Inventor
Liusheng Liu
Inventor
San Jose, CA, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks31%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
H03MCoding10%
G01RMeasuring electric variables5%
G08BSignalling systems, e.g. personal calling systems5%
H03KPulse technique5%
G06GAnalogue computers2%
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 systems2%
H03HImpedance networks, e.g. resonant circuits2%
PatentTitleYear
10,757,774Current adjustment circuit20208,836,290'Battery cell monitoring and balancing circuit'20148,330,608'Systems and methods for battery status indication'20128,237,411'Battery cell monitoring and balancing circuit'20128,232,773'Over voltage transient controller'20128,227,944'Vertical bus circuits'20128,044,815'Systems and methods for battery status indication'20118,004,246'Battery cell monitoring and balancing circuit'20117,973,515'Power management systems with controllable adapter output'20117,808,548'Power management for digital devices'20107,701,177'Battery pre-charging circuit comprising normal voltage and low voltage pre-charging circuits'20107,696,725'Battery cell monitoring and balancing circuit'20107,646,169'Trickle discharge for battery pack protection'20107,642,750'Battery charge/discharge control circuit'20107,589,499'Over voltage transient controller'20097,557,540'Capacity measurement system for a battery with open circuit voltage detection'20097,196,652'High precision analog to digital converter'20077,180,268'Circuits capable of trickle precharge and/or trickle discharge'20077,161,520'High precision analog to digital converter'20077,081,737'Battery cell monitoring and balancing circuit'20066,930,515'Level shifting and level shifting amplifier circuits'20056,924,667'Level shifting and level-shifting amplifier circuits'20056,744,394'High precision analog to digital converter'20046,166,581'Differential integrator having offset and gain compensation, not requiring balanced inputs'20006,157,331'Sigma delta modulator with automatic saturation detection and recovery'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Based in Singapore, SG· patent location history
2004–2007Patents assigned to 02MICRO INTERNAT LTD (2)· patent assignee history
2004–2014Based in San Jose, CA, US· patent location history
2005–2014Patents assigned to O2MICRO INT LTD (15)· patent assignee history
2011–2012Patents assigned to O2MICRO INC (5)· patent assignee history
2012–2014Patents assigned to LIU LIUSHENG (5)· patent assignee history
2012–2014Patents assigned to LI GUOXING (4)· patent assignee history
2020Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| O2MICRO INT LTD | 15 | 2005–2014 |
| LIU LIUSHENGself | 5 | 2012–2014 |
| O2MICRO INC | 5 | 2011–2012 |
| LI GUOXING | 4 | 2012–2014 |
| 02MICRO INTERNAT LTD | 2 | 2004–2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 22 | 2004–2014 |
| Singapore, SG | 2 | 2000 |
| Beijing, CN | 1 | 2020 |