Inventor
MATSUSHITA HIROOMI
JP7 patents
Patents
7 patentsUS4928965AMay 29, 1990
Golf club and method of designing same
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US6335100B1Jan 1, 2002
Structural material and process for its production
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US5324117AJun 28, 1994
Laminated rubber bearing
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US5465945ANov 14, 1995
Laminated rubber support and method of designing the same
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US5102729AApr 7, 1992
Speaker diaphragm
SUMITOMO RUBBER IND16 citations73
US5082437AJan 21, 1992
Reaction injection machine utilizing a plurality of reactant liquids
SUMITOMO RUBBER IND9 citations71
US5114145AMay 19, 1992
Tennis racket frame
SUMITOMO RUBBER IND5 citations62