Inventor · disambiguated record
John B. Kosmatka
Also filed as: KOSMATKA JOHN · KOSMATKA JOHN B
36 granted patents·1 pending application·4,465 citations·filing 1996–2011
99Inventor score
Top patents by PatentIndex Score
37 records- 0199US6638182B2Golf club head with coated striking plateCALLAWAY GOLF CO·Filed 2002·Granted Oct 28, 2003·379 cites·3 claims
- 0299US6348013B1Complaint face golf clubCALLAWAY GOLF CO·Filed 1999·Granted Feb 19, 2002·409 cites·1 claims
- 0399US6299547B1Golf club head with an internal striking plate braceCALLAWAY GOLF CO·Filed 1999·Granted Oct 9, 2001·398 cites·21 claims
- 0499US5971868AContoured back surface of golf club faceCALLAWAY GOLF CO·Filed 1997·Granted Oct 26, 1999·379 cites·26 claims
- 0599US5830084AContoured golf club faceCALLAWAY GOLF CO·Filed 1996·Granted Nov 3, 1998·444 cites·10 claims
- 0698US6607451B2Compliant polymer face golf club headCALLAWAY GOLF CO·Filed 2002·Granted Aug 19, 2003·174 cites·3 claims
- 0798US6478692B2Golf club head having a striking face with improved impact efficiencyCALLAWAY GOLF CO·Filed 2002·Granted Nov 12, 2002·173 cites·12 claims
- 0898US6348015B1Golf club head having a striking face with improved impact efficiencyCALLAWAY GOLF CO·Filed 2000·Granted Feb 19, 2002·127 cites·25 claims
- 0998US6338683B1Striking plate for a golf club headCALLAWAY GOLF CO·Filed 1999·Granted Jan 15, 2002·322 cites·15 claims
- 1097US7992763B2Fabrication of structural armorUNIV CALIFORNIA·Filed 2009·Granted Aug 9, 2011·52 cites·31 claims
- 1197US6390932B1Compliant polymer face golf club headCALLAWAY GOLF CO·Filed 2000·Granted May 21, 2002·135 cites·28 claims
- 1297US6364789B1Golf club headCALLAWAY GOLF CO·Filed 1999·Granted Apr 2, 2002·206 cites·7 claims
- 1397US6007432AContoured golf club faceCALLAWAY GOLF CO·Filed 1998·Granted Dec 28, 1999·157 cites·16 claims
- 1496US7527565B1Method and apparatus for forming a face structure for a golf club headCALLAWAY GOLF CO·Filed 2005·Granted May 5, 2009·98 cites·5 claims
- 1596US6932716B2Golf club headCALLAWAY GOLF CO·Filed 2003·Granted Aug 23, 2005·132 cites·13 claims
- 1696US6428427B1Golf club head with coated striking plateCALLAWAY GOLF CO·Filed 2000·Granted Aug 6, 2002·122 cites·8 claims
- 1795US7144334B2Golf club headCALLAWAY GOLF CO·Filed 2005·Granted Dec 5, 2006·77 cites·2 claims
- 1894US6800037B2Striking plate for a golf club headCALLAWAY GOLF CO·Filed 2003·Granted Oct 5, 2004·62 cites·6 claims
- 1993US6471603B1Contoured golf club faceCALLAWAY GOLF CO·Filed 1999·Granted Oct 29, 2002·89 cites·14 claims
- 2091US6602150B1Golf club striking plate with vibration attenuationCALLAWAY GOLF CO·Filed 2000·Granted Aug 5, 2003·71 cites·12 claims
- 2191US6413169B1Contoured golf club faceCALLAWAY GOLF CO·Filed 2001·Granted Jul 2, 2002·48 cites·3 claims
- 2290US6186905B1Methods for designing golf club headsCALLAWAY GOLF CO·Filed 1997·Granted Feb 13, 2001·108 cites·19 claims
- 2389US6685576B2Golf club head having a striking face with improved impact efficiencyCALLAWAY GOLF CO·Filed 2003·Granted Feb 3, 2004·39 cites·7 claims
- 2488US6949032B2Golf club head having a striking face with improved impact efficiencyCALLAWAY GOLF CO·Filed 2004·Granted Sep 27, 2005·35 cites·6 claims
- 2584US6527648B2Measurement of the coefficient of restitution of a golf clubCALLAWAY GOLF CO·Filed 2001·Granted Mar 4, 2003·25 cites·15 claims
- 2681US6709344B2Measurement of the coefficient of restitution of a golf clubCALLAWAY GOLF CO·Filed 2003·Granted Mar 23, 2004·19 cites·1 claims
- 2778US6669579B2Golf club head having a striking face with improved impact efficiencyCALLAWAY GOLF CO·Filed 2002·Granted Dec 30, 2003·17 cites·7 claims
- 2875US7621435B2Designs and fabrication of structural armorUNIV CALIFORNIA·Filed 2005·Granted Nov 24, 2009·6 cites·22 claims
- 2975US6569033B2Striking plate for a golf club headCALLAWAY GOLF CO·Filed 2001·Granted May 27, 2003·22 cites·5 claims
- 3075US6045455AInertially tailored golf club headsCALLAWAY GOLF CO·Filed 1997·Granted Apr 4, 2000·48 cites·33 claims
- 3174US7878922B2Face structure for a golf club headCALLAWAY GOLF CO·Filed 2010·Granted Feb 1, 2011·5 cites·6 claims
- 3271US7645201B2Method and apparatus for forming a face structure for a golf club headCALLAWAY GOLF CO·Filed 2009·Granted Jan 12, 2010·7 cites·6 claims
- 3370US6585605B2Measurement of the coefficient of restitution of a golf clubCALLAWAY GOLF CO·Filed 2001·Granted Jul 1, 2003·17 cites·9 claims
- 3467US6155932AGolf shaft for controlling passive vibrationsFiled 1999·Granted Dec 5, 2000·39 cites·15 claims
- 3553US5928090AGolf shaft for controlling passive vibrationsFiled 1997·Granted Jul 27, 1999·24 cites·21 claims
- 3650US7946930B1Face structure for a golf club headCALLAWAY GOLF CO·Filed 2011·Granted May 24, 2011·0 cites·5 claims
- 3746US2011300403A1Fabrication of structural armorVECCHIO KENNETH S·Filed 2011·Application pending·0 cites
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