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| Number | Title | Issue Date |
| 8151704 | Method for printing on spherical object and pad to be used therefor There are provided a printing method in which at least approximately hemispherical portion of a spherical object to be printed can be printed by pressing a pad against the portion one time, and which can prevent an image printed on the spherical object to be printed... | 04/10/2012 |
| 8092320 | Golf club head The present invention provides a golf club head that can hit a ball with a sufficiently large amount of backspin. The golf club head according to the present invention is an iron type golf club head made of a metal and including a flat face. A plurality of traces ar... | 01/10/2012 |
| 8033932 | Golf club head A golf head club has a high moment of inertia and thus produces a pleasing hitting sound. A metallic golf club head 1 having a hollow space therein includes a face member 30 provided with a face part 31, and a body member 10 provided with... | 10/11/2011 |
| 7922601 | Golf club head A golf club head according to the present invention comprises a plurality of score lines on a face, and a stair-shaped portion comprising a plurality of steps formed on a side wall of the score line from a face side end of the side wall in a depth direction of the s... | 04/12/2011 |
| 7883431 | Golf club head There is provided a golf club head capable of increasing carry on average even if being used by an amateur golfer who is prone to hit a ball with various hit points across the clubface. A golf club head 1 has a face part 2, a crown part 3, a sol... | 02/08/2011 |
| 7870790 | Method and apparatus for evaluating feeling of hitting generated by golf club A method for evaluating feeling of hitting of a golf club, includes: measuring vibration of a golf club appearing in a circumferential direction of a shaft when a golf ball is hit by the golf club having the three-axis accelerometer attached to the shaft by a three-... | 01/18/2011 |
| 7862454 | Golf ball The present invention provides a golf ball composed of a core and a cover having an outside surface on which are formed a plurality of dimples. Letting BV and CV be the initial velocity (m/s) of, respectively, the ball and the core as measured by a method using an i... | 01/04/2011 |
| 7850545 | Golf club head There is provided a golf club head that produces a loud hitting sound satisfying the golfer even if the volume of the golf club head having a hollow structure is increased to at least about 400 cc. A golf club head 1 having a hollow structure comprises a face... | 12/14/2010 |
| D627407 | Golf ball | 11/16/2010 |
| D627406 | Golf ball | 11/16/2010 |
| 7828676 | Golf club head A golf head club has a high moment of inertia and thus produces a pleasing hitting sound. A metallic golf club head 1 having a hollow space therein includes a face member 30 provided with a face part 31, and a body member 10 provided with... | 11/09/2010 |
| 7824279 | Golf club head This invention provides a golf club head including a plurality of score lines on a face. In the golf club head according to this invention, the angle between each side surface of the score lines and the face is 48° or more. Edges of the score lines are formed to be... | 11/02/2010 |
| 7798916 | Golf club head This invention provides a hollow metal golf club head including at least a face portion, sole portion, side portion, and crown portion. This golf club head includes a head main body having an opening in the face portion, and a face plate engaged and welded with the ... | 09/21/2010 |
| 7785213 | Golf club head A golf club head includes a metallic head body 1 having a cavity 10 therein and an opening 8 being formed in a face part 2 therethrough to the cavity, and a metallic face plate 9 welded to the opening. The opening 8 is demar... | 08/31/2010 |
| 7780550 | Color golf ball The invention provides a colored golf ball composed of a core, a cover having a plurality of dimples formed on an outside surface thereof, and an inside layer in contact with the cover. The ball satisfies the following conditions: (i) a color difference... | 08/24/2010 |
| 7717809 | Multi-piece solid golf ball The invention provides a multi-piece solid golf ball having a core, an outermost layer cover with a surface on which are formed a plurality of dimples, and one or more intermediate layer between the core and the cover. At least one intermediate layer and the outermo... | 05/18/2010 |
| 7637823 | Golf club head This invention provides a hollow golf club head including a fixing member which includes a shaft body formed with a threaded portion at one end, and a head portion at the other end of the shaft body, a viscoelastic body having an opening through which the shaft body... | 12/29/2009 |
| 7568984 | Hollow golf club head A hollow golf club head is provided that includes a face portion, a sole portion extending backward from a lower portion of the face portion to form a bottom portion of the golf club head, a crown portion extending backward from an upper portion of the face portion ... | 08/04/2009 |
| 7513837 | Three-piece solid golf ball A three-piece solid golf ball having a solid core, an intermediate layer enclosing the solid core, and a cover layer enclosing the intermediate layer and having a large number of dimples formed in its surface, characterized in that the core deforms as much as 2.6 to... | 04/07/2009 |
| D588666 | Putter head | 03/17/2009 |
| D588665 | Putter head | 03/17/2009 |
| D588222 | Putter head | 03/10/2009 |
| D588221 | Putter head | 03/10/2009 |
| 7455602 | Golf ball The invention provides a golf ball composed of a core, a cover, and an intermediate layer between the core and the cover, which ball has a surface with a plurality of non-circular dimples thereon. The cover is harder than the intermediate layer. The ball surface has... | 11/25/2008 |
| 7455600 | Golf club head A hollow golf club head includes a face portion, a sole portion, a side portion, a crown portion and a hosel portion. A main portion of the crown portion is made of a fiber plastic resin. At least the face portion, a front edge portion of the crown portion continuou... | 11/25/2008 |
| 7455597 | Golf club head This invention provides a hollow golf club head having a face portion, a crown portion, a sole portion, and a side portion. The head has 0.3 to 0.6-mm thick thin-walled regions on the face side of the crown portion and the face side of the side portion, a medium-thi... | 11/25/2008 |
| 7452292 | Golf ball In a golf ball having, on a spherical surface, numerous dimples in a plurality of types of differing diameter, the dimples include smallest size dimples having a diameter of 2.7 mm or less and largest size dimples having a diameter of 4.3 mm or less. At least 50% of... | 11/18/2008 |
| 7445567 | Multi-piece solid golf ball The invention provides a multi-piece solid golf ball having a core, an envelope layer which encases the core and is composed of an inside layer and an outside layer, an intermediate layer encasing the envelope layer, and a cover which encases the intermediate layer ... | 11/04/2008 |
| 7445566 | Golf ball A golf ball comprising a core, an intermediate layer, and a cover exhibits a good profile of rebound, feel and durability suited for low head speed amateur players when it satisfies the requirements that (Shore D hardness of the cover)−(Shore D hardness of the int... | 11/04/2008 |
| 7445565 | Multi-piece solid golf ball The invention provides a multi-piece solid golf ball having a rubber-based core encased by, in order, an intermediate layer and a cover. The core contains from 0.05 to 0.5 part by weight of sulfur per 100 parts by weight of the rubber base, has a hardness difference... | 11/04/2008 |
| 7442130 | Iron set An iron set has plural iron golf clubs, in which loft angles of heads are larger as the number is increased, each golf club including the head having a sole that includes a front sole on a front side and a rear sole adjacent to the front sole. A bounce angle θ... | 10/28/2008 |
| D579368 | Measurement device of golf club head speed | 10/28/2008 |
| 7438649 | Golf club head A golf club head is formed from a front-face body made of a metal material, an FRP body, a metal sole plate, and a weight member. The front-face body is formed from a front-face body main body made of a crystalline metal, and a face plate which is fitted in an openi... | 10/21/2008 |
| 7435191 | Golf club head A hollow golf club head includes a face part, a crown part, a sole part, a side part, and a hosel part. The head has a volume of 300 to 460 cm3 and a weight of 175 to 220 g. The crown part includes a large-thickness crown part formed along an overall edge... | 10/14/2008 |
| 7435188 | Golf putter head A golf putter head includes a hollow-structured body frame made of a metal material having a specific gravity of 4 to 9, which includes a face forming a recess, a crown forming in a center thereof a depression occupying at least 35% of an entire area of the crown, a... | 10/14/2008 |
| 7435089 | Ballistic trajectory simulation method and flight simulation method for golf ball A ballistic trajectory method for a golf ball is disclosed wherein a ballistic trajectory of a golf ball having a plurality of dimples formed on the surface thereof when the golf ball is hit to fly at an arbitrary number of rotations and an arbitrary initial speed c... | 10/14/2008 |
| 7431668 | Golf club head A hollow golf club head includes a face part, a crown part, a sole part, a side part, and a hosel part. The head has a volume of 80 to 200 cm3 and a weight of 205 to 250 g, a distance between face-side and back-side edges divided by a distance between a t... | 10/07/2008 |
| 7425182 | Multi-piece solid golf ball The present invention provides a multi-piece solid golf ball having a core obtained by molding under heat a specific rubber composition and having a cover of at least three layers which encases the core. By optimizing the deflection of the core under a specific load... | 09/16/2008 |
| 7416495 | Golf club This invention provides a wood type golf club including a shaft, a grip at one end of the shaft, and a head at the other end of the shaft, wherein a mass m (g) of the golf club and a length L (cm) from a grip side end of the golf club to a barycentric position of th... | 08/26/2008 |
| 7410427 | Iron golf club head An iron golf club head includes a head main body and an FRP body. The head main body includes a face portion, a first face along the face portion, second faces, and a recess behind the head portion. The second faces continue from a rear face of the face portion to t... | 08/12/2008 |
