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| Number | Title | Issue Date |
| 8187118 | Golf club head A golf club head includes a face member having a ball-striking face and an oval thick portion positioned in a central portion of the ball-striking face. The oval thick portion has an oval shape having recesses formed by recessing both sides in a major axis direction... | 05/29/2012 |
| 8133135 | High moment of inertia wood-type golf clubs and golf club heads Wood-type golf club heads include: (a) a club head body including heel, toe, crown, sole, and weighted rear portions; and (b) a variable thickness ball striking face. The club head body parts and weighted portion(s) may be arranged such that the club head has a mome... | 03/13/2012 |
| 8096896 | Golf club head having a composite crown The present invention resides in a golf club head having a high COR that is durable and has desirable acoustic qualities. The club head includes a body portion, a striking face and a crown forming a hollow cavity of at least 150 cc in volume. The body portion define... | 01/17/2012 |
| 8075420 | Hardened golf club head A golf club head with a hardened striking face portion that improves durability and performance is disclosed. More specifically, the golf club head disclosed may have a martensitic striking face portion that may be at least about 1.3 times harder than the rear porti... | 12/13/2011 |
| 8047931 | Golf club head A golf club head comprises a face portion improved in the durability by increasing the strength of the toe-side upper region of the face portion. The face portion is formed from a unidirectionally rolled plate of a titanium alloy having alpha phase, and at least in ... | 11/01/2011 |
| 8033931 | Golf club head An iron-type golf club head is disclosed including a main body including a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face. The main body has a recessed region including a relief region in the fro... | 10/11/2011 |
| 8007371 | Golf club head with concave insert A hollow golf club head with a concave portion is disclosed and claimed. The club head includes a metallic portion and a light-weight portion, which may be formed of plastic, composite, or the like. The concave portion allows the club designer to make a club head ha... | 08/30/2011 |
| 8007372 | Golf club head with localized grooves and reinforcement The present invention relates to a golf club head provided with a shell defining an inner cavity and having a face and a body. The face has a first or reinforcement portion with a first thickness and a second or remaining portion with a second thickness less than th... | 08/30/2011 |
| 7967700 | Golf club head or other ball striking device having adjustable stiffened face portion A ball striking device, such as a golf club head, has a head that includes a face configured for striking a ball and a body connected to the face, the body being adapted for connection of a shaft thereto. The head may include one or more stiffening elements or other... | 06/28/2011 |
| 7946931 | Golf club head In a golf club head, a horizontal direction oriented from the toe side toward the heel side is defined as an X direction, while a vertical upward direction is defined as a Y direction; and the coordinate of the center of the hit face is defined as (0, 0); the coordi... | 05/24/2011 |
| 7942759 | Golf club head A golf club head 1 has a face part 2, a crown part 3, a sole part 4, a side part 5, and a hosel part 6, which are formed of titanium or a titanium alloy. The golf club head 1 is formed by integrating a head body 10... | 05/17/2011 |
| 7935003 | Golf club head A golf club head includes a face member having a ball-striking face and an oval thick portion positioned in a central portion of the ball-striking face. The oval thick portion has an oval shape having recesses formed by recessing both sides in a major axis direction... | 05/03/2011 |
| 7914396 | Golf club head A hollow golf club head includes a head main body having a face opening portion on a face side, and a face member that closes the face opening portion. A part or all of an upper edge of the face opening portion and an upper edge of the face member extends to a crown... | 03/29/2011 |
| 7892110 | Golf club training and warm-up apparatus A training apparatus for temporarily increasing the weight of a golf club head has a body member having a perimeter profile which may at least partially mimic that of the golf club head and has a substantially flat surface for positioning adjacent the striking face ... | 02/22/2011 |
| 7878925 | Golf club head Provided is a golf club head which has the coefficient of restitution within the regulated range and which is easy for hitting balls. The ball-hitting face is made of a material anisotropic in Young's modulus. Preferably the direction of the largest Young's modulus ... | 02/01/2011 |
| 7874938 | Composite articles and methods for making the same The present disclosure pertains to composite articles, and in particular a composite face plate for a golf club-head, and methods for making the same. In certain embodiments, a composite face plate for a club-head comprises a lay-up of multiple, composite prepreg pl... | 01/25/2011 |
| 7874937 | Composite articles and methods for making the same The present disclosure pertains to composite articles, and in particular a composite face plate for a golf club-head, and methods for making the same. In certain embodiments, a composite face plate for a club-head is formed with a cross-sectional profile having a va... | 01/25/2011 |
| 7874936 | Composite articles and methods for making the same The present disclosure pertains to composite articles, and in particular a composite face plate for a golf club-head, and methods for making the same. In certain embodiments, a composite face plate for a club-head is formed with a cross-sectional profile having a va... | 01/25/2011 |
| 7871340 | Golf club head having a composite face insert A golf club head having a composite face insert attached to a metallic body is provided. The club head preferably has a volume of at least 200 cc and provides superior durability and club performance. The face insert includes prepreg plies having a fiber areal weigh... | 01/18/2011 |
| 7862452 | Golf club head having a composite face insert A golf club head having a composite face insert attached to a metallic body is provided. The club head preferably has a volume of at least 200 cc and provides superior durability and club performance. The face insert includes prepreg plies having a fiber areal weigh... | 01/04/2011 |
| 7857712 | Golf club head An iron-type golf club head has a face which has a face surface of a flat shape, and a hosel which is continuous with the face on its heel side. A shaft insertion hole is disposed in the hosel. A protrusion protruding rearward is disposed in the vicinity of the cent... | 12/28/2010 |
| 7850546 | Golf club head having a composite face insert A golf club head having a composite face insert attached to a metallic body is provided. The club head preferably has a volume of at least 200 cc and provides superior durability and club performance. The face insert includes prepreg plies having a fiber areal weigh... | 12/14/2010 |
| 7811180 | Multi-metal golf clubs A composite material golf club head is provided having a body made from a first metal and a face insert press fitted to a portion of the body and made from a second metal. The metals are chosen so that the first metal is heavier than the second metal. The second met... | 10/12/2010 |
| 7794335 | Club heads with contoured back faces and methods of manufacturing the same Embodiments of club heads with contoured back faces and methods of manufacturing the same are described herein. Other embodiments and related methods are also disclosed herein ... | 09/14/2010 |
| 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 |
| 7775906 | Golf club A golf club has a shaft, and a head of a hollow structure fixed to an end of the shaft to be set to have a predetermined lie angle and a predetermined loft angle with respect to a reference horizontal plane. The head has a face portion which includes a ball hitting ... | 08/17/2010 |
| 7753808 | Golf club head A golf club head includes a portion with different thickness in a face portion. A region having a maximum thickness and a region having a minimum thickness are formed on a back of the face portion. An inclined portion with varying thickness is provided between those... | 07/13/2010 |
| 7749102 | Iron-type golf club head An iron-type golf club head comprises: a main unit made of a carbon steel having a carbon content Ch (wt %) and integrally including a hosel attached to a club shaft; and a face plate made of a carbon steel having a carbon content Cf (wt %) and attached to the main ... | 07/06/2010 |
| 7682264 | Golf club head structure A golf club head structure includes a body portion, a hitting plate portion, and a club body combining portion. The body portion has a first junction surface forming a first hook angle therewith. The hitting plate portion has a hitting surface and a second junction ... | 03/23/2010 |
| 7662051 | Golf head Present invention is relative to a golf head. The golf head includes a main part. The main part that is made of metal includes a body portion and a neck portion. A hitting part, which is made of metal that is harder than the main part, has a face portion and a botto... | 02/16/2010 |
| 7658686 | Golf club head with concave insert A hollow golf club head with a concave portion is disclosed and claimed. The club head includes a metallic portion and a light weight portion, which may be formed of plastic, composite, or the like. The concave portion allows the club designer to make a club head ha... | 02/09/2010 |
| 7651412 | Golf club head with progressive face stiffness A metal wood golf club head adapted for attachment to a shaft, with a body comprising of a first body portion and a second body portion, each portion constructed of a different density material. Combining a high density material in the first body portion with a low ... | 01/26/2010 |
| 7651413 | Golf club head of heterogeneous metals The present invention provides a golf club head of heterogeneous metals, which includes a main body having a front side forming a fitting cavity to which a striking face plate made of a metal having a specific weight less than nine is fit and a bottom side which is ... | 01/26/2010 |
| 7628712 | Golf club head having a composite face insert A golf club head having a composite face insert attached to a metallic body is provided. The club head preferably has a volume of at least 200 cc and provides superior durability and club performance. The face insert includes prepreg plies having a fiber areal weigh... | 12/08/2009 |
| 7614964 | Golf club head A hollow golf club head comprises a face portion having a front face defining a clubface and a rear face facing the hollow. The face portion is provided in the rear face with a central protrusion and a plurality of radial protrusions extending radially from the cent... | 11/10/2009 |
| 7607992 | Golf club head A hollow golf club head comprises: a hollow main body made of a fiber-reinforced plastic; and a face member made of a metal material and forming at least a part of the club face, wherein the hollow main body is single-piece and comprises a front portion of which out... | 10/27/2009 |
| 7604549 | Golf club head A golf club head comprises a face plate comprising a base portion including a front surface forming a club face for hitting a ball, a circumferential surface forming a front zone of a circumference of the club head, and a rib protruding from a back surface of the ba... | 10/20/2009 |
| 7604550 | Sand wedge with an interchangeable faceplate The present invention relates to sand wedge golf club, including an elongated shaft, a metal club head, a face plate, and an attachment mechanism. The club head has a wedge body and a hosel. The wedge body has a generally U-shaped frame with a planar front face and ... | 10/20/2009 |
| 7578754 | Iron-type gold club head An iron-type golf club head 1 having top 3, sole 4, and toe 4 connecting the top and the sole on the toe side, and comprising a face plate 7 forming at least a part of a club face 2 and a head body 8 to which the face... | 08/25/2009 |
| 7578755 | Wood-type hollow golf club head A wood-type hollow golf club head comprises a face having a specific thickness distribution, wherein average thicknesses tUTP, tUCP, tUHP, tMTP, tMCP, tMHP, tLTP, tLCP and tLHP of an upper toe portion UTP, upper central portion UCP, upper heel portion UHP, middle to... | 08/25/2009 |
