YW

Yasuhiro Watabe

SI Sumitomo Rubber Industries: 2 patents #809 of 1,637Top 50%
SL Sri Sports Limited: 1 patents #123 of 176Top 70%
Overall (All Time): #1,586,891 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7273574 Golf ball manufacturing method Jun Yamakawa 2007-09-25
7204290 Apparatus for removing cover of golf ball from core Jun Yamakawa, Osamu Nishikawa, Masao Takami 2007-04-17
6833098 Method of removing cover of golf ball from core Jun Yamakawa, Osamu Nishikawa, Masao Takami 2004-12-21