Inventor
KOSMATKA JOHN B
US34 patents
⚠️ This page may combine multiple inventors who share the name “KOSMATKA JOHN B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CALLAWAY GOLF CO
32 patentsUS6638182B2Oct 28, 2003
Golf club head with coated striking plate
CALLAWAY GOLF CO379 citations99
US6478692B2Nov 12, 2002
Golf club head having a striking face with improved impact efficiency
CALLAWAY GOLF CO173 citations99
US6471603B1Oct 29, 2002
Contoured golf club face
CALLAWAY GOLF CO89 citations99
US6364789B1Apr 2, 2002
Golf club head
CALLAWAY GOLF CO206 citations99
US6348015B1Feb 19, 2002
Golf club head having a striking face with improved impact efficiency
CALLAWAY GOLF CO127 citations99
US6348013B1Feb 19, 2002
Complaint face golf club
CALLAWAY GOLF CO409 citations99
US6338683B1Jan 15, 2002
Striking plate for a golf club head
CALLAWAY GOLF CO322 citations99
US6299547B1Oct 9, 2001
Golf club head with an internal striking plate brace
CALLAWAY GOLF CO398 citations99
US6007432ADec 28, 1999
Contoured golf club face
CALLAWAY GOLF CO157 citations99
US5971868AOct 26, 1999
Contoured back surface of golf club face
CALLAWAY GOLF CO379 citations99
US5830084ANov 3, 1998
Contoured golf club face
CALLAWAY GOLF CO444 citations99
US7527565B1May 5, 2009
Method and apparatus for forming a face structure for a golf club head
CALLAWAY GOLF CO98 citations98
US6932716B2Aug 23, 2005
Golf club head
CALLAWAY GOLF CO132 citations98
US6607451B2Aug 19, 2003
Compliant polymer face golf club head
CALLAWAY GOLF CO174 citations98
US6428427B1Aug 6, 2002
Golf club head with coated striking plate
CALLAWAY GOLF CO122 citations98
US6390932B1May 21, 2002
Compliant polymer face golf club head
CALLAWAY GOLF CO135 citations98
US6186905B1Feb 13, 2001
Methods for designing golf club heads
CALLAWAY GOLF CO108 citations98
US7144334B2Dec 5, 2006
Golf club head
CALLAWAY GOLF CO77 citations97
US6949032B2Sep 27, 2005
Golf club head having a striking face with improved impact efficiency
CALLAWAY GOLF CO35 citations96
US6800037B2Oct 5, 2004
Striking plate for a golf club head
CALLAWAY GOLF CO62 citations96
US6685576B2Feb 3, 2004
Golf club head having a striking face with improved impact efficiency
CALLAWAY GOLF CO39 citations96
US6602150B1Aug 5, 2003
Golf club striking plate with vibration attenuation
CALLAWAY GOLF CO71 citations96
US6413169B1Jul 2, 2002
Contoured golf club face
CALLAWAY GOLF CO48 citations96
US6669579B2Dec 30, 2003
Golf club head having a striking face with improved impact efficiency
CALLAWAY GOLF CO17 citations93
US6569033B2May 27, 2003
Striking plate for a golf club head
CALLAWAY GOLF CO22 citations93
US6045455AApr 4, 2000
Inertially tailored golf club heads
CALLAWAY GOLF CO48 citations93
US6709344B2Mar 23, 2004
Measurement of the coefficient of restitution of a golf club
CALLAWAY GOLF CO19 citations92
US6585605B2Jul 1, 2003
Measurement of the coefficient of restitution of a golf club
CALLAWAY GOLF CO17 citations92
US6527648B2Mar 4, 2003
Measurement of the coefficient of restitution of a golf club
CALLAWAY GOLF CO25 citations92
US7878922B2Feb 1, 2011
Face structure for a golf club head
CALLAWAY GOLF CO5 citations73
US7645201B2Jan 12, 2010
Method and apparatus for forming a face structure for a golf club head
CALLAWAY GOLF CO7 citations70
US7946930B1May 24, 2011
Face structure for a golf club head
CALLAWAY GOLF CO0 citations52