Ki-Bui Ma
8Patents
5h-index
16Co-inventors
56Inventor score
Filing activity: Jun 25, 1980 → Nov 2, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5159219A | Opposed-magnet bearing with interposed superconductor | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5831362A | Magnet-superconductor flywheel and levitation systems | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6231011A | Satellite angular momentum control system using magnet-superconductor flywheels | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US5542506A | Magnet-superconductor systems for controlling and influencing relative motion | Electricity | 13 | Expired |
| US5726512A | Vibration-free levitated platform | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5947237A | Magnet-superconductor systems for controlling and influencing relative motion | Electricity | 5 | Expired |
| US5039951A | Josephson junction FSK demodulator | Electricity | 4 | Expired |
| US4359367A | Silicon-based semiconductor devices | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.