Inventor · disambiguated record

Pyong I. Cha

Also filed as: CHA PYONG I

2 granted patents·39 citations·filing 1990–1990

62Inventor score

Technology areasB62M

Files withCHA PYONG I1 CYS X CORP1

Top patents by PatentIndex Score

2 records

0161US5125489AHigh-torque dual-purpose hub assembly for the rear wheel of a multispeed bicycleCHA PYONG I·Filed 1990·Granted Jun 30, 1992·32 cites·5 claims
0240USD325368SHub unit for the rear wheel of a geared bicycleCYS X CORP·Filed 1990·Granted Apr 14, 1992·7 cites·1 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →