Patent application number | Description | Published |
20090069113 | Golf club head - A golf club head having a hollow structure comprising a head main body provided with a top opening and a crown plate fitted in the top opening is disclosed. The head main body is provided with a support for the crown plate extending along the edge of the top opening and protruding into the top opening with a variable width from the edge of the top opening. the average Wa of the width of the crown plate support existing in the foreside one-quarter zone of the top opening, the average Wc of the width of the crown plate support existing in the backside one-quarter zone of the top opening, and the average Wb of the width of the crown plate support existing in the mid two-quarter zone of the top opening satisfy (1) Wa>Wb, and (2) Wc>Wb. | 03-12-2009 |
20090137339 | GOLF CLUB HEAD - A golf club head comprises a head main body made of a metal material and having a club face for striking a ball, and a vibration absorber made of a viscoelastic material and attached to the head main body. The vibration absorber is provided with a cut having a width of not more than 1.0 mm. Preferably, the cut is substantially parallel with the club face, and the surface at which the cut is opened, comes into contact with the head main body. | 05-28-2009 |
20090247313 | GOLF CLUB SET | 10-01-2009 |
20100056296 | GOLF CLUB HEAD - A head of a first aspect is provided with a head body h | 03-04-2010 |
20100287760 | MANUFACTURING METHOD OF GOLF CLUB HEAD - A manufacturing method of the present invention includes the steps of: preparing a pre-line forming member having no face line; and cutting the pre-line forming member using a cutter | 11-18-2010 |
20100323816 | IRON-TYPE GOLF CLUB HEAD - An iron-type golf club head is assembled from a front component ( | 12-23-2010 |
20110028235 | GOLF CLUB HEAD - A golf club head having a good feel of hitting a ball, comprising a head body | 02-03-2011 |
20120071270 | IRON TYPE GOLF CLUB HEAD - An iron type golf club head | 03-22-2012 |
20120295730 | GOLF CLUB - A golf club | 11-22-2012 |
20120295734 | GOLF CLUB SHAFT - In a shaft | 11-22-2012 |
20120309558 | GOLF CLUB SHAFT | 12-06-2012 |
20130095949 | GOLF CLUB SHAFT AND GOLF CLUB USING THE SAME - A golf club shaft extending from a tip end to a butt end and made of fiber reinforced resin, comprises a weight being in a range of from 30 to 55 g, a whole length LS between the tip end and the butt end, a center of gravity of the shaft located with a distance LG from the tip end, a ratio of the distance LG to the whole length LS being in a range of from 0.54 to 0.65, a tip end portion which has a length of 300 mm from the tip end toward the butt end, the tip end portion including fibers including a pitch based carbon fiber and a PAN based carbon fiber, and said fibers in the tip end portion comprising, in weight, the pitch based carbon fiber of from 15 to 25% and the PAN based carbon fiber of from 85 to 75%. | 04-18-2013 |
20130095950 | GOLF CLUB SHAFT AND GOLF CLUB USING THE SAME - A golf club shaft extending from a tip end to a butt end and made of fiber reinforced resin, comprises a weight being in a range of from 30 to 55 g, a whole length LS between the tip end and the butt end, a center of gravity of the shaft located with a distance LG from the tip end, a ratio of the distance LG to the whole length LS being in a range of from 0.54 to 0.65, a butt end portion which has a length of 300 mm from the butt end toward the tip end, the butt end portion including fibers including a low elastic fiber having an elastic modulus in a range of from 5 to 20 t/mm | 04-18-2013 |