Inventor
Qifan Chen
Inventor
Austin, TX, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing32%
G01SRadio direction-finding20%
H04JMultiplex communication16%
H03MCoding12%
H04WWireless communication networks8%
H04BTransmission4%
H04KSecret communication4%
H04LTransmission of digital information, e.g. telegraphic communication4%
PatentTitleYear
10,452,676Managing database with counting bloom filters201910,430,411Incrementally updating statistics20199,922,080'Query plan determination'20189,465,826'Estimating unique entry counts using a counting bloom filter'20169,429,642'Radar detection for adjacent segments in wireless communications'20169,348,869'Data skew insensitive parallel join scheme'20169,143,967'Method and apparatus for determining distance in a Wi-Fi network'20158,812,484'System and method for outer joins on a parallel database management system'20148,799,272'Data skew insensitive parallel join scheme'20148,787,191'Method and apparatus for determining distance in a Wi-Fi network'20148,565,133'Synchronization-free station locator in wireless network'20138,543,883'Decoding low-density parity check (LDPC) codewords'20138,286,048'Dynamically scaled LLR for an LDPC decoder'20128,233,457'Synchronization-free station locator in wireless network'20128,224,806'Selectivity-based optimized-query-plan caching'20128,190,962'System and method for dynamic maximal iteration'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2016Patents assigned to CHEN QIFAN (10)· patent assignee history
2012–2014Patents assigned to ZHANG NING (6)· patent assignee history
2012–2019Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (5)· patent assignee history
2012–2016Patents assigned to AL-OMARI AWNY K (4)· patent assignee history
2012–2019Based in Austin, TX, US· patent location history
2012–2014Based in Shanghai, CN· patent location history
2013–2016Patents assigned to QUALCOMM INC (5)· patent assignee history
2014Based in Round Rock, TX, US· patent location history
2015–2016Based in San Jose, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEN QIFANself | 10 | 2012–2016 |
| ZHANG NING | 6 | 2012–2014 |
| HEWLETT PACKARD DEVELOPMENT CO | 5 | 2012–2019 |
| QUALCOMM INC | 5 | 2013–2016 |
| AL-OMARI AWNY K | 4 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Austin, Texas, US | 7 | 2012–2019 |
| Shanghai, CN | 6 | 2012–2014 |
| San Jose, California, US | 2 | 2015–2016 |
| Round Rock, Texas, US | 1 | 2014 |