Inventor · disambiguated record
Hideaki Kawamatsu
Also filed as: KAWAMATSU HIDEAKI
8 granted patents·226 citations·filing 1991–2006
89Inventor score
Top patents by PatentIndex Score
8 records- 0189US5766087ASet of golf clubsSUMITOMO RUBBER IND·Filed 1997·Granted Jun 16, 1998·115 cites·6 claims
- 0280US7448965B2Golf ball and golf ball manufacturing methodSUMITOMO RUBBER IND·Filed 2006·Granted Nov 11, 2008·16 cites·14 claims
- 0365US7125347B2Golf ball and golf ball manufacturing methodSRI SPORTS LTD·Filed 2003·Granted Oct 24, 2006·12 cites·30 claims
- 0464US6986720B2Golf ballSUMITOMO RUBBER IND·Filed 2004·Granted Jan 17, 2006·12 cites·3 claims
- 0563US5421573AGolf club shaftSUMITOMO RUBBER IND·Filed 1993·Granted Jun 6, 1995·25 cites·6 claims
- 0656US7286159B2Ball motion measuring apparatusSRI SPORTS LTD·Filed 2001·Granted Oct 23, 2007·6 cites·8 claims
- 0749US5413338AGolf club shaft and its manufacturing mandrelSUMITOMO RUBBER IND·Filed 1994·Granted May 9, 1995·21 cites·7 claims
- 0847US5192073AGolf club setSUMITOMO RUBBER IND·Filed 1991·Granted Mar 9, 1993·19 cites·9 claims
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