Inventor · disambiguated record
Stephen Chih-Hung Ma
Also filed as: MA STEPHEN CHIH-HUNG
12 granted patents·881 citations·filing 1996–1999
94Inventor score
Files withMOTOROLA INC12
Top patents by PatentIndex Score
12 records- 0195US5856804AMethod and intelligent digital beam forming system with improved signal quality communicationsMOTOROLA INC·Filed 1996·Granted Jan 5, 1999·201 cites·20 claims
- 0292US5754139AMethod and intelligent digital beam forming system responsive to traffic demandMOTOROLA INC·Filed 1996·Granted May 19, 1998·140 cites·15 claims
- 0389US6061023AMethod and apparatus for producing wide null antenna patternsMOTOROLA INC·Filed 1997·Granted May 9, 2000·162 cites·9 claims
- 0488US6038265AApparatus for amplifying a signal using digital pulse width modulatorsMOTOROLA INC·Filed 1997·Granted Mar 14, 2000·109 cites·19 claims
- 0582US6002375AMulti-substrate radio-frequency circuitMOTOROLA INC·Filed 1997·Granted Dec 14, 1999·71 cites·20 claims
- 0682US5754138AMethod and intelligent digital beam forming system for interference mitigationMOTOROLA INC·Filed 1996·Granted May 19, 1998·70 cites·21 claims
- 0775US5917447AMethod and system for digital beam formingMOTOROLA INC·Filed 1996·Granted Jun 29, 1999·52 cites·9 claims
- 0867US5920596AApparatus for amplifying a signal using a digital processorMOTOROLA INC·Filed 1997·Granted Jul 6, 1999·33 cites·18 claims
- 0957US6184827B1Low cost beam steering planar array antennaMOTOROLA INC·Filed 1999·Granted Feb 6, 2001·24 cites·10 claims
- 1042US6100756AMethod and apparatus for high efficiency power amplificationMOTOROLA INC·Filed 1998·Granted Aug 8, 2000·8 cites·13 claims
- 1135US5961579AApparatus using a logarithm based processorMOTOROLA INC·Filed 1997·Granted Oct 5, 1999·8 cites·21 claims
- 1232US6032168AComputer system to perform a filter operation using a logarithm and inverse-logarithm converter and methods thereofMOTOROLA INC·Filed 1997·Granted Feb 29, 2000·3 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Stephen Chih-Hung 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 →