Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
QM

Qi Ma — 33 Patents

General Motors: 27 patents #429 of 18,328Top 3%
EIEdan Instruments: 2 patents #18 of 67Top 30%
UCUniversity Of British Columbia: 2 patents #298 of 1,308Top 25%
OUOhio State University: 1 patents #193 of 531Top 40%
Huawei: 1 patents #8,318 of 15,535Top 55%
Overall (All Time): #105,480 of 4,157,543Top 3%
33 Patents All Time
Qi Ma has been granted 33 US patents while listed as an inventor at General Motors. The first was granted in 1996 and the most recent in August 2025. Qi Ma ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Qi Ma in Lo Wu, BC, CN.

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12390192 Detection probe, transmission apparatus, and detection device Hua Luo, Dan Zhou, Bo Ouyang, Jianhua Mo 2025-08-19
12390193 Detection probe, transmission device, and detection instrument Hua Luo, Dan Zhou, Bo Ouyang, Jianhua Mo 2025-08-19
10826282 Copper bar component for switching input/output mode of uninterruptible power supply, and power system Weijie Cao, Lijun Zhao 2020-11-03
8972150 Selective cylinder disablement control systems and methods Robert Douglas Shafto 2015-03-03 $6,530,000
8892339 Transmission load predicting system for a stop-start system and a hybrid electric vehicle Robert Douglas Shafto, Ronald F. Lochocki, Jr. 2014-11-18 $6,540,000
8855896 Intake manifold refill and holding control systems and methods Robert Douglas Shafto 2014-10-07 $6,567,000
8694231 Vehicle rollback control systems and methods Robert Douglas Shafto 2014-04-08 $13,431,000
8635987 Engine speed control systems and methods Robert Douglas Shafto, Ronald F. Lochocki, Jr. 2014-01-28 $11,265,000
8543318 Controlled engine shutdown system for a stop-start system and a hybrid electric vehicle Robert Douglas Shafto 2013-09-24 $9,757,000
8453620 Systems and methods for improved engine start-stop response Amin Abboud, Norman Schoenek, Gary E. McGee, Joseph R. Dulzo 2013-06-04 $10,352,000
8442747 Cylinder air mass prediction systems for stop-start and hybrid electric vehicles Robert Douglas Shafto 2013-05-14 $10,197,000
8392097 Method for starting an internal combustion engine within a hybrid powertrain Robert Douglas Shafto, Michael Simon, Julian R. Verdejo 2013-03-05 $5,558,000
8334687 Systems and methods for measuring rotational speed and position of a rotating device Brian M. Tulkki 2012-12-18 $13,865,000
8296038 Method and system for determining engine brake torque in real time Julian R. Verdejo, Paul A. Piorkowski 2012-10-23 $8,527,000
8152369 Method and apparatus for determining temperature in a gas feedstream Julian R. Verdejo, Nicholas John Kalweit 2012-04-10 $9,673,000
8150604 Method and apparatus for reducing spark plug fouling Dean R. Kwapis, Joseph Duarte 2012-04-03 $9,602,000
8001942 High pressure piston pump actuating system using automotive starter system Hsu-Chiang Miao 2011-08-23 $6,952,000
7848872 Method and apparatus for monitoring recirculated exhaust gas in an internal combustion engine Man-Feng Chang 2010-12-07
7841769 Method and apparatus for determining temperature in a gas feedstream Julian R. Verdejo, Nicholas John Kalweit 2010-11-30
7793641 Model-based fuel control for engine start and crank-to-run transition Stephen Yurkovich, Kenneth P. Dudek, Stephen Fulcher, Robert X. Monchamp, Jon C. Miller 2010-09-14
7784441 Method and apparatus for supporting stop-and-go engine functionality Hsu-Chiang Miao, Kenneth J. Shoemaker, Thomas R. Brown 2010-08-31
7775091 Method and apparatus for determining intake air mass 2010-08-17
7769524 Control system for determining mass air flow Nicholas John Kalweit, Layne K. Wiggins 2010-08-03
7712445 Fuel pressure boost method and apparatus William C. Albertson, Frederick J. Rozario 2010-05-11
7690344 Method and apparatus for supporting stop-and-go engine functionality Hsu-Chiang Miao, Kenneth J. Shoemaker, Thomas R. Brown 2010-04-06