Inventor
KAWAMATSU HIDEAKI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMATSU HIDEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO RUBBER IND
6 patentsUS5766087AJun 16, 1998
Set of golf clubs
SUMITOMO RUBBER IND115 citations96
US7448965B2Nov 11, 2008
Golf ball and golf ball manufacturing method
SUMITOMO RUBBER IND16 citations91
US5421573AJun 6, 1995
Golf club shaft
SUMITOMO RUBBER IND25 citations91
US5413338AMay 9, 1995
Golf club shaft and its manufacturing mandrel
SUMITOMO RUBBER IND21 citations91
US6986720B2Jan 17, 2006
Golf ball
SUMITOMO RUBBER IND12 citations84
US5192073AMar 9, 1993
Golf club set
SUMITOMO RUBBER IND19 citations81