Inventor
HARADA MUTSUMI
JP5 patents
Patents
5 patentsUS5228615AJul 20, 1993
Method of manufacturing golf head
YAMAHA CORP34 citations92
US5322206AJun 21, 1994
Golf club head and a process for producing the same
YAMAHA CORP51 citations91
US5131986AJul 21, 1992
Golf club head and its manufacturing
YAMAHA CORP37 citations88
US6752727B2Jun 22, 2004
Golf club head and method of manufacturing the same
YAMAHA CORP2 citations61
US5187022AFeb 16, 1993
Magnetic recording medium for encoders
YAMAHA CORP1 citations51