Inventor · disambiguated record
Thomas T. Ma
Also filed as: MA THOMAS · MA THOMAS T · MA THOMAS T H · MA THOMAS TAT CHEONG
27 granted patents·4 pending applications·530 citations·filing 1983–2005
97Inventor score
Top patents by PatentIndex Score
31 records- 0191US5101776AEngine with variable compression ratioFORD MOTOR CO·Filed 1989·Granted Apr 7, 1992·39 cites·7 claims
- 0289US5609021AOperation of an internal combustion engineFORD MOTOR CO·Filed 1992·Granted Mar 11, 1997·52 cites·13 claims
- 0389US4543918AIntake manifold for an internal combustion engineFORD MOTOR CO·Filed 1983·Granted Oct 1, 1985·31 cites·2 claims
- 0489US4535740AEngine control systemFORD MOTOR CO·Filed 1984·Granted Aug 20, 1985·28 cites·3 claims
- 0584US5357919AHydrocarbon emission controlFORD MOTOR CO·Filed 1992·Granted Oct 25, 1994·33 cites·3 claims
- 0683US5653202AIntake manifold systemFORD MOTOR CO·Filed 1995·Granted Aug 5, 1997·43 cites·20 claims
- 0783US5180559AEmission controlFORD MOTOR CO·Filed 1990·Granted Jan 19, 1993·56 cites·5 claims
- 0882US5161493APhase change mechanismFORD MOTOR CO·Filed 1990·Granted Nov 10, 1992·33 cites·10 claims
- 0977US5056478AVariable camshaft phasing mechanismFORD MOTOR CO·Filed 1989·Granted Oct 15, 1991·28 cites·7 claims
- 1061US5425233AOperation of an internal combustion engineFORD MOTOR CO·Filed 1991·Granted Jun 20, 1995·31 cites·15 claims
- 1161US4535738AEngine control systemsFORD MOTOR CO·Filed 1984·Granted Aug 20, 1985·10 cites·3 claims
- 1257US5128583ASpark plug insulator structureFORD MOTOR CO·Filed 1989·Granted Jul 7, 1992·15 cites·1 claims
- 1353US5066023AIonization sensorFORD MOTOR CO·Filed 1988·Granted Nov 19, 1991·14 cites·3 claims
- 1451US4577598AInternal combustion engine and cam drive mechanism thereforFORD MOTOR CO·Filed 1985·Granted Mar 25, 1986·13 cites·4 claims
- 1550USD451355SPair of training scissorsAMERICAN FALCON CORP·Filed 2001·Granted Dec 4, 2001·8 cites·1 claims
- 1650US4494508AIgnition systemFORD MOTOR CO·Filed 1983·Granted Jan 22, 1985·6 cites·14 claims
- 1749US5524434AInternal combustion engineFORD MOTOR CO·Filed 1992·Granted Jun 11, 1996·14 cites·6 claims
- 1848US5067459AFuel timing controlFORD MOTOR CO·Filed 1989·Granted Nov 26, 1991·8 cites·2 claims
- 1943US5465574ACatalytic converterFORD MOTOR CO·Filed 1992·Granted Nov 14, 1995·16 cites·6 claims
- 2043US5085177AManifold tuningFORD MOTOR CO·Filed 1989·Granted Feb 4, 1992·8 cites·6 claims
- 2142US5518092APhase change mechanismFORD MOTOR CO·Filed 1993·Granted May 21, 1996·9 cites·3 claims
- 2242US2006248886A1Isothermal reciprocating machinesMA THOMAS T H·Filed 2003·Application pending·0 cites
- 2340US5379735ATuned intake systemFORD MOTOR CO·Filed 1992·Granted Jan 10, 1995·8 cites·3 claims
- 2440US4616606AInternal combustion engine and cam drive mechanism thereforFORD MOTOR CO·Filed 1986·Granted Oct 14, 1986·7 cites·2 claims
- 2539US4934211ACrank mechanismFORD MOTOR CO·Filed 1988·Granted Jun 19, 1990·6 cites·7 claims
- 2638US5297507AInternal combustion engine having variable event timingFORD MOTOR CO·Filed 1993·Granted Mar 29, 1994·7 cites·14 claims
- 2736US4594972AValve mechanismFORD MOTOR CO·Filed 1984·Granted Jun 17, 1986·5 cites·4 claims
- 2836US4567871AFuel distribution and meteringFORD MOTOR CO·Filed 1984·Granted Feb 4, 1986·2 cites·7 claims
- 2936US2007022221A1Programmable control deviceSUNPLUS TECHNOLOGY CO LTD·Filed 2005·Application pending·0 cites
- 3035US2004210115A1Disposable plastic laryngoscope with built in refractroy light source for the examination of the larynxFiled 2003·Application pending·0 cites
- 3132US2002139358A1Fuel metering method for an engine operating with controlled auto-ignition.Filed 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Thomas T. Ma files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →