Inventor

OKITSU MASATOYO

JP3 patents

Patents

3 patents

US5104123AApr 14, 1992

Metal bat for use in baseball

SOMAR CORP72 citations93

US5208090AMay 4, 1993

Metal single fiber-reinforced prepreg

SOMAR CORP27 citations89

US4867091ASep 19, 1989

Surfing boom

SOMAR CORP12 citations68