Inventor

Yingwei Chen

Inventor
Ossining, NY, US

Overview

40→
Patents
2000–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 40 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary
H04NPictorial communication, e.g. television55%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations9%
C07DHeterocyclic compounds9%
H04LTransmission of digital information, e.g. telegraphic communication9%
A61KPreparations for medical, dental or toiletry purposes7%
G06FElectric digital data processing4%
H04WWireless communication networks4%
H03MCoding2%
H04MTelephonic communication2%
PatentTitleYear
10,405,237Air-time fair transmission regulation without explicit traffic specifications for wireless networks201910,246,443Cyanoquinoline derivatives20199,840,494'Quinazoline derivative'20179,676,724'Cyanoquinoline derivatives'20179,215,621'Air-time fair transmission regulation without explicit traffic specifications for wireless networks'20159,187,458'Cyanoquinoline derivatives'20158,869,254'User verification using voice based password'20148,604,065'Pyridyl cyanoguanidine derivatives'20138,320,540'Verifying user identity using a reverse caller ID process'20127,992,068'Digital television transmission with error correction'20117,450,612'Packetization of layered media bitstreams'20087,242,714'Cyclic resynchronization marker for error tolerate video coding'20077,145,948'Entropy constrained scalar quantizer for a Laplace-Markov source'20067,092,448'Method and system for estimating no-reference objective quality of video data'20067,079,692'Reduced complexity video decoding by reducing the IDCT computation in B-frames'20067,020,672'Reduced complexity IDCT decoding with graceful degradation'20067,016,414'Method and system for skipping decoding of overlaid areas of video'20067,010,037'System and method for rate-distortion optimized data partitioning for video coding using backward adaptation'20066,990,146'Method and system for detecting intra-coded pictures and for extracting intra DCT precision and macroblock-level coding parameters from uncompressed digital video'20066,985,635'System and method for providing a single-layer video encoded bitstreams suitable for reduced-complexity decoding'20066,980,599'Video decoding system and method having post-processing to reduce sharpness prediction drift'20056,925,126'Dynamic complexity prediction and regulation of MPEG2 decoding in a media processor'20056,917,713'System and method for enhancing videos from drift-free scalable bitstream'20056,909,750'Detection and proper interpolation of interlaced moving areas for MPEG decoding with embedded resizing'20056,826,232'Fine granular scalable video with embedded DCT coding of the enhancement layer'20046,810,083'Method and system for estimating objective quality of compressed video data'20046,788,740'System and method for encoding and decoding enhancement layer data using base layer quantization data'20046,661,841'Scalable video coding system'20036,639,943'Hybrid temporal-SNR fine granular scalability video coding'20036,608,867'Detection and proper scaling of interlaced moving areas in MPEG-2 compressed video'20036,532,263'Scalable video coding system'20036,501,397'Bit-plane dependent signal compression'20026,501,797'System and method for improved fine granular scalable video using base layer coding information'20026,480,547'System and method for encoding and decoding the residual signal for fine granular scalable video'20026,298,090'System for detecting redundant images in a video sequence by comparing two predetermined threshold values'20016,292,512'Scalable video coding system'20016,263,022'System and method for fine granular scalable video with selective quality enhancement'20016,101,278'System for extracting coding parameters from video data'20006,084,982'Method of chroma-keying for a digital video compression system'20006,067,118'Method of frame-by-frame calculation of quantization matrices'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2001Patents assigned to PHILIPS ELECTRONICS NA (4)· patent assignee history
2000–2006Based in Ossining, NY, US· patent location history
2002–2007Patents assigned to KONINKL PHILIPS ELECTRONICS NV (23)· patent assignee history
2003–2019Based in Briarcliff Manor, NY, US· patent location history
2012–2015Patents assigned to CHEN YINGWEI (5)· patent assignee history
2012–2014Patents assigned to ALIBABA GROUP HOLDING LTD (2)· patent assignee history
2012–2014Based in Hangzhou, CN· patent location history
2013–2019Based in Tianjin, CN· patent location history
2017–2019Patents assigned to TIANJIN HEMAY ONCOLOGY PHARMACEUTICAL CO LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONINKL PHILIPS ELECTRONICS NV232002–2007
CHEN YINGWEIself52012–2015
PHILIPS ELECTRONICS NA42000–2001
TIANJIN HEMAY ONCOLOGY PHARMACEUTICAL CO LTD32017–2019
ALIBABA GROUP HOLDING LTD22012–2014
Locations
LocationPatentsSpan
Ossining, New York, US172000–2006
Briarcliff Manor, New York, US162003–2019
Tianjin, CN52013–2019
Hangzhou, CN22012–2014