Inventor
Oscar Chi Lim Au
Inventor
Hong Kong, CN
Overview
Patents· 61 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television36%
G06TImage data processing or generation, in general12%
H04LTransmission of digital information, e.g. telegraphic communication12%
H04WWireless communication networks11%
H04BTransmission9%
G01SRadio direction-finding7%
H03MCoding4%
A61BDiagnosis3%
G08BSignalling systems, e.g. personal calling systems2%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data2%
PatentTitleYear
11,035,940Method, apparatus, and system for wireless proximity and presence monitoring202111,025,475Method, apparatus, server, and systems of time-reversal technology202111,012,285Methods, apparatus, servers, and systems for vital signs detection and monitoring202110,866,302Method, apparatus, and system for wireless inertial measurement202010,855,993Intra-frame prediction and decoding methods and apparatuses for image signal202010,845,463Method, apparatus, and system for wireless object scanning202010,833,912Methods, devices, servers, apparatus, and systems for wireless internet of things applications202010,742,475Method, apparatus, and system for object tracking sensing using broadcasting202010,735,298Method, apparatus, server and system for vital sign detection and monitoring202010,495,725Method, apparatus, server and system for real-time vital sign detection and monitoring201910,455,236Intra-frame prediction and decoding methods and apparatuses for image signal201910,440,705Method, apparatus, server, and systems of time-reversal technology201910,397,039Apparatus, systems and methods for fall-down detection based on a wireless signal201910,374,863Apparatus, systems and methods for event recognition based on a wireless signal201910,313,677Intra-frame prediction and decoding methods and apparatuses for image signal201910,291,460Method, apparatus, and system for wireless motion monitoring201910,270,642Method, apparatus, and system for object tracking and navigation20199,900,601'Intra-frame prediction and decoding methods and apparatuses for image signal'20189,674,529'Intra-frame decoding method and apparatus for signal component sampling point of image block'20179,602,816'Video image coding and decoding method and apparatus'20179,462,273'Intra-frame prediction and decoding methods and apparatuses for image signal'20169,462,306'Stream-switching in a content distribution system'20169,357,228'Motion estimation of images'20169,235,879'Apparatus, system, and method for temporal domain hole filling based on background modeling for view synthesis'20168,982,947'Rate control and video denoising for noisy video data'20158,923,390'Scalar quantization using bit-stealing for video processing'20148,831,111'Decoding with embedded denoising'20148,804,835'Fast motion estimation in scalable video coding'20148,761,258'Enhanced block-based motion estimation algorithms for video compression'20148,731,048'Efficient temporal search range control for video encoding processes'20148,718,135'Method and system for transcoding based robust streaming of compressed video'20148,712,153'Subpixel-based image down-sampling'20148,682,094'Adaptive subpixel-based downsampling and filtering using edge detection'20148,650,402'General data hiding framework using parity for minimal switching'20148,649,595'Subpixel-based image down-sampling'20148,634,467'Flexible Wyner-Ziv video frame coding'20148,625,676'Video bitstream decoding using least square estimates'20148,565,557'Free view generation in ray-space'20138,457,304'Efficient encoding processes and apparatus'20138,442,113'Effective rate control for video encoding and transcoding'20138,369,417'Optimal denoising for video coding'20138,326,050'Method and apparatus for subpixel-based down-sampling'20128,254,469'Error concealment for frame loss in multiple description coding'20128,218,633'Bidirectionally decodable Wyner-Ziv video coding'20128,204,125'Fast motion estimation in scalable video coding'20128,189,676'Advance macro-block entropy coding for advanced video standards'20128,189,776'Method and system for encoding multimedia content based on secure coding schemes using stream cipher'20128,170,274'Method and apparatus for hiding data for halftone images'20128,135,238'Free view generation in ray-space'20127,986,441'Embedding watermark into halftone image with low distortion using parity values for overlapping groups of candidate sites'20117,970,224'Efficient rate allocation for multi-resolution coding of data'20117,961,694'Peer-to-peer collaborative streaming among mobile terminals'20117,868,788'System and method for encoding data based on a compression technique with security features'20117,804,977'Methods and apparatus for hiding data in halftone images'20107,720,148'Efficient multi-frame motion estimation for video compression'20107,706,440'Method for reducing bit rate requirements for encoding multimedia data'20107,697,715'Methods and apparatus for hiding data in halftone images'20107,495,805'Enhancing an image, such as an image having bi-valued pixel values'20097,058,199'Methods and apparatus for hiding data in halftone images'20066,842,483'Device, method and digital video encoder for block-matching motion estimation'20056,690,811'Methods and apparatus for hiding data in halftone images'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2016Patents assigned to UNIV HONG KONG SCIENCE & TECHN (21)· patent assignee history
2004–2015Based in Kowloon, HK· patent location history
2011–2020Based in Hong Kong, CN· patent location history
2012–2021Patents assigned to AU OSCAR CHI LIM (26)· patent assignee history
2012–2014Patents assigned to FANG LU (4)· patent assignee history
2016–2020Patents assigned to HUAWEI TECH CO LTD (7)· patent assignee history
2016Based in Clear Water Bay, HK· patent location history
2019–2021Patents assigned to ORIGIN WIRELESS INC (14)· patent assignee history
2019–2021Based in San Jose, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AU OSCAR CHI LIMself | 26 | 2012–2021 |
| UNIV HONG KONG SCIENCE & TECHN | 21 | 2004–2016 |
| ORIGIN WIRELESS INC | 14 | 2019–2021 |
| HUAWEI TECH CO LTD | 7 | 2016–2020 |
| FANG LU | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hong Kong, CN | 32 | 2011–2020 |
| San Jose, California, US | 14 | 2019–2021 |
| Kowloon, HK | 12 | 2004–2015 |
| Clear Water Bay, HK | 2 | 2016 |