Inventor
Pengfei Zhang
Inventor
Beijing, CN
Overview
Patents· 57 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication11%
H04WWireless communication networks9%
G06FElectric digital data processing7%
H04BTransmission5%
H03DDemodulation or transference of modulation from one carrier to another4%
G05DSystems for controlling or regulating non-electric variables3%
C07CAcyclic or carbocyclic compounds2%
G05BControl or regulating systems in general2%
H04MTelephonic communication2%
H04NPictorial communication, e.g. television2%
PatentTitleYear
10,970,346Systems and methods for paragraph-based document searching202110,822,278Barium titanate foam ceramic/thermosetting resin composites and preparation method thereof202010,811,842Distributed feedback laser based on surface grating202010,611,721Method for preparing levobunolol hydrochloride202010,604,466Method for preparing resveratrol compound202010,598,419Seawater fluidized ice manufacturing equipment and method202010,569,874Flight control method and apparatus202010,500,568Core-shell structure supported tungsten composite catalyst and preparation method and use thereof201910,425,354Resource allocation method, packet communication method, and apparatus201910,397,177Matter message notification method, apparatus, and device201910,356,160Methods and devices for acquiring user information201910,320,719Message withdrawal method, apparatus and storage medium201910,303,135Method and apparatus for controlling smart home device201910,298,446Methods, apparatuses, and system for device management201910,242,383Method and system for delivering advertisements in a store201910,237,901Method and apparatus for connecting with controlled smart device, and storage medium201910,212,025Router management method, router and mobile terminal201910,182,133Method and device for starting application2019D0834979Gateway control unit with graphic user interface2018D0834437Gateway control unit with graphic user interface201810,125,119Series of resveratrol-derivative fluorescently labeled molecules and synthesis method thereof201810,037,742Method and apparatus for displaying health data and medium201810,033,592Method and system for monitoring network link and storage medium therefor2018D0823307Scanner201810,009,955Method and device for providing SSID in WLAN20189,962,055Mute operation method and apparatus for automatic cleaning device20189,952,571Method and terminal device for controlling smart home appliance20189,896,868'Vehicle hinge assembly and method of operating the same'20189,894,260'Method and device for controlling intelligent equipment'2018D0810170'Surveillance camera'20189,886,259'Method and terminal device for complying router management application with router firmware'20189,862,098'Methods and devices for cleaning garbage'20189,856,028'Integrated pylon structure for propulsion system'2018D0802593'Scanner'20179,794,896'Method and device for adjusting state of wireless network'20179,737,164'Temperature prompting method and device'20179,693,322'Method and device for adjusting transmission power'20179,686,139'Method and networking device for setting network connection parameters'20179,619,244'Method and system for upgrading an electronic device'20179,325,189'Battery, and method, device, and system for battery protection'20169,224,374'Methods and devices for audio processing'20159,051,254'Method of preparing 2,6,10-Trimethyl-1,1-dialkoxy-3,5,9-undecatriene used as an intermediate of lycopene'20159,029,623'Process for eliminating or reducing persistent organic pollutants contained in particles'20158,090,078'Systems and methods for half-duplex speakerphones and other two-way communication devices'20128,010,071'Integrated squelch circuit with programmable engagement threshold'20117,863,974'Selectable intermediate frequency demodulator'20117,496,340'I/Q mismatch calibration of direct conversion receivers using radio frequency noise'20097,450,919'I/Q mismatch correction using transmitter leakage and gain modulation'20087,448,003'Signal flow driven circuit analysis and partitioning technique'20086,947,720'Low noise mixer circuit with improved gain'20056,850,749'Local oscillator architecture to reduce transmitter pulling effect and minimize unwanted sideband'20056,807,406'Variable gain mixer circuit'20046,801,585'Multi-phase mixer'20046,778,022'VCO with high-Q switching capacitor bank'20046,748,204'Mixer noise reduction technique'20046,606,489'Differential to single-ended converter with large output swing'20036,509,777'Method and apparatus for reducing DC offset'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2009Patents assigned to RF MICRO DEVICES INC (9)· patent assignee history
2003–2008Based in Fremont, CA, US· patent location history
2008–2019Based in Shanghai, CN· patent location history
2011–2012Patents assigned to BEKEN CORP (3)· patent assignee history
2015–2020Patents assigned to XIAOMI INC (21)· patent assignee history
2015–2020Patents assigned to UNIV HANGZHOU NORMAL (5)· patent assignee history
2015–2020Based in Beijing, CN· patent location history
2015–2019Based in Zhejiang, CN· patent location history
2018Patents assigned to HONEYWELL INT INC (3)· patent assignee history
2018–2020Based in Hangzhou, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XIAOMI INC | 21 | 2015–2020 |
| RF MICRO DEVICES INC | 9 | 2003–2009 |
| UNIV HANGZHOU NORMAL | 5 | 2015–2020 |
| BEKEN CORP | 3 | 2011–2012 |
| HONEYWELL INT INC | 3 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 23 | 2015–2020 |
| Shanghai, CN | 13 | 2008–2019 |
| Fremont, California, US | 9 | 2003–2008 |
| Hangzhou, CN | 3 | 2018–2020 |
| Zhejiang, CN | 2 | 2015–2019 |