Inventor · disambiguated record
Chang-Dau Yan
Also filed as: YAN CHANG-DAU
4 granted patents·187 citations·filing 1994–1997
81Inventor score
Files withIND TECH RES INST4
Top patents by PatentIndex Score
4 records- 0191US5876296AGear shifting sprocket set for bicycle chain wheelIND TECH RES INST·Filed 1997·Granted Mar 2, 1999·103 cites·10 claims
- 0283US5921363AFree wheel rotary body structure of a bicycleIND TECH RES INST·Filed 1996·Granted Jul 13, 1999·39 cites·6 claims
- 0362US5732593ABicycle speed changing apparatusIND TECH RES INST·Filed 1996·Granted Mar 31, 1998·33 cites·21 claims
- 0445US5409422ATwo sprocket tooth trimming methods and the structure thereof for the multi-stage sprocket assembly in a bicycleIND TECH RES INST·Filed 1994·Granted Apr 25, 1995·12 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →