Inventor
Lijun Zhang
Inventor
San Jose, CA, US
Overview
Patents· 46 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Qprimary
H01QAntennas, i.e. radio aerials21%
H04BTransmission9%
C10GCracking hydrocarbon oils6%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact4%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application4%
Y10TTechnical subjects covered by former us classification4%
G06FElectric digital data processing3%
H03FAmplifiers3%
H03HImpedance networks, e.g. resonant circuits3%
H04MTelephonic communication3%
PatentTitleYear
10,763,589Millimeter wave patch antennas with parasitic elements202010,756,788Relay dock and base station with position information based directional wave forming202010,745,036Bogie202010,741,933Dual-polarization phased antenna arrays202010,734,708Antennas formed from conductive display layers202010,662,005Temporary storage and separation device for wheels on track line and wheel transfer track line202010,608,321Antennas in patterned conductive layers202010,594,028Antenna arrays having multi-layer substrates202010,567,941Methods for maintaining line-of-sight communications202010,553,945Antenna arrays having surface wave interference mitigation structures202010,552,572Drainage pipe network design202010,367,252Broadband antenna201910,320,513Distributed automatic power optimization system and method201910,263,332Antenna arrays with etched substrates201910,256,872Methods for performing antenna beam scanning201910,250,289Electronic device antennas with ground isolation201910,209,011Heat transfer tube and cracking furnace using the same201910,200,105Antenna tuning components in patterned conductive layers201910,181,640Electronic device antennas201910,177,447Radio frequency transparent patterns for conductive coating201910,165,426Methods for maintaining line-of-sight communications201810,153,554Electronic device antennas with harmonic resonances201810,097,024Control system and control method for a phase shifted full bidge charger201810,008,764Tunable multiband antenna with passive and active circuitry20189,976,249Dryer or washer dryer20189,921,400'System and method for manipulating an object for imaging'20189,809,118'System and method for parallel power supply control for auxiliary converters of motor train unit in presence of interconnecting lines'20179,743,858'Magnetic resonance imaging apparatus and a method for determining trigger timing of CE-MRA scan'20179,505,677'Steam cracking processes'20169,496,608'Tunable multiband antenna with passive and active circuitry'20169,359,560'Heat transfer tube and cracking furnace using the heat transfer tube'20169,263,790'Structures for shielding and mounting components in electronic devices'20169,059,514'Structures for shielding and mounting components in electronic devices'20159,024,100'Process for producing olefins'20158,916,030'Ethylene cracking furnace'20148,797,933'Apparatuses and methods for saving power in paging operations'20148,766,858'Antennas mounted under dielectric plates'20148,585,890'Tubular cracking furnace'20138,121,570'Method and system for flexible FM tuning'20127,903,727'Channel memory length selection method and apparatus for wireless communication systems'20117,796,970'Integrated low noise amplifier'20107,729,456'Burst detection apparatus and method for radio frequency receivers'20107,515,935'Method and system for flexible FM tuning'20097,218,909'Integrated low noise amplifier'20077,039,381'On-chip differential inductor and applications thereof'20066,809,581'Integrated circuit low noise amplifier and applications thereof'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2012Patents assigned to BROADCOM CORP (6)· patent assignee history
2004–2010Based in Los Angeles, CA, US· patent location history
2009–2012Based in Irvine, CA, US· patent location history
2010–2019Based in Beijing, CN· patent location history
2012–2015Patents assigned to ZHANG LIJUN (7)· patent assignee history
2013–2016Patents assigned to BEIJING RES INST CHEM IND (4)· patent assignee history
2013–2016Patents assigned to CHINA PETROLEUM & CHEMICAL (4)· patent assignee history
2014–2020Patents assigned to APPLE INC (22)· patent assignee history
2014–2020Based in San Jose, CA, US· patent location history
2017–2018Based in Qingdao, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLE INC | 22 | 2014–2020 |
| ZHANG LIJUNself | 7 | 2012–2015 |
| BROADCOM CORP | 6 | 2004–2012 |
| BEIJING RES INST CHEM IND | 4 | 2013–2016 |
| CHINA PETROLEUM & CHEMICAL | 4 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 21 | 2014–2020 |
| Beijing, CN | 9 | 2010–2019 |
| Los Angeles, California, US | 4 | 2004–2010 |
| Qingdao, CN | 2 | 2017–2018 |
| Irvine, California, US | 2 | 2009–2012 |