Inventor
TOMINAGA ICHIRO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “TOMINAGA ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO RUBBER IND
11 patentsUS4561657ADec 31, 1985
Golf ball
SUMITOMO RUBBER IND62 citations96
US4289032ASep 15, 1981
Method of discriminating kinds of golf balls
SUMITOMO RUBBER IND58 citations96
US4567219AJan 28, 1986
Composition for cover of golf balls
SUMITOMO RUBBER IND64 citations95
US6335100B1Jan 1, 2002
Structural material and process for its production
SUMITOMO RUBBER IND42 citations92
US4305851ADec 15, 1981
Process for preparing a solid golf ball
SUMITOMO RUBBER IND34 citations92
US4556220ADec 3, 1985
Solid golf balls
SUMITOMO RUBBER IND20 citations82
US4543827AOct 1, 1985
Method for measuring physical properties of material
SUMITOMO RUBBER IND22 citations82
US4185831AJan 29, 1980
Composition for the outer layer of a golf ball
SUMITOMO RUBBER IND20 citations81
US5077336ADec 31, 1991
Low-temperature insulating material
SUMITOMO RUBBER IND21 citations79
US5308060AMay 3, 1994
Tennis ball
SUMITOMO RUBBER IND11 citations74
US4289031ASep 15, 1981
Method of measuring hardness of flexible thread-wound golf balls or inner cores thereof
SUMITOMO RUBBER IND1 citations52