Jun Ma
224Patents
12h-index
247Co-inventors
89Inventor score
Filing activity: Jul 27, 1995 → Nov 30, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5939753A | Monolithic RF mixed signal IC with power amplification | Electricity | 53 | Expired |
| US5656844A | Semiconductor-on-insulator transistor having a doping profile for fully-depleted operation | Electricity | 24 | Expired |
| US7349236B2 | Electromechanical memory cell with torsional movement | Physics | 22 | Expired |
| USD852431S1 | Automatic pet feeder | General | 21 | Active |
| US6980727B1 | Methodology for a MEMS variable optical attenuator | Physics | 18 | Expired |
| USD627645S1 | Packing container | General | 17 | Expired |
| USD628070S1 | Packing container | General | 16 | Expired |
| US7234442B2 | Controlled starting and braking of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Active |
| US6828887B2 | Bistable microelectromechanical system based structures, systems and methods | Electricity | 14 | Expired |
| US7599441B2 | Low complexity soft-input Viterbi decoding for digital communication systems | Electricity | 13 | Active |
| USD628071S1 | Packing container | General | 13 | Expired |
| US7242825B2 | Cantilever beam MEMS variable optical attenuator | Physics | 12 | Expired |
| USD627648S1 | Packing container | General | 11 | Expired |
| US7252053B2 | Electromagnetic actuator and control | Electricity | 11 | Expired |
| US7082899B2 | Controlled starting and braking of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| USD627646S1 | Packing container | General | 11 | Expired |
| US7193864B2 | Power supply system and apparatus | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7944983B2 | Coarse carrier frequency offset estimation for CMMB mobile TV receiver | Electricity | 10 | Active |
| US7980671B2 | Electrostatic actuator and method of making the electrostatic actuator | Performing Operations; Transporting | 10 | Active |
| US6947624B2 | MEMS optical latching switch | Physics | 9 | Expired |
| USD627647S1 | Packing container | General | 9 | Expired |
| US8714722B2 | Multiple layer filter | Emerging Cross-Sectional Technologies | 9 | Active |
| US7128032B2 | Electromagnetic actuator and control | Electricity | 8 | Expired |
| USD627649S1 | Packing container | General | 8 | Expired |
| US8292271B2 | Aeration unit, aeration apparatus equipped therewith and method of aeration | Emerging Cross-Sectional Technologies | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.