| Patent Number |
Title Of Patent |
Date Issued |
| 7614966 |
Golf ball |
November 10, 2009 |
| A golf ball containing a core, a reinforcing layer and a cover. The core is formed by a center and a mid layer. The center is formed by a center inner sphere and a center outer layer. The center inner sphere and the center outer layer are obtained through crosslinking of a rubber com |
| 7582026 |
Golf ball |
September 1, 2009 |
| Golf ball 2 has a spherical core 4, a reinforcing layer 6 positioned outside of the core 4 and a cover 8 positioned outside of the reinforcing layer 6. The core 4 has a inner sphere 10, a first mid layer 12 positioned outside of the inner sphere 10, and a second mid layer 14 position |
| 7278930 |
Golf ball |
October 9, 2007 |
| Golf ball 2 has a core 4, a mid layer 6, a reinforcing layer 8, a cover 10 and dimples 12. Base polymer of the mid layer 6 includes an ionomer resin as a principal component. The reinforcing layer 8 includes a thermosetting resin as a base polymer. Base polymer of the cover 10 includ |
| 7270615 |
Golf ball |
September 18, 2007 |
| Golf ball 2 has a core 4, a mid layer 6, a reinforcing layer 8 and a cover 10. Base polymer of the mid layer 6 includes an ionomer resin as a principal component. The mid layer 6 has a hardness Hm as measured with a Shore D type hardness scale of equal to or greater than 55. Base polymer |
| 7201862 |
Method of the production of a golf ball |
April 10, 2007 |
| A ball body is formed with a mold having upper and lower mold half. Dimples 16 having a shape inverted from the shape of the pimples of the mold are formed on the ball body. The dimples 16 in the vicinity of the equatorial line have a size in the meridional direction D1 being greater |
| 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 |
| 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 |
| 7150618 |
Mold for golf ball |
December 19, 2006 |
| A mold for a golf ball includes an upper portion (1) and a lower portion (3). A large number of projections (7) for dimple formation are provided on a cavity surface (5) of each of the upper portion (1) and the lower portion (3). A parting surface (8) of the upper portion (1) and the low |
| 7112149 |
Golf ball |
September 26, 2006 |
| A golf ball 2 containing dimples A having a diameter of 4.65 mm, dimples B having a diameter of 4.45 mm, dimples C having a diameter of 4.25 mm, dimples D having a diameter of 4.05 mm, dimples E having a diameter of 3.95 mm, dimples F having a diameter of 2.80 mm, and dimples G having a |
| 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 |
| 7059978 |
Golf ball |
June 13, 2006 |
| A cover 6 of a golf ball 2 contains an ionomer resin and a thermoplastic elastomer containing a styrene block. The cover 6 has a thickness of 1.0 mm or greater and 1.8 mm or less, and a hardness of 50 or greater and 60 or less. This golf ball 2 has circular dimples having a diameter of 3 |
| 6986720 |
Golf ball |
January 17, 2006 |
| Dimple 4 has a side wall curved face 8 and an edge neighboring curved face 9. The side wall curved face 8 is situated between a point P4 positioned downward from the dimple edge Ed by the depth of 20% in an in-depth direction and a point P3 positioned downward from the dimple edge Ed by |
| 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 |
| 6899643 |
Golf ball |
May 31, 2005 |
| A golf ball comprises a large number of dimples (4) on a surface thereof. The dimple (4) includes a first curved surface (7) provided from a position (P2) placed downward by 85% of a depth to a position (P1) placed downward by 100% of the depth in a direction of the depth from an edge (E |
| 6881160 |
Golf ball |
April 19, 2005 |
| A golf ball 1 includes an A dimple having a diameter of 4.35 mm, a B dimple having a diameter of 3.9 mm, a C dimple having a diameter of 3.4 mm, and a D dimple having a diameter of 3.2 mm. All the dimples have circular plane shapes. A ratio PN of a number Na of the circular dimples havin |
| 6875837 |
Coated golf ball |
April 5, 2005 |
| The present invention provides a coated golf ball having good appearance, excellent durability after repeated hitting, excellent abrasion resistance after washing by brushing and excellent stain resistance with a grass. The present invention relates to a coated golf ball formed by applyi |
| 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 |
| 6824479 |
Golf ball |
November 30, 2004 |
| The object of the present invention is to provide a golf ball having the individualized appearance as well as the visibility, which the mark should inherently provide, by imparting the luster to the mark, without lowering the durability of the mark.The golf ball of the present invention |
| 6766739 |
Golf ball printing method |
July 27, 2004 |
| The invention provides an improved golf ball printing method which is capable of efficient printing control in the production of golf balls and provides a colorful or lustrous mark on the ball surface. The printing method uses a two-component reacting ink comprising a resin having a |
| 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 |
| 6676543 |
Coated golf ball |
January 13, 2004 |
| A coated golf ball is provided of which possible flaw or paint peeling caused by shots does not become conspicuous even after it has been left outdoors for a long time. The coated golf ball comprises a ball body having a surface layer containing a white pigment and essentially free of |
| 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 |
| 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 |
| 6489401 |
One-piece golf ball |
December 3, 2002 |
| The present invention provides a one-piece golf ball having good durability, good shot feel and excellent flight performance. The present invention relates to a one-piece golf ball formed by vulcanizing and press molding a rubber composition comprising a base rubber, co-crosslinking |
