Inventor
SHIGETOH HIDETOSHI
JP4 patents
Patents
4 patentsUS5088735AFeb 18, 1992
Shaft structure of golf club and production method of the shaft
RYOBI LTD59 citations93
US5028464AJul 2, 1991
Structure of golf club shaft and method of producing the shaft
RYOBI LTD63 citations93
USD327309SJun 23, 1992
Golf club shaft
RYOBI LTD22 citations89
US5071687ADec 10, 1991
Laminated tubes and method of manufacturing the same
RYOBI LTD31 citations89