| Patent Number |
Title Of Patent |
Date Issued |
| 7387582 |
Golf ball |
June 17, 2008 |
| Golf ball 2 has dimples A having a diameter of 5.15 mm, dimples B having a diameter of 5.00 mm, dimples C having a diameter of 4.60 mm, dimples D having a diameter of 4.50 mm, dimples E having a diameter of 4.20 mm, dimples F having a diameter of 4.10 mm, dimples G having a diameter of |
| 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 |
| 7354359 |
Golf ball |
April 8, 2008 |
| Golf ball has dimples 8. The dimple 8 has a first curved face S1, a second curved face S2, a third curved face S3, a first edge E1, a second edge E2 and a third edge E3. The second edge E2 and the third edge E3 are disposed concentrically with the first edge E1. The first curved face S1 |
| 7331879 |
Golf ball |
February 19, 2008 |
| Golf ball 2 has a northern hemisphere N above the equatorial line 16, and a southern hemisphere S below the equatorial line 16. Each of the northern hemisphere N and the southern hemisphere S has a pole vicinity region 18, an equator vicinity region 20 and a coordination region 22. 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 |
| 7321330 |
Ball measuring apparatus |
January 22, 2008 |
| The present invention provides a ball measuring apparatus capable of measuring a trajectory of a ball from a hitting position to a landing position, the landing position and a stop position. A ball measuring apparatus 100 according to a first embodiment includes a first millimeter wa |
| 7320651 |
Golf ball |
January 22, 2008 |
| Golf ball 2 has three or more different kinds of dimples 8. The total number of the dimples 8 is 300 or more. A ratio Pn of the number of the dimples 8 with a diameter of equal to or greater than 3.40 mm to the total number is equal to or greater than 90%. The golf ball 2 meet the fo |
| 7291077 |
Golf ball |
November 6, 2007 |
| Golf ball 2 has numerous dimples 8 formed on its surface. The dimple 8 has a first side wall face 14, a second side wall face 16 that is positioned to the bottom side of this first side wall face 14, and a bottom face 18 that is positioned to the bottom side of this second side wall face |
| 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 |
| 7232383 |
Three-piece solid golf ball |
June 19, 2007 |
| The present invention provides a three-piece solid golf ball having long flight distance by accomplishing low spin amount and high launch angle at the time of hitting, while maintaining good shot feel. The present invention relates to a three-piece solid golf ball comprising a core c |
| 7223183 |
Golf ball |
May 29, 2007 |
| Two-tiered dimples 8 of a golf ball have a first recessed part X and a second recessed part Y. The first recessed part X substantially forms a part of a spherical shape. The first recessed part X includes a first opening 14, a side wall curved face 16 and a flat face 18. The second r |
| 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 |
| 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 |
| 7169066 |
Golf ball |
January 30, 2007 |
| Golf ball 1 has a large number of dimples 2 on its surface. A surface area occupation ratio Y of these dimples 2 is equal to or greater than 75%. A ratio R1 of the diameter of the maximum dimple d.sub.max to the diameter D of this golf ball 1 is 11.0% or greater and 18.0% or less. Total |
| 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 |
| 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 |
| 7094162 |
Golf ball |
August 22, 2006 |
| Golf ball 28 has a first side face 32, a second side face 34 and a third side face 36. The first side face 32 is positioned between an edge E and a point P. The second side face 34 is positioned between the point P and a point Q. The third side face 36 is positioned between the point Q a |
| 7066841 |
Golf ball |
June 27, 2006 |
| A golf ball containing a core and a cover, the core being composed of a center and a mid layer. Numerous dimples are formed on the surface of the cover. The cover includes a thermoplastic polyurethane elastomer as a principal component. The Shore D hardness of the cover is 30 or greater |
| 7059979 |
Golf ball |
June 13, 2006 |
| A golf ball has a large number of dimples (A to D) on a surface thereof. A surface area occupation ratio Y of the dimples is 0.80 to 0.90. A total volume V of the dimples is 300 mm.sup.3 to 700 mm.sup.3. A mean volume Va to be a value obtained by dividing the total volume V by a total nu |
| 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 |
| 7052415 |
Golf ball |
May 30, 2006 |
| Golf ball has a core, a cover, and numerous dimples 12 formed on the surface of this cover. Principal component of the cover is a polyurethane elastomer. This cover has a Shore D hardness of 30 or greater and 55 or less. Occupation ratio Y of total area of the dimples 12 to surface area |
| 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 |
| 7041012 |
Golf ball |
May 9, 2006 |
| A golf ball 2 has a core 4, a cover 6, and numerous dimples 8. This cover 6 is composed of a resin composition which includes a thermoplastic styrene elastomer and an ionomer resin as principle components. A melt index of this resin composition at 190.degree. C. is equal to or greater |
| 6991564 |
Golf ball |
January 31, 2006 |
| Surface of a golf ball 1 is comparted into 8 spherical regular triangles St and 6 spherical squares Ss by comparting lines that are formed by casting a reflection of sides of the cuboctahedron inscribed in the phantom spherical face onto the phantom spherical face. On the spherical r |
| 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 |
| 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 |
| 6910975 |
Golf ball |
June 28, 2005 |
| A base polymer of a cover 3 of a golf ball 1 includes a thermoplastic polyurethane elastomer as a principal component. 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 |
| 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 |
| 6875134 |
Golf ball |
April 5, 2005 |
| A golf ball (1) comprises a large number of dimples (4) and a land portion (5) on a surface thereof. The dimple (4) is concaved from the surface of a phantom sphere shown in a two-dotted chain line. The dimple (4) includes an edge (E). The dimple (4) includes an outer region (6) on an ou |
| 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 |
| 6821215 |
Golf ball |
November 23, 2004 |
| A golf ball includes, on a surface thereof, a first dimple (1) having a diameter of 4.50 mm, a second dimple (2) having a diameter of 4.00 mm, a third dimple (3) having a diameter of 3.60 mm, a fourth dimple (4) having a diameter of 2.80 mm and a fifth dimple (5) having a diameter of 2.3 |
| 6780128 |
Golf ball |
August 24, 2004 |
| A golf ball has a large number of dimples (A dimples and B dimples) on a surface thereof. X and Y satisfy a relationship of an equation (I):X representing a total of dimple contour lengths x and Y representing a surface area occupation ratio of the dimples. The surface area occupation ra |
| 6776730 |
Golf ball |
August 17, 2004 |
| A golf ball has a large number of dimples (A to D) on a surface thereof. A surface area occupation ratio Y of the dimples in the golf ball is 0.80 to 0.90. A mean curvature R to be a mean value of a curvature r in the sectional shape of the dimple is 16 mm or more. A total volume V of th |
| 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 |
| 6719647 |
Golf ball |
April 13, 2004 |
| By three great circle-shaped compacting lines (L) formed by projecting the sides of an inscribed regular octahedron, a surface of a golf ball is compared into eight spherical regular triangles (T1) to (T8). A dimple (1) is arranged over the surface of the golf ball, and furthermore, ther |
| 6688993 |
Golf ball |
February 10, 2004 |
| A golf ball (1) has a dimple "A", a dimple "a", a dimple "B" and a dimple "b". The dimple "A" and the dimple "a" have diameters equal to each other, and the dimple "B" and the dimple "b" have diameters equal to each other. The volume of the dimple "A" is greater than that of the dimple " |
| 6685456 |
Golf ball mold |
February 3, 2004 |
| A golf ball mold comprises 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 upperportion (1) and the lower portion (3). The joining surface of the upper portion (1) and the lower porti |
| 6540625 |
Golf ball |
April 1, 2003 |
| A surface is comparted into eight spherical regular triangles (T1 to T8) through twelve comparting lines formed by projecting twelve sides of a regular octahedron inscribed on the surface onto the surface. A dimple is arranged for each spherical regular triangle. In each of six apexes (P |
| 6530850 |
Golf ball |
March 11, 2003 |
| A surface is comparted into eight spherical regular triangles (T1 to T8) through twelve comparting lines formed by projecting, onto the surface, twelve sides of a regular octahedron inscribed on the surface. Dimples are arranged in the spherical regular triangles (T1 to T8) so as not to |
| 6527654 |
Golf ball |
March 4, 2003 |
| A golf ball has four kinds of dimples A to D. The A and B dimples are teardrop-shaped to take specific shapes. The C and D dimples are circular. A ratio of non-circular dimples is 77% to 92%. A ratio of the circular dimples is 8% to 23%. A ratio of the total number of the dimples taking |
