Inventor · disambiguated record
Richard M. H. Cheng
Also filed as: CHENG RICHARD M H
3 granted patents·75 citations·filing 1976–1984
70Inventor score
Top patents by PatentIndex Score
3 records- 0186US4489792AHammer drill adapterFAHIM ATEF E F·Filed 1981·Granted Dec 25, 1984·66 cites·16 claims
- 0231US4540289AAutomatic stirring system for film developingCANADIAN PATENTS DEV·Filed 1984·Granted Sep 10, 1985·4 cites·3 claims
- 0330US4129064AFluid operated stepping motorFAHIM ATEF E F·Filed 1976·Granted Dec 12, 1978·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →