Geraldo Nojima
28Patents
8h-index
14Co-inventors
72Inventor score
Filing activity: Sep 25, 1995 → Jun 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7834579B2 | Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level AC drive inverter bridge | Electricity | 37 | Active |
| US6822866B2 | Microdrive | Electricity | 31 | Expired |
| US6327124A | Low current ground fault relay | Electricity | 29 | Expired |
| US8503180B2 | Variable frequency drive system apparatus and method for reduced ground leakage current and transistor protection | Electricity | 25 | Active |
| US7339803B2 | Inverter bridge short-circuit protection scheme | Electricity | 18 | Expired |
| US7050279B2 | Method and apparatus for high impedance grounding of medium voltage AC drives | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5812355A | Electric gun driver | Electricity | 13 | Expired |
| US7110272B2 | Inverter bridge controller implementing short-circuit protection scheme | Electricity | 11 | Expired |
| US6061225A | Method and apparatus for controlling a solenoid within an electric dispensing gun | Electricity | 6 | Expired |
| US8655553B2 | Monitoring system and method for electric vehicle and electric vehicle supply equipment | Emerging Cross-Sectional Technologies | 5 | Active |
| US5666286A | Device and method for identifying a number of inductive loads in parallel | Electricity | 3 | Expired |
| US10903778B2 | Apparatus and methods for monitoring subsea electrical systems using adaptive models | Physics | 2 | Active |
| US10410813B1 | Vacuum switching apparatus and electrical contact therefor | Electricity | 2 | Active |
| US9270119B2 | High voltage direct current transmission and distribution system | Emerging Cross-Sectional Technologies | 1 | Active |
| US11070140B2 | Low inductance bus assembly and power converter apparatus including the same | Electricity | 1 | Active |
| US10985745B1 | Drivers for power semiconductor switches using device feedback | Electricity | 1 | Active |
| US10770887B2 | Semiconductor circuit interruption devices using current filtering to improve device coordination | Electricity | 1 | Active |
| US10566964B2 | Apparatus and methods for overvoltage protection of electronic devices | Electricity | 0 | Active |
| US11726130B2 | Hybrid switch for substation and other applications and methods of operating same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11632099B2 | Driver and sensor circuitry for power semiconductor switches using optical power supplies | Electricity | 0 | Active |
| US12113464B2 | Adjustable frequency drives using normalized modulation control signals to compensate for phase imbalance and methods of operating the same | Electricity | 0 | Active |
| US11289294B2 | Rotary switch and circuit interrupter including the same | Electricity | 0 | Active |
| US12072367B2 | Hybrid switch for substation and other applications and methods of operating same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11451227B2 | Control circuitry for power semiconductor switches using control signal feedback | Electricity | 0 | Active |
| US9673629B2 | High voltage direct current transmission and distribution system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.