Inventor
SUNG CHENG-KUO
TW9 patents
⚠️ This page may combine multiple inventors who share the name “SUNG CHENG-KUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT SCIENCE COUNCIL
3 patentsUS6045472AApr 4, 2000
Integrated up-and downshifting configuration of a multistage sprocket assembly for a bicycle
NAT SCIENCE COUNCIL87 citations92
US5759124AJun 2, 1998
Multistage sprocket used in a bicycle rear derailleur system
NAT SCIENCE COUNCIL36 citations90
US5678835AOct 21, 1997
Three-wheeled vehicle having an auxiliary steering system
NAT SCIENCE COUNCIL9 citations65