Inventor
Xiao-chang Cheng
Inventor
San Jose, CA, US
Overview
Patents· 10 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 systems21%
H03FAmplifiers21%
H03KPulse technique21%
G01RMeasuring electric variables7%
G06FElectric digital data processing7%
H02HEmergency protective circuit arrangements7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
11,093,088Device for processing signals from a pressure-sensing touch panel202111,093,082Pressure sensing apparatus and method20218,022,682'Method to reduce inrush voltage and current in a switching power converter'20117,724,054'Gate driver with programmable dead-time insertion'20107,636,227'Noise immune over current protection with inherent current limiting for switching power converter'20097,548,029'Bi-directional current sensing by monitoring VS voltage in a half or full bridge circuit'20097,528,651'Noise free implementation of PWM modulator combined with gate driver stage in a single die'20097,307,462'Self-oscillating driver with soft start circuit'20077,116,136'Gate driver with level shift between static wells with no power supply'20066,998,911'Gate control circuit with soft start/stop function'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2011Patents assigned to INT RECTIFIER CORP (8)· patent assignee history
2006–2011Based in San Jose, CA, US· patent location history
2021Patents assigned to CAMBRIDGE TOUCH TECH LTD (1)· patent assignee history
2021Based in Cambridge, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INT RECTIFIER CORP | 8 | 2006–2011 |
| CAMBRIDGE TOUCH TECH LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 8 | 2006–2011 |
| Cambridge, GB | 2 | 2021 |