
August 28, 2007 |
| Golf ball 2 has a center 8, a mid layer 10, a cover 6 and dimples 12. The mid layer 10 includes a styrene block-containing thermoplastic elastomer having a material hardness of less than 10, and an ethylene-(meth)acrylic acid copolymer-based ionomer resin having a material hardness of 50 |
| 7252602 |
Golf ball |
August 7, 2007 |
| Golf ball 2 has numerous double radius dimples and numerous triple radius dimples on the surface thereof. The double radius dimple has a first side wall face having a curvature radius R1, and a bottom face having a curvature radius R2 that is 5 times or more and 55 times or less greater |
| 7201674 |
Golf ball |
April 10, 2007 |
| Golf ball 2 has a core 4, a mid layer 5 and a cover 6. This mid layer 5 includes 20 parts by weight or greater and 60 parts by weight or less of a styrene block-containing thermoplastic elastomer having a material hardness of less than 10, and 40 parts by weight or greater and 80 parts |
| 7192366 |
Three-piece solid golf ball |
March 20, 2007 |
| The present invention provides a three-piece solid golf ball, of which flight distance is improved by accomplishing high launch angle and low spin amount in initial flight performance, while maintaining soft and good shot feel when hitting at low head speed. The present invention rel |
| 7182700 |
Golf ball |
February 27, 2007 |
| Golf ball 1 has a core 2, a mid layer 3 and a cover 4. The mid layer 3 comprises a matrix of which base material is a rubber or a synthetic resin, and solid particles which are dispersed in this matrix. Hardness Hg of the solid particles is greater than hardness Hm of the matrix. Dif |
| 7163473 |
Golf ball |
January 16, 2007 |
| Golf ball 1 has numerous dimples 4 on its surface. The dimple 4 comprises an inclined face 6, a circular flat face 7, an annular groove 8 and a round flat face 9. Surface area s1 is calculated by summing up the surface area of the inclined face 6, the surface area of the circular fla |
| 7160206 |
Golf ball and method of manufacturing the same |
January 9, 2007 |
| A golf ball with favorable rebound and flight performances without impairing durability, and a method of manufacturing the same are provided. There are provided a golf ball having a solid core and a cover surrounding the solid core, characterized in that the solid core is composed of |
| 7153223 |
Golf ball |
December 26, 2006 |
| Golf ball 1 has the diameter D of 43.0 mm or greater and 50.0 mm or less. This golf ball 1 includes a core 2 and a cover 3. The core 2 is formed by crosslinking of a rubber composition. The cover 3 is composed of a resin composition. Dimples 4 are formed on the surface of the cover 3. Th |
| 7125346 |
Solid golf ball |
October 24, 2006 |
| The present invention provides a solid golf ball, of which flight performance is improved, while maintaining good durability and good shot feel. The present invention relates to a solid golf ball comprising at least one layer of a core, and at least one layer of a cover formed on the |
| 7101292 |
Multi-piece solid golf ball |
September 5, 2006 |
| The present invention provides a multi-piece solid golf ball having very good shot feel, excellent rebound characteristics and excellent flight performance. The present invention relates to a multi-piece solid golf ball comprising a core consisting of a center and an intermediate layer |
| 7086966 |
Golf ball |
August 8, 2006 |
| Golf ball 1 has a core 2, a mid layer 3 and a cover 4. The mid layer 3 is composed of a matrix of which base material is a rubber or a synthetic resin, and solid particles which are dispersed in the matrix. Hardness (Shore D) Hm of the matrix is greater than hardness Hg of the solid |
| 7083532 |
Golf ball and method of manufacturing the same |
August 1, 2006 |
| A golf ball having favorable rebound performance and hit feeling with excellent durability, and a method of manufacturing the same are provided. A golf ball with a solid core formed of a rubber composition having an organic peroxide coated with a thermoplastic resin blended therein a |
| 7041013 |
Golf ball |
May 9, 2006 |
| Golf ball 1 has numerous dimples 4 on its surface. The dimple 4 comprises an inclined face 6, a circular flat face 7, an annular groove 8 and a round flat face 9. Surface area s1 is calculated by summing up the surface area of the inclined face 6, the surface area of the circular fla |
| 6986718 |
Multi-piece solid golf ball |
January 17, 2006 |
| The present invention provides a multi-piece solid golf ball, of which flight performance is improved while maintaining excellent durability and good shot feel. The present invention relates to a multi-piece solid golf ball comprising a core, at least one layer of an inner cover formed o |
| 6951520 |
Golf ball |
October 4, 2005 |
| Golf ball 1 has a core 2 and a cover 3. The core 2 is composed of a center 4 and a mid layer 5. Numerous dimples 6 are formed on the surface of the cover 3. Base polymer of the cover 3 includes a mixture of an ionomer resin and a thermoplastic elastomer as a principal component. Shore D |
| 6905647 |
Process for producing golf ball |
June 14, 2005 |
| Golf ball 1 includes a core 2 and a cover 3. The core 2 has two layers including a center 4 and a mid layer 5. The mid layer 5 is formed by covering the center 4 with two half shells comprising a rubber composition, and by compression and heating of the center 4 and half shells in a |
| 6855071 |
Multi-piece golf ball and method for manufacturing the same |
February 15, 2005 |
| A multi-piece golf ball with improved carry without sacrificing properties like spin performance, durability, coefficient of restitution, and the feel when the ball is hit, the golf ball including a core, an intermediate layer surrounding the core, and the cover surrounding the intermedi |
| 6852045 |
Golf ball |
February 8, 2005 |
| Golf ball 1 has a cover 3 having Shore D hardness of less than 58. Dimples 6 are formed on the surface of the cover 3. A proportion R1 of number of dimples 6 having a ratio (B/T), which is a ratio of a height B of a bottom of the dimple 6 to a nominal thickness T of the cover 3, of equal |
| 6843735 |
Golf ball |
January 18, 2005 |
| A golf ball which includes a core, a cover having Shore D hardness of equal to or greater than 58, and numerous dimples formed on the surface of said cover, wherein a proportion R1 of number of dimples having a ratio (B/T), which is a ratio of a height B of a bottom of the dimple to a no |
| 6815507 |
Golf ball with improved shot feel without deterioration in durability and flight performance |
November 9, 2004 |
| A golf ball having an improved shot feel without deterioration in durability and flight performance is provided. The golf ball is constituted of at least two layers including a core and a cover. The core is formed of a rubber composition including 100 parts by weight of a rubber comp |
| 6726579 |
Multi-piece solid golf ball |
April 27, 2004 |
| The present invention provides a multi-piece solid golf ball having soft and good shot feel and excellent flight performance when hit by a golfer who swings a golf club at low head speed. The present invention relates to a multi-piece solid golf ball comprising a core, an intermediate la |
| 6712718 |
Three-piece solid golf ball |
March 30, 2004 |
| The present invention provides a three-piece solid golf ball, of which flight distance is improved by accomplishing high launch angle and low spin amount in initial flight performance, while maintaining good shot feel such that the rebound characteristics are good, when hit at low head |
| 6676540 |
Multi-piece solid golf ball |
January 13, 2004 |
| The present invention provides a multi-piece solid golf ball having very soft and good shot feel, and excellent rebound characteristics and flight performance, when hit by golfers who swing a golf club at low head speed. The present invention relates to a multi-piece solid golf ball comp |
| 6659888 |
Three-piece solid golf ball |
December 9, 2003 |
| The present invention provides a three-piece solid golf ball, of which flight distance is improved by accomplishing high launch angle and low spin amount in initial flight performance, while maintaining soft and good shot feel, when hit at low head speed. The present invention relates to |
| 6645090 |
Multi-piece solid golf ball |
November 11, 2003 |
| The present invention provides a multi-piece solid golf ball having good shot feel, excellent durability and excellent flight performance. The present invention relates to a multi-piece solid golf ball comprising a core having at least one layer, an inner cover formed on the core and an |
| 6576707 |
Multi-piece solid golf ball |
June 10, 2003 |
| The present invention provides a multi-piece solid golf ball having very good shot feel, excellent durability and excellent flight performance. The present invention relates to a multi-piece solid golf ball comprising a core, an inner cover and outer cover, wherein the inner cover has a |
| 6572493 |
Multi-piece solid golf ball |
June 3, 2003 |
| The present invention provides a multi-piece solid golf ball having very soft and good shot feel, and excellent rebound characteristics and flight performance, when hit by a golfer who swings a golf club at low head speed. The present invention relates to a multi-piece solid golf ball |
| 6558275 |
Three-piece solid golf ball |
May 6, 2003 |
| The present invention provides a three-piece solid golf ball having good shot feel and excellent flight performance. The present invention relates to a three-piece solid golf ball comprising a core, an intermediate layer formed on the core, and a cover covering the intermediate layer, wh |
| 6520872 |
Three-piece solid golf ball |
February 18, 2003 |
| The present invention provides a three-piece solid golf ball, of which flight distance is improved by accomplishing high launch angle and low spin amount in initial flight performance, while maintaining soft and good shot feel at the time of hitting at low head speed. The present inventi |
