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| Number | Title | Issue Date |
| 8088025 | Golf club head An iron-type golf club head is disclosed having a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face. A back wall is also disclosed in the rear portion enclosing a portion of the rear portion to crea... | 01/03/2012 |
| 8038546 | Wood-type golf club head A hollow wood-type golf club head 1 capable of controlling the spring effect without excessively increasing the weight of a face portion, the club head 1 comprising a face portion 3 having a face 2 for hitting a golf ball, a sole portion ... | 10/18/2011 |
| 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 |
| 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 |
| 7819759 | Golf club head The present invention provides 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 by varied hit points of clubface. A golf club head 1 has a face part 2, a crown part 3, a s... | 10/26/2010 |
| 7762909 | Hollow metal golf club head and method for manufacturing the same A hollow metal golf club head having a shell structure comprises a crown portion having a thickness gradually decreasing from the front edge toward the rear end of the head. A method of manufacturing the head comprises: making a face plate having an upper turnback w... | 07/27/2010 |
| 7686708 | Metal-composite golf club head A golf club head is formed with a crown having an aperture with an arcuate rear edge and a forward edge that is substantially parallel to the striking face. The aperture is transected by an arcuate rib that extends from a region proximal the heel end of the crown to... | 03/30/2010 |
| 7670236 | Club head for iron golf club An iron club head for an iron golf club, includes: an upper portion of a face member; and a lower portion of the face member, wherein: a maximum height (H) on the face member at which a ball is to be hit is obtained by an equation: H=Rb×(1−sin(loft angle−8)+DP/... | 03/02/2010 |
| 7651414 | Golf club head having a displaced crown portion A hollow wood-type golf club head having an increased weight budget and improved mass characteristics at minimum structural mass is disclosed. The club head has a striking face portion, a sole portion, a skirt portion, and a crown portion having a total surface area... | 01/26/2010 |
| 7507168 | Golf club head A golf club head includes a hollow head body, a metal plate, and a compression resistant plate. The hollow head body is formed with an opening. The metal plate is fixed to the hollow head body, covers the opening, and has a thickness ranging from 0.1 to 0.5 mm. The ... | 03/24/2009 |
| 7462112 | High energy transfer golf club head and associated method A golf club head and associated method for minimizing flex of a golf club striking face upon impact with a golf ball. The golf club head comprises a shell having front and rear portions. The front portion includes an impact segment with a striking face for impacting... | 12/09/2008 |
| 7445564 | Golf club head A golf club head includes: a hollow shell head body that defines a face portion for hitting a ball and a crown portion; and a weight-massed portion that is formed on at least crown portion, wherein the weight-massed portion extends in a face-to-back direction of the... | 11/04/2008 |
| 7442132 | Golf club head A golf club head includes a face including a bulge formed at the center of a backside thereof and having a thickness of 2.0 or more times the thickness of the thinnest part, and a plurality of ribs extended from the bulge toward a circumference of the face. Six or m... | 10/28/2008 |
| 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 |
| 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 |
| 7419441 | Golf club head weight reinforcement A wood-type golf club head is described that includes a body including one or more walls defining an interior cavity and multiple weight ports formed in the body. At least one weight is configured to be retained at least partially within at least one of the weight p... | 09/02/2008 |
| 7416496 | Gold club head A golf club head (20) having optimized inertial properties and center of gravity is disclosed. The golf club head (20) preferably has a volume between 300 cubic centimeters and 500 cubic centimeters. The golf club head (20) has a center of gravi... | 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 |
| 7396298 | Golf club head with reinforced crown A golf club head with a front wall, a rear wall and a reinforced crown includes ribs in the crown that are spaced more closely together near the front wall than near the rear wall. Preferably, the ribs radiate from a point in space located forward of the front wall.... | 07/08/2008 |
| 7390271 | Golf club head A hollow golf club head is provided. A sole portion is provided with at least one rib extended from a toe side to a heel side. The rib is curved in a manner that a toe-side end and a heel-side end of the rib are located closer to a face side than a central part of t... | 06/24/2008 |
| 7387579 | Golf club head A golf club head includes a head body having a front opening, a striking plate member covering the front opening, and at least one vibration-absorbing element. The striking plate member includes a striking face with a striking zone, and a back face opposite to the s... | 06/17/2008 |
| 7384348 | Golf club head A golf club head includes a head body having a front opening, a striking plate member, and a vibration-absorbing plate member. The striking plate member covers the front opening, and has a front striking face with a striking zone, and a ring projecting rearwardly fr... | 06/10/2008 |
| 7371188 | Golf club head having a connecting structure for a high degree of flexibility A golf club head includes a striking plate component and a rear-assembling component mechanically connected thereto. The striking plate component provides with a striking face and a rear-connecting wall. The rear-connecting wall is bent rearward and extended a rearw... | 05/13/2008 |
| 7371191 | Golf club head A hollow golf club head having a face portion for hitting a golf ball comprises a main body made of at least one kind of metal material, said main body having the face portion and at least two openings, and cover m... | 05/13/2008 |
| 7367899 | Metal wood club with improved hitting face A hitting face of a golf club head having improved strength properties. In one embodiment, the hitting face is made from multiple materials. The multiple materials form layers of a laminate construction of a flat portion of a hitting face insert. The layers of the l... | 05/06/2008 |
| 7367897 | COR adjustment device A golf club head with a variable coefficient of restitution is disclosed and claimed. The club head includes a bias member that contacts and exerts a force against the interior surface of the face. The force exerted against the interior of the face lessens the face ... | 05/06/2008 |
| 7367900 | Golf club head A hollow golf club head containing a face component made of a metal material and including a face plate forming a face portion of the head and a turnback extending backward from the face plate; a FRP component made of a fiber reinforced resin; and an elastomeric ins... | 05/06/2008 |
| 7364513 | Golf club head with inserts for impact face A striking face for golf clubs, such as a driver, iron or putter comprising a plurality of bars retained in the club head body and forming the striking surface. The bars which comprise the striking face according to the invention may be designed and arranged to prov... | 04/29/2008 |
| 7361099 | Metal wood club with improved hitting face A hitting face of a golf club head having improved flexural stiffness properties. In one embodiment, the hitting face is made from multiple materials. The main portion of the hitting face is a plate-like face made from a first material having a first density. A dens... | 04/22/2008 |
| 7361100 | Metal composite golf club head A golf club head is formed with a crown having an aperture with an arcuate rear edge and a forward edge that is substantially parallel to the striking face. The aperture is transected by an arcuate rib that extends from a region proximal the heel end of the crown to... | 04/22/2008 |
| 7354355 | Golf club head or other ball striking device with modifiable feel characteristics Ball striking devices, such as golf club heads (including putter heads), include devices within and/or otherwise engaged with the ball striking head that allow users to selectively change the sound and/or other aspects of the “feel” associated with using the bal... | 04/08/2008 |
| 7351163 | Golf club head A head body of a golf club head has a hollow portion defined by an outer wall. An opening portion is provided in a part of the head body. A small tungsten alloy piece having a shape fittable to the opening portion so as to cover the opening portion is fixedly attach... | 04/01/2008 |
| 7351161 | Scientifically adaptable driver An improved golf ball driver has a first weight positioned within the clubhead of the driver, and a first means for adjusting the first weight in a generally vertical direction within the clubhead, that is, from top to bottom thereof. The improved driver also has a ... | 04/01/2008 |
| 7338390 | Multi-material golf club head A golf club head in accordance with various aspects of the present invention, may have a higher volume and/or higher strength. The golf club head may comprise a frame structure with a composite matrix. The golf club head may also comprise a detachable face, allowing... | 03/04/2008 |
| 7331877 | Golf club head A maximum resilience point (M) of a head (1) is positioned above a center (C) of a hitting surface. On the maximum resilience point (M), (t2−t1) measured in accordance with a pendulum test determined by USGA has a maximum value. When coordinat... | 02/19/2008 |
| 7320646 | Multiple material golf club head A golf club (40) having a club head (42) with a face component (60), an aft body (61), and a sound modifying component (59) is disclosed herein. The face component (60) has a striking plate portion (72) and a return p... | 01/22/2008 |
| 7318782 | Golf club head A golf club head includes a front body formed of a metal material, an FRP body, a metallic sole plate, and a weight member. The front body has a face portion, a metal sole portion, a metal side portion (toe), a metal crown portion, a metal side portion (heel), and a... | 01/15/2008 |
| 7314067 | Design and manufacturing method for multi-material tube structures The present invention provides an improved tubular structure which uses the properties of different materials, such as stiffness, strength, and density are exploited in a manner which combines the most attractive characteristics of existing metal and composite tubes... | 01/01/2008 |
| 7311615 | Golf club head with ceramic layer A hollow club head having an aluminum alloy base material covered with another material layer of Ni or Ni/P with ceramic granules. The thickness of the material layer on the striking face is thicker than on the rest of the club head. The material layer has a hardnes... | 12/25/2007 |
| 7303488 | Golf club head A hollow golf club head comprises: a face portion whose front face defines a club face for hitting a ball; a crown portion intersecting the club face at the upper edge thereof; and a sole portion intersecting the club face at the lower edge thereof, wherein at least... | 12/04/2007 |
