Inventor · disambiguated record
Richard S. Chang
Also filed as: CHANG RICHARD · CHANG RICHARD S · CHANG RICHARD SHIH-TENG
9 granted patents·212 citations·filing 1977–1994
90Inventor score
Top patents by PatentIndex Score
9 records- 0192US4162792AObstacle gameMATTEL INC·Filed 1977·Granted Jul 31, 1979·55 cites·8 claims
- 0284US4492582ATeaching and entertainment deviceMATTEL INC·Filed 1981·Granted Jan 8, 1985·49 cites·7 claims
- 0374US5052973AToy car launcher with cable driven shuttle and pulleysTONKA CORP·Filed 1990·Granted Oct 1, 1991·35 cites·17 claims
- 0471US4369971AElectronic bowling gameMATTEL INC·Filed 1981·Granted Jan 25, 1983·25 cites·7 claims
- 0556US4631041AMiniature flywheel car for side-wheelie stuntsMATTEL INC·Filed 1986·Granted Dec 23, 1986·19 cites·3 claims
- 0654US4372556AElectronic soccer gameMATTEL INC·Filed 1980·Granted Feb 8, 1983·13 cites·13 claims
- 0751US4075771AToy simulating a calculatorMATTEL INC·Filed 1977·Granted Feb 28, 1978·10 cites·20 claims
- 0831US4421313ADisplay system having multiple viewing stationsMATTEL INC·Filed 1981·Granted Dec 20, 1983·3 cites·12 claims
- 0929US5433669AToy flying deviceLEWIS GALOOB TOYS INC·Filed 1994·Granted Jul 18, 1995·3 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →