Inventor
LLEWELLYN DAVID
US67 patents
⚠️ This page may combine multiple inventors who share the name “LLEWELLYN DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MIZUNO USA INC
23 patentsUS7611424B2Nov 3, 2009
Golf club head and golf club
MIZUNO USA INC661 citations99
US9597563B2Mar 21, 2017
Multi-track adjustable golf club
MIZUNO USA INC51 citations93
USD619184SJul 6, 2010
Back design for iron golf club heads
MIZUNO USA INC28 citations93
USD736875SAug 18, 2015
Iron-type golf club head
MIZUNO USA INC19 citations92
USD720026SDec 23, 2014
Iron-type golf club head
MIZUNO USA INC26 citations92
USD619183SJul 6, 2010
Back design for iron golf club heads
MIZUNO USA INC28 citations92
USD603923SNov 10, 2009
Back design for an iron golf club head
MIZUNO USA INC21 citations92
USD600765SSep 22, 2009
Back design for an iron golf club head
MIZUNO USA INC16 citations92
USD446567SAug 14, 2001
Sole portion for a golf club head
MIZUNO USA INC36 citations92
USD617858SJun 15, 2010
Driver-type golf club head
MIZUNO USA INC34 citations91
USD617403SJun 8, 2010
Driver-type golf club head
MIZUNO USA INC38 citations91
USD736872SAug 18, 2015
Iron-type golf club head
MIZUNO USA INC11 citations84
US8021246B2Sep 20, 2011
Iron golf club heads and golf club sets with variable weight distribution
MIZUNO USA INC11 citations84
US7972222B2Jul 5, 2011
Iron golf club heads and golf club sets with variable weight distribution
MIZUNO USA INC7 citations84
USD618295SJun 22, 2010
Fairway wood-type golf club head
MIZUNO USA INC9 citations84
USD617859SJun 15, 2010
Hybrid golf club head
MIZUNO USA INC9 citations84
USD600766SSep 22, 2009
Back design for an iron golf club head
MIZUNO USA INC10 citations84
USD720416SDec 30, 2014
Iron-type golf club head
MIZUNO USA INC6 citations83
USD629061SDec 14, 2010
Iron-type golf club
MIZUNO USA INC15 citations83
USD620063SJul 20, 2010
Back design for hybrid golf club heads
MIZUNO USA INC11 citations83
US7758440B2Jul 20, 2010
Wood-type golf club heads and methods of adjusting the same
MIZUNO USA INC18 citations82
USD611554SMar 9, 2010
Back design for an iron golf club head
MIZUNO USA INC12 citations82
US9333399B2May 10, 2016
Adjustable golf club
MIZUNO USA INC4 citations73
MIZUNO USA
10 patentsUS8016694B2Sep 13, 2011
Golf club head and golf clubs
MIZUNO USA332 citations99
USD561284SFeb 5, 2008
Golf club wood head
MIZUNO USA115 citations98
USD579507SOct 28, 2008
Crown for a hybrid golf club
MIZUNO USA133 citations97
USD564611SMar 18, 2008
Golf club wood head
MIZUNO USA90 citations95
USD645103SSep 13, 2011
Iron-type golf club
MIZUNO USA26 citations92
USD550316SSep 4, 2007
Recessed back portion of a golf iron
MIZUNO USA41 citations92
USD549295SAug 21, 2007
Recessed back portion of a golf iron
MIZUNO USA28 citations92
USD639363SJun 7, 2011
Wood-type golf club
MIZUNO USA17 citations91
USD641817SJul 19, 2011
Wood-type golf club head
MIZUNO USA14 citations87
USD550796SSep 11, 2007
Lower back portion of a golf iron
MIZUNO USA8 citations74
MIZUNO KK
10 patentsUSD466961SDec 10, 2002
Back of a golf club head
MIZUNO KK72 citations96
USD428635SJul 25, 2000
Recessed back portion of a golf club head
MIZUNO KK106 citations96
USD428634SJul 25, 2000
Recessed back portion of a golf club head
MIZUNO KK116 citations96
USD461865SAug 20, 2002
Sole for a golf club wood
MIZUNO KK104 citations95
USD466576SDec 3, 2002
Rear inset of a golf club head
MIZUNO KK47 citations93
US6416422B1Jul 9, 2002
Golf club head with bounce channel
MIZUNO KK32 citations93
USD521095SMay 16, 2006
Back design for a golf club iron head
MIZUNO KK15 citations92
USD449086SOct 9, 2001
Recessed back portion of a golf club head
MIZUNO KK22 citations89
US10159880B1Dec 25, 2018
Adjustable metal wood golf club head with moveable weight structure
MIZUNO KK13 citations83
US10245488B1Apr 2, 2019
Vibration damping bat and methods of making the same
MIZUNO KK11 citations81
LLEWELLYN DAVID
6 patentsUSD669546SOct 23, 2012
Wood-type golf club
LLEWELLYN DAVID64 citations97
USD682962SMay 21, 2013
Iron-type golf club head
LLEWELLYN DAVID22 citations92
USD659780SMay 15, 2012
Iron-type golf club
LLEWELLYN DAVID28 citations92
USD660390SMay 22, 2012
Iron-type golf club
LLEWELLYN DAVID16 citations84
USD682961SMay 21, 2013
Iron-type golf club head
LLEWELLYN DAVID13 citations83
USD650876SDec 20, 2011
Hybrid-type golf club head
LLEWELLYN DAVID13 citations81
SPADAFORA WILLIAM
1 patentShowing the top 50 of 67 patents by PatentIndex Score.