Inventor
KOIZUMI YOSHIMASA
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KOIZUMI YOSHIMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO RUBBER IND
10 patentsUS5490674AFeb 13, 1996
Three-piece solid golf ball
SUMITOMO RUBBER IND260 citations99
US5482285AJan 9, 1996
Three-piece solid golf ball
SUMITOMO RUBBER IND476 citations99
US5711723AJan 27, 1998
Three-piece solid golf ball
SUMITOMO RUBBER IND120 citations98
US5935022AAug 10, 1999
Three-piece solid golf ball
SUMITOMO RUBBER IND78 citations96
US5601502AFeb 11, 1997
Three-piece solid golf ball
SUMITOMO RUBBER IND69 citations96
US5589546ADec 31, 1996
Solid golf ball
SUMITOMO RUBBER IND52 citations96
US5574107ANov 12, 1996
Solid golf ball
SUMITOMO RUBBER IND65 citations96
US5780169AJul 14, 1998
Golf ball
SUMITOMO RUBBER IND31 citations92
USRE38589ESep 14, 2004
Three-piece solid golf ball
SUMITOMO RUBBER IND1 citations52
US5518815AMay 21, 1996
Thread rubber for thread wound golf ball
SUMITOMO RUBBER IND1 citations51