Inventor
Yogesh Kumar Ramadass
Inventor
San Jose, CA, US
Overview
Patents· 27 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 systems45%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%
H03KPulse technique8%
G05FSystems for regulating electric or magnetic variables6%
H01LSemiconductor devices4%
H02JElectric power networks4%
H02NElectric machines not otherwise provided for4%
H03FAmplifiers4%
Y10TTechnical subjects covered by former us classification4%
H03CModulation2%
PatentTitleYear
11,081,955Unidirectional ring mitigation in a voltage converter202110,965,279Ramp generator for multilevel class-D amplifiers202110,886,881Multilevel class-D power stage including a capacitive charge pump202110,826,403Active Y-rated capacitor control options for common-mode electromagnetic interference (EMI) reduction202010,784,777Output current boosting of capacitor-drop power supplies202010,778,089Cascaded active electro-magnetic interference filter202010,734,313Integration of a passive component in an integrated circuit package202010,727,758Active clamping and scalable reference control for capacitor-drop power supplies202010,587,206Clamp control based on a converter output supply voltage mode and a converter input supply voltage mode202010,581,312Multilevel converter using node voltage track and control202010,536,072Voltage conversion and charging from low bipolar input voltage202010,523,114Decoupling circuits for converters201910,447,158Reducing voltage rating of devices in a multilevel converter201910,439,482Adaptive drive strength switching converter201910,404,175Converter topology with adaptive power path architecture201910,374,510Compensated active electro-magnetic interference filters201910,148,312Circuit and method to reduce fundamental and modulation spurs with spread spectrum201810,009,022Gate energy recovery20189,966,838Voltage conversion and charging from low bipolar input voltage20189,780,661'High efficiency DC-DC converter with active shunt to accommodate high input voltage transients'20179,746,868'Single inductor multiple output discontinuous mode DC-DC converter and process'20179,748,950'Gate energy recovery'20179,344,014'Piezoelectric device'20169,164,528'Apparatus and method for controlling inductor current in a switch mode power supply'20158,305,050'Circuit and method to startup from very low voltages and improve energy harvesting efficiency in thermoelectric harvesters'20128,026,650'Circuit and method to improve energy harvesting efficiency in piezoelectric harvesters'20117,907,429'Circuit and method for a fully integrated switched-capacitor step-down power converter'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2021Patents assigned to TEXAS INSTRUMENTS INC (25)· patent assignee history
2011–2012Patents assigned to MASSACHUSETTS INST TECHNOLOGY (2)· patent assignee history
2011–2012Based in Cambridge, MA, US· patent location history
2012Patents assigned to CHANDRAKASAN ANANTHA (1)· patent assignee history
2012Patents assigned to RAMADASS YOGESH (1)· patent assignee history
2015–2018Based in Dallas, TX, US· patent location history
2017–2021Based in San Jose, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXAS INSTRUMENTS INC | 25 | 2011–2021 |
| MASSACHUSETTS INST TECHNOLOGY | 2 | 2011–2012 |
| CHANDRAKASAN ANANTHA | 1 | 2012 |
| RAMADASS YOGESHself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 20 | 2017–2021 |
| Dallas, Texas, US | 4 | 2015–2018 |
| Cambridge, Massachusetts, US | 3 | 2011–2012 |