| Patent Number |
Title Of Patent |
Date Issued |
| 7025693 |
Golf club head |
April 11, 2006 |
| A golf club head including a face member forming at least a part of the club face for hitting a golf ball, and a main body to which the face member is attached in the form of a junction, in which the joint surface of the face member and the joint surface of the main body come into co |
| 7024922 |
Viscoelastic characteristic value-measuring apparatus and method of measuring viscoelastic chara |
April 11, 2006 |
| A viscoelastic characteristic value-measuring apparatus, using a split Hopkinson's bar, having an impact bar, input bar, and an output bar. The input bar has a first strain gauge and a second strain gauge. The output bar has a third strain gauge and a fourth strain gauge. The input bar a |
| 7022031 |
Iron-type golf club head |
April 4, 2006 |
| An iron-type golf club head comprises a face portion whose surface defines a club face for hitting a ball, the face portion is provided with a thin part which is defined as having a thickness of not more than 3 mm, the thin part defines at least a part of the club face including a sweet |
| 7018305 |
Iron-type golf club head |
March 28, 2006 |
| An iron-type golf clubhead comprises a face plate having a front surface forming a clubface, a back surface and a circumferential surface, and a main body provided with a face mount in which the face plate is fitted, wherein the face mount comprises a side wall for supporting the cir |
| 7018303 |
Golf clubhead |
March 28, 2006 |
| A golf clubhead comprises a face portion having a back surface which is provided around a center region with at least two annular grooves so that the face portion is provided with at least two annular thin parts each being thinner than the center region and at least one rib part between |
| 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 |
| 6991559 |
Golf club head |
January 31, 2006 |
| A golf club head comprises a face plate having a back face and a front face forming a club face for hitting a ball; a clubhead main body to which the face plate is attached, the clubhead main body comprising a sole portion and a backside wall portion, the backside wall portion extend |
| 6989506 |
Method of making golf club head |
January 24, 2006 |
| A golf club head includes two metal parts which are connected each other by welding their opposite surfaces. A method of making the golf club head constitutes: making the two metal parts, wherein at least one of them is provided with a small protrusion along the surface to be welded; and |
| 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 |
| 6935969 |
Golf club shaft |
August 30, 2005 |
| A golf club shaft having a fiber reinforced thermosetting resinous material (10) and a fiber reinforced thermoplastic resinous material (20), wherein the fiber reinforced thermoplastic resinous material (20) having a vibration-damping factor not less than 1.0 has a weight not less than 1 |
| 6933336 |
Golf ball |
August 23, 2005 |
| The present invention provides a golf ball having a polyurethane cover, wherein the polyurethane cover is formed by curing a polyurethane cover composition which comprises an isocyanate group terminated polyurethane prepolymer comprising a specific alicyclic diisocyanate as a polyiso |
| 6932719 |
Golf club head and golf club |
August 23, 2005 |
| A head (5) comprises a body (9), a face (11), a neck (13) and a crown (15). The crown (15) includes an outer plate (21) and an inner plate (23). The outer plate (21) and the inner plate (23) are opposed to each other with a gap provided therebetween. The outer plate (21) and the inner pl |
| 6929566 |
Golf club head and method of manufacturing the same |
August 16, 2005 |
| A method of manufacturing a golf club head comprises: making a billet of a titanium alloy Ti-6Al-4V by machining an ingot of the titanium alloy; forging the billet into a face plate within a temperature range of from (the beta transformation temperature -150 degrees C.) to (the beta |
| 6929562 |
Golf club shaft and iron golf club set |
August 16, 2005 |
| A golf club shaft (1) in which a difference between a maximum EI value and a maximum EI value in the range from a tip (1a) to a position spaced therefrom at a distance corresponding to not less than 40% nor more than 60% of the whole length of the shaft (1) is set to less than 10% of the |
| 6926617 |
Golf club shaft |
August 9, 2005 |
| A golf club shaft has an angular layer composed of prepregs in which a reinforcing fiber inclines to the axis of the golf club shaft; a plurality of straight layers composed of prepregs in which the reinforcing fiber is disposed substantially parallel with the axis of the golf club shaft |
| 6919393 |
Solid golf ball |
July 19, 2005 |
| The present invention provides a solid golf ball having exceptional rebound characteristics and flight performance, as well as 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 core, |
| 6913548 |
Multi-piece solid golf ball |
July 5, 2005 |
| The present invention provides a multi-piece solid golf ball having excellent flight performance and good shot feel. The present invention relates to a multi-piece solid golf ball comprising a core consisting of an inner core, an intermediate layer and an outer layer, and a cover, wh |
