OC

Ong San Cheng

Shimano: 2 patents #376 of 759Top 50%
📍 Singapore, SG: #4,165 of 13,971 inventorsTop 30%
Overall (All Time): #2,204,776 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6598817 Dual-bearing reel Keigo Kitajima 2003-07-29
6328240 CAM adjuster mechanism for brake mechanism in fishing reel Noboru Sakaguchi 2001-12-11