Inventor
Ramanujam Ramabhadran
Inventor
Niskayuna, NY, US
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems23%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
H05BElectric heating11%
H01LSemiconductor devices5%
H10NElectric solid-state devices not otherwise provided for5%
Y10TTechnical subjects covered by former us classification5%
H03KPulse technique4%
H01FMagnets3%
H02NElectric machines not otherwise provided for3%
H10DInorganic electric semiconductor devices3%
PatentTitleYear
10,995,672Electrical waveform for gas turbine igniter202110,924,106Miller transition control gate drive circuit202110,770,382Low inductance stackable solid-state switching module and method of manufacturing thereof202010,574,144System and method for a magnetically coupled inductor boost and multiphase buck converter with split duty cycle202010,525,690Additive manufacturing-based low-profile inductor202010,491,096System and method for rapid current sensing and transistor timing control201910,374,591Systems and methods for a gate drive circuit201910,033,298Automatic short circuit protection switching device systems and methods20189,887,634'Circuits and methods for synchronous rectification in resonant converters'20189,853,555Universal power adapter and an associated method thereof20179,787,303'Driver circuit and switch driving method'20179,748,844'Systems and methods for controlling and improving power converters'20179,641,063'System and method of compensating power factor for electrical loads'20179,585,207'System and method for achieving precise regulation of multiple outputs in a multi-resonant LED driver stage'20179,537,080'System for driving a piezoelectric load and method of making same'20179,537,413'System for driving a piezoelectric load and method of making same'20179,526,136'Electronic driver for an illumination device and method of operating thereof'20169,426,854'Electronic driver for controlling an illumination device'20169,331,477'Power circuitry for a synthetic jet of a cooling system'20169,147,240'Method and system for controlling color characteristics of one or more illumination devices'20158,958,217'System for driving a piezoelectric load and method of making same'20158,896,182'System for driving a piezoelectric load and method of making same'20147,274,575'AC coupled bias circuit for power converters'20077,009,849'Buck converter with multiple outputs and method of operation thereof'20066,646,895'Bias supply circuit and a switching power supply employing the same'20036,385,500'Hybrid servomechanism for micro-electrical discharge machining'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002Patents assigned to CUMMINS ENGINE CO INC (1)· patent assignee history
2003–2006Patents assigned to TYCO ELECTRONICS POWER SYSTEMS (2)· patent assignee history
2003Based in Rowlett, TX, US· patent location history
2006–2007Based in Waltham, MA, US· patent location history
2014–2021Patents assigned to GEN ELECTRIC (22)· patent assignee history
2014–2015Patents assigned to GLASER JOHN STANLEY (2)· patent assignee history
2014–2015Patents assigned to RAMABHADRAN RAMANUJAM (2)· patent assignee history
2014–2020Based in Niskayuna, NY, US· patent location history
2016Based in Nishayuna, NY, US· patent location history
2018–2021Based in Schenectady, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 22 | 2014–2021 |
| GLASER JOHN STANLEY | 2 | 2014–2015 |
| RAMABHADRAN RAMANUJAMself | 2 | 2014–2015 |
| TYCO ELECTRONICS POWER SYSTEMS | 2 | 2003–2006 |
| CUMMINS ENGINE CO INC | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Niskayuna, New York, US | 18 | 2014–2020 |
| Schenectady, New York, US | 3 | 2018–2021 |
| Waltham, Massachusetts, US | 2 | 2006–2007 |
| Nishayuna, New York, US | 1 | 2016 |
| Rowlett, Texas, US | 1 | 2003 |