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| Number | Title | Issue Date |
| 7468005 | Golf club head The invention prevents a resin member from being broken so as to improve durability. The invention provides a golf club head (1) in which at least apart of a crown portion (4) forming an upper surface of the head is formed by a resin member (FR) made o... | 12/23/2008 |
| 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 |
| 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 |
| 7347795 | Golf club head A golf club head includes a front body formed of a titanium-based 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 portio... | 03/25/2008 |
| 7344452 | Golf club head A golf club head includes a front body formed of a titanium-based 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 portio... | 03/18/2008 |
| 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 |
| 7314418 | Golf 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... | 01/01/2008 |
| 7303489 | Golf club A golf club head and a method of making a golf club head includes a framework that is applied to the rear portion of the club head. A heat shrinkable membrane is mounted to the framework, by either mechanical means or by application of a bonding agent, creating a ho... | 12/04/2007 |
| 7281993 | Golf club head and manufacturing method of the same The invention prevents a crimple from being generated in a resin member. The invention provides a golf club head (1) including a head shell portion (M) made of a metal material and having an opening portion (O1), and a resin member (FR) made of a fiber... | 10/16/2007 |
| 7258624 | Golf club and method for manufacturing the same The partial crown portion member comprises: the edge frame made from metal; and the shell body provided inside the edge frame and made from resin enveloping the inner edge of the edge frame. Inside the edge frame, the plural through-holes penetrating the front surfa... | 08/21/2007 |
| 7258625 | Golf clubs and golf club heads A golf club head enables the initial velocity of a ball to be increased and enables the carry to be lengthened. In some example structures, the golf club includes a face plate formed from metal and club head body (e.g., a crown and sole) formed from fiber reinforced... | 08/21/2007 |
| 7252599 | Golf club head A hollow golf club head is formed form a metal member with at least one opening. An FRP member made of a fiber reinforced resin is attached to the metal member to cover the opening. The metal member has at least one slit extending along at least a periphery of the o... | 08/07/2007 |
| 7250008 | Iron golf club The iron golf club head (20) of the present invention is preferably composed of three main components: a periphery member 22, a central member 24 and a face plate 26. The periphery member (22) is preferably composed of a high densi... | 07/31/2007 |
| 7232381 | 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... | 06/19/2007 |
| 7220189 | Iron golf club The iron golf club head (20) of the present invention is preferably composed of three main components: a periphery member 22, a central member 24 and a face plate 26. The periphery member (22) is preferably composed of a high densi... | 05/22/2007 |
| 7189165 | Golf club head A golf club head comprises: a hollow main body made of at least one metal material and provided in at least one of a crown portion and a sole portion of the head with an opening; and an FRP part covering said opening and made of at least one resinous material reinfo... | 03/13/2007 |
| 7147577 | Hollow golf club head A hollow golf club head enables to increase the bonding strength of an outer shell member made of metal and an outer shell member made of fiber reinforced plastic. The hollow golf club head comprises a hollow golf club having a head body of a hollow structure formed... | 12/12/2006 |
| 7134972 | Golf head A golf head includes a hollow head body defining a front opening and having a reinforcing portion that is made from a non-metal material, a striking plate received in the front opening and secured to the head body, and a plurality of first reinforcing metal ribs emb... | 11/14/2006 |
| 7128662 | Golf club head The present invention relates to a golf club head composed of a metal member made of at least one kind of metal material and a FRP member made of a fiber reinforced resin, the metal member having a first lap joint part, and the FRP... | 10/31/2006 |
| 7128664 | Golf club head and manufacturing method thereof The present invention intends to prevent deviation and gap from being generated in a joining section of a golf club in which a head main body 10A and a surface material 10B are integrated by joining together and provide a high quality golf club head ha... | 10/31/2006 |
| 7125343 | Iron golf club head A recess portion is provided on a rear face of a head main body. A resin layer is bonded between ribs, of an innermost face. After an element assembly of the resin layer, an element assembly of the FRP body and a balloon are inserted into the recess portion, the iro... | 10/24/2006 |
| 7022032 | Golf club head and manufacturing method therefor A golf club head and manufacturing method. The method includes the steps of: selectively forming through holes on a surface of a golf club head; preparing carbon-fiber plates which are made of prepared carbon-fiber fabrics; providing a cushion channel between an out... | 04/04/2006 |
| 6994637 | Multiple material golf club head A golf club (40) having a club head (42) with a face component (60) and an aft-body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61 | 02/07/2006 |
| 6992139 | Monodisperse heterotelechelic diol/amine-based polyurethane/urea hybrids for use golf balls A golf ball including a core and a cover layer, where the cover layer includes a curing agent and a polyurethane/urea hybrid prepolymer formed from a polyisocyanate and a monodisperse heterotelechelic polymer having a polydispersity of from about 1.0 to about 1.3, a... | 01/31/2006 |
| 6932875 | Golf club head and method for manufacturing the same A golf club head has a metal base, face and tubular neck and a carbon-fiber cover. The face extends up vertically from one edge of the base. The tubular neck is integrally connected to the base and the face. The cover is made of a carbon-fiber material and is secure... | 08/23/2005 |
| 6921503 | Lost foam molding A method is provided for molding an article (10) that includes a polymer (100) such as an epoxy resin, reinforced by fibrous material (102) such as fiberglass which is embedded in the polymer material, especially for a hollow article such as a s... | 07/26/2005 |
| 6881292 | Golf club head and manufacturing method therefor A manufacturing method for a golf club head comprises steps of: forming a plurality of through holes and annular recessed flanges thereof on a crown plate, a sole plate and a side plate of a main body blank; preparing a plurality of carbon-fiber plates by carbon-fib... | 04/19/2005 |
| 6849003 | Golf club head A golf club head made of a fiber reinforced resin, comprising: a face hitting a ball; a crown forming an upper surface of the head; a sole forming a bottom surface of the head; a side extending between the crown and the sole from an edge on a toe side of the face to... | 02/01/2005 |
| 6805643 | Composite golf club head A composite golf club head includes a strike plate having a neck formed at an end of the strike plate. A rear portion is formed at an upper side of the strike plate and extends backwards. An inner plate, made up of multiple layers of fiber prepreg material, is adher... | 10/19/2004 |
| 6648774 | Composite golf club head having a metal striking insert within the front face wall The present invention provides a hollow golf club head comprising a metal striking insert and a composite body. The metal striking insert (1) is molding within the front face wall (2) of the club head body and is securely attached at the outside perimeter... | 11/18/2003 |
| 6645086 | Compound golf club head A golf club head is constructed to include a hollow casing molded from a compound material, an L-shaped thin sheet of metal packing plate and a cover plate. The casing has a front face, a bottom face, a back face, a toe, a heel, a neck, and a top open sid... | 11/11/2003 |
| 6248024 | Composite golf club head A composite golf-club head is disclosed with at least one complex three-dimensional molded composite part. The part has multiple interleaved plies of reinforcing fiber, and has a wall with an interleave ratio greater than about 30, preferably greater than... | 06/19/2001 |
| 6210290 | Golf club and weighting system A golf club head having a defined internal cavity, and a golf club head containing a bi-material weight having a nonhomogeneous structure. A method to add the bi-material weight to the golf club entails heating, vibration and cooling to produce the nonhom... | 04/03/2001 |
| 6010411 | Densified loaded films in composite golf club heads The present invention is directed to improved heads for golf clubs, including iron, wood and putter type golf club heads, and to methods of manufacturing such golf club heads. One or more layers of a loaded film are used to define in part the overall weig... | 01/04/2000 |
| 5766094 | Face inserts for golf club heads A golf club head including a striking face comprising a recessed area in the striking face and an insert secured in the recessed area. The insert has at least one cavity therein with the cavity terminating short of the outer striking face.... | 06/16/1998 |
| 5672120 | Golf club head The present invention is directed to a golf club head comprising a central core having an outer surface, at least one continuous fiber extending around at least a portion of the outer surface of the core closest to the club face, and an external resin lay... | 09/30/1997 |
| 5643108 | Structure for golf club head and the method of its manufacture A new structure for a golf club head which is lighter yet with lower impact loss and featuring internal reinforcements is designed according to research results from impact mechanics. The impact capability of the golf club head can be improved by placing ... | 07/01/1997 |
| 5624331 | Composite-metal golf club head A composite-metal wood-style golf club head having a metal casing with at least two openings in the crown in which composite covers are disposed. The portion of the metal casing between the covers defines a bar-like stiffener that extends between the face... | 04/29/1997 |
| 5516107 | Wood type golf club head A method of producing a wood type golf club head which comprises molding and curing integrally an outer shell portion of a head main body having a hollow portion thereinside and equipped with a recess on at least one of the toe, back and heel sides thereo... | 05/14/1996 |
| 5497993 | Structure of golf club head A golf club head having a neck at one end for connecting the shaft and a face panel at one side for hitting the ball, wherein the face panel consists of a meshed member made of a rigid metal and defining a plurality of open spaces, and a flexible blocking... | 03/12/1996 |
