Inventor

NOJIMA GERALDO

US29 patents

⚠️ This page may combine multiple inventors who share the name “NOJIMA GERALDO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NOJIMA GERALDO

EATON INTELLIGENT POWER LTD

Low inductance bus assembly and power converter apparatus including the same

Apparatus and methods for monitoring subsea electrical systems using adaptive models

Semiconductor circuit interruption devices using current filtering to improve device coordination

Drivers for power semiconductor switches using device feedback

Vacuum switching apparatus and electrical contact therefor

Low inductance bus assembly and power converter apparatus including the same

Low inductance bus assembly and power converter apparatus including the same

Drivers for paralleled semiconductor switches

Rotary switch and circuit interrupter including the same

Hybrid switch for substation and other applications and methods of operating same

Hybrid switch for substation and other applications and methods of operating same

Driver and sensor circuitry for power semiconductor switches using optical power supplies

Apparatus and methods for overvoltage protection of electronic devices

Control circuitry for power semiconductor switches using control signal feedback

Adjustable frequency drives using normalized modulation control signals to compensate for phase imbalance and methods of operating the same

EATON CORP

Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level AC drive inverter bridge

Inverter bridge short-circuit protection scheme

High voltage direct current transmission and distribution system

Partitioned motor drive apparatus for subsea applications

High voltage direct current transmission and distribution system

SMC ELECTRICAL PRODUCTS INC

Method and apparatus for high impedance grounding of medium voltage AC drives

Microdrive

Low current ground fault relay

Inverter bridge controller implementing short-circuit protection scheme

NORDSON CORP

Electric gun driver

Method and apparatus for controlling a solenoid within an electric dispensing gun

Device and method for identifying a number of inductive loads in parallel

NOJIMA GERALDO

Variable frequency drive system apparatus and method for reduced ground leakage current and transistor protection

Monitoring system and method for electric vehicle and electric vehicle supply equipment