| Patent Number |
Title Of Patent |
Date Issued |
| 7141628 |
Golf ball and golf ball paint |
November 28, 2006 |
| The object of the present invention is to provide a golf ball having an improved impact resistance without lowering the productivity, and a golf ball paint which is used therefor.The present invention is characterized in the use of two component curing type urethane paint comprising an |
| 7137912 |
Tennis racket |
November 21, 2006 |
| In a tennis racket having a racket frame composed of a fiber reinforced resin, the moment of inertia Ic of the tennis racket in a center direction thereof is set to not less than 13000 gcm.sup.2 nor more than 17000 gcm.sup.2, the moment of inertia Ig around a center of gravity thereo |
| 7137908 |
Golf ball |
November 21, 2006 |
| A golf ball excellent in wear resistance and abrasion resistance is provided without sacrificing various characteristics such as rebound performance, spin performance, cut resistance and feeling at the time of hitting. The golf ball is formed of a core and a cover covering the core. |
| 7137906 |
Golf club head |
November 21, 2006 |
| A golf club head in which a frequency F (fix) indicating a primary minimum value of a frequency transfer function of a head obtained by firmly fixing the head to a vibrator and measured in accordance with an vibrator method is between 600 and 1200 (Hz), and a frequency F (free) indicatin |
| 7137905 |
Golf club head |
November 21, 2006 |
| The present invention provides a golf club head which satisfies the following three conditions in a moment M of inertia around a center line of a shaft axis (gcm.sup.2) and a depth L of center of gravity (mm): 4000.ltoreq.M.ltoreq.7000; (1) 30.ltoreq.L.ltoreq.50; and (2) M.ltoreq.2 |
| 7131920 |
Racket frame |
November 7, 2006 |
| A racket frame including a first laminate composed of a plurality of first prepregs consisting of fiber reinforced resin and a second prepreg, consisting of fiber reinforced resin, which is layered on the first laminate. The first laminate has a loss factor (=tan .delta.) set to not |
| 7130782 |
Gas flow simulation method |
October 31, 2006 |
| A gas flow simulation method includes setting an imaginary object model such as a sphere model having at least one concavity, convexity, groove or projection formed thereon by means of a computer. A spatial part on a periphery of the imaginary object model is set. A surface of the im |
| 7130748 |
Simulation method for estimating performance of product made of viscoelastic material |
October 31, 2006 |
| A simulation method includes the step of momently measuring a value of each of a strain, a strain speed, and a stress generated in the viscoelastic material, deriving time history data of a viscous drag, the strain speed and the stress, thereby deriving a relationship among the strai |
| 7129295 |
Golf ball |
October 31, 2006 |
| A golf ball excellent in abrasion resistance and rebound characteristics. The golf ball according to the present invention is characterized in that the golf ball comprises a base resin constituting the cover containing a polyurethane having a polyisocyanate and a polyol as the constituen |
| 7128665 |
Golf ball |
October 31, 2006 |
| The present invention provides a yellow-colored golf ball which can be manufactured without polluting the production line with a yellow pigment, exhibits a glossy appearance, and has superior visibility in a cloudy weather, even in a rainy weather where the golf balls become less vis |
| 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 |
| 7122588 |
Golf ball |
October 17, 2006 |
| The object of the present invention is to provide a golf ball having a paint film which is excellent in the adhesion, the durability and the coloring-resistance. The golf ball of the present invention comprises a paint film formed on the surface of a golf ball body, wherein the paint |
| 7121959 |
Multi-piece solid golf ball |
October 17, 2006 |
| The invention provides a multi-piece solid golf ball having soft, good shot feel, excellent flight performance, high rebound characteristics and high launch angle, when hit by golfers who swing a golf club at high or low head speed using all golf clubs, namely, a driver to an iron club, |
| 7117074 |
Method and apparatus for alarming decrease in tire air-pressure and program for alarming decreas |
October 3, 2006 |
| A method for alarming decrease in tire air-pressure in which decrease in tire air-pressure is determined on the basis of rotational velocity information of a wheel of a vehicle. Respective thresholds for determining whether judgment of decrease in tire air-pressure is to be made or n |
| 7115698 |
Golf ball |
October 3, 2006 |
| A golf ball having a cured polyurethane cover which includes an isocyanate group terminated polyurethane prepolymer comprising a specific alicyclic diisocyanate as a polyisocyanate component, and a specific 4,4'-diaminodiphenylmethane derivative as a curing agent. |
| 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 |
| 7101291 |
Golf club head |
September 5, 2006 |
| A golf club head which includes a main body provided with a socket, and a weight member disposed in the socket, wherein the socket is a tubular portion extending to the inside of the main body and deforming a through-hole extending therethough, the weight member having a main portion |
| 7097572 |
Golf club head |
August 29, 2006 |
| A hollow metal club head comprises a face portion whose front surface defines the club face, and a turnback wall extending backward from the circumferential edge of the face portion, wherein a head volume is in a range of not less than 440 cc, a height of the club face is in a range of |
| 7097459 |
Golf swing diagnosis system |
August 29, 2006 |
| Reference points (M1 through M17) are specified in colors at two or more positions longitudinally spaced at a given interval on a golf club shaft (11a) and one or more positions selected from among a golfer's head and the like. A moving image of a golfer's swing is photographed by camera |
| 7096558 |
Method of manufacturing golf club head |
August 29, 2006 |
| A method of manufacturing a golf club head comprises: hot forging a material of a beta titanium alloy into the face plate, slow cooling the forged face plate; and assembling a golf club head from the face plate and other component(s). |
| 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 |
| 7094161 |
Golf ball |
August 22, 2006 |
| Golf ball 1 includes a core 2 formed by crosslinking a rubber composition and a cover 3 comprising a resin composition. The cover 3 has a two-layered structure including an outer cover layer 4 and an inner cover layer 5. A number of dimples 6 are formed on the surface of the cover 3. |
| 7090591 |
Golf club head |
August 15, 2006 |
| A golf club head comprising a head substrate having a coating film formed on a surface thereof. The coating film contains a shiny layer made of a shiny coating material containing metal oxide-coated glass pieces, with the content of the glass pieces in the shiny coating material being in |
| 7089817 |
Method of analyzing physical property of golf ball |
August 15, 2006 |
| A model (1) is obtained by dividing a golf ball into meshes. The model (1) comprises a large number of elements (3). An outermost layer of the model is wholly formed by fine elements (3a). The outermost layer is wholly formed by a fine element region. A number (Na) of divisions in the fi |
| 7087201 |
Process for producing golf ball |
August 8, 2006 |
| Half shell 10 has a bowl-like shape, and is composed of a thermoplastic resin composition. The half shell 10 has a top part 11 and a side part 12. The thickness Tt of the top part 11 is less than the thickness Ts of the side part 12. The difference (Ts-Tt) between both thicknesses is 0.0 |
| 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 |
| 7086963 |
Golf club head |
August 8, 2006 |
| A golf club head is described which has a hitting face for golf balls, the hitting face being formed at least partially by a metallic material satisfying the following relationship: y.ltoreq.0.006x+60 wherein x is Young's modulus(unit: kgf/mm.sup.2), and y is tensile strength(unit: k |
| 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 |
| 7077762 |
Golf club head |
July 18, 2006 |
| A golf club head which has a head volume v of not less than 300 cc, and a gravity point distance C (mm) satisfying the following condition: C.ltoreq.0.12.times.V-8, and optionally, the ratio (M/V) of the moment of inertia M (gsq.cm) of the club head around a vertical axis passing thr |
| 7077761 |
Golf club and method of making golf club |
July 18, 2006 |
| A wood-type golf club including a club shaft and a club head, wherein the club length is in a range of from 43 to 48 inches, the volume of the club head is in a range of not less than 250 cc, and the torque T in degree of the club shaft and the gravity point distance L in mm between the |
| 7076414 |
Gas flow simulation method |
July 11, 2006 |
| An object having a concavity on a surface thereof is formed by means of a computer. A part of the surface of the object including the concavity is extracted. A spatial part in contact with the extracted surface of the object is formed by dividing the extracted surface of the spatial part |
| 7074142 |
Racket frame |
July 11, 2006 |
| A tennis racket frame (10), including a sleeve composed of a fiber reinforced resin, having a weight not less than 180 g nor more than 270 g, when strings are not mounted in a ball-hitting face thereof surrounded with a head part thereof. Supposing that the strings are not mounted in |
| 7070512 |
Golf club |
July 4, 2006 |
| A golf club comprises a club shaft and a hollow club head, wherein the club head has a loft angle of from 14 to 18 degrees, a head volume of not less than 250 cc, and a sweet spot at a vertical distance of from 1 to 5 mm downwards of a face center, and the club shaft has a variable flexu |
| 7066838 |
Multi-piece solid golf ball |
June 27, 2006 |
| The present invention provides a multi-piece solid golf ball, of which durability is excellent and flight distance is improved by accomplishing high launch angle and low spin amount, when hit by golfers, who swing a golf club at low head speed, using a middle iron club to a driver. The |
| 7066834 |
Iron type golf club head |
June 27, 2006 |
| An iron type golf club head comprising: a face plate provided with face grooves; and a head main body arranging the face plate on a front surface thereof, wherein the face plate comprises a peripheral edge part firmly fixed to the head main body, and a non-supported part forming an area |
| 7062082 |
Method and apparatus of measuring three-dimensional posture of sphere and method of measuring ro |
June 13, 2006 |
| A sphere having a plurality of marks given to the surface thereof is photographed at a plurality of times to obtain a plurality of two-dimensional images of said sphere. An imaginary sphere having a plurality of marks given to the surface thereof is generated in a three-dimensional c |
| 7059981 |
Racket frame |
June 13, 2006 |
| A racket frame (10) including a laminate having not less than two fiber reinforced resinous layers layered one upon another and one or more modified fiber reinforced resinous layers (20) each containing a modified resinous composition, as a matrix resin, having a loss factor (=tan .d |
| 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 |
| 7059975 |
Two-piece solid golf ball |
June 13, 2006 |
| A two-piece solid golf ball having long flight distance when hit by a middle iron club to a driver, large spin amount when hit by a short iron club and the like and excellent controllability, while maintaining good shot feel as good as thread wound golf ball, said golf ball including a |
| 7056231 |
Golf ball |
June 6, 2006 |
| A golf ball achieving both excellent hit feeling and good restitution performance by using a rubber composition having moderate hardness and sufficient restitution performance is provided. The golf ball includes a rubber composition obtained by blending 10 to 50 parts by mass of a co |
| 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 |
| 7051416 |
Golf club head and method of making the same |
May 30, 2006 |
| A golf club head comprises a hollow body having a cavity, a plurality of rib-like walls provided on the inner surface of the hollow body so as to extend backward from a position near the face portion, and a sound bar disposed behind the face portion so as to extend along the back face of |
| 7048645 |
Golf club shaft |
May 23, 2006 |
| A golf club shaft whose outer diameter is set to 9.5 to 12 mm in at least one portion of a range from a tip thereof to a position located at 25% of the distance from the tip to its butt. The minimum value of a flexural rigidity (EI) is set to 1.00 to 2.50 kgm.sup.2. A reinforcing layer i |
| 7044865 |
Golf ball |
May 16, 2006 |
| 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 this cover 3 includes a thermoplastic polyurethane elastomer as a principal component. Shore D hardness of this |
| 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 |
| 7041002 |
Golf club head |
May 9, 2006 |
| A golf club head comprises a part made of a martensitic iron alloy which has: a nickel (Ni) content of from 9.0 to 12.0 weight %; a chromium (Cr) content of from 11.0 to 12.5 weight %; a titanium (Ti) content of from 1.5 to 1.8 weight %; a molybdenum (Mo) content of from 0.75 to 1.2 weig |
| 7025695 |
Golf club head |
April 11, 2006 |
| A golf club head comprises a face portion having a front face defining a club face for hitting a ball and a back surface, a sole portion extending backwards from a lower edge of the face portion, and a backside wall extending upwards from the sole portion and having a free upper end, |