Inventor
Kar-Han Tan
Inventor
Sunnyvale, CA, US
Overview
Patents· 68 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television35%
G06TImage data processing or generation, in general17%
G06FElectric digital data processing15%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%
G09GArrangements or circuits for control of indicating devices using static means to present variable information6%
G06VImage or video recognition or understanding4%
G06KGraphical data reading4%
H05KPrinted circuits2%
G01BMeasuring length, thickness or similar linear dimensions1%
G01NInvestigating or analysing materials by determining their chemical or physical properties1%
PatentTitleYear
10,666,840Processing data representing images of objects to classify the objects202010,664,100Misalignment detection202010,649,584Process image according to mat characteristic202010,417,801Image projection201910,331,275Process image according to mat characteristic201910,324,563Identifying a target touch region of a touch-sensitive surface based on an image201910,318,067Corner generation in a projector display area201910,318,077Coherent illumination for touch point identification201910,268,318Touch sensitive mat of a system with a projector unit201910,269,136System and method for processing depth images which capture an interaction of an object relative to an interaction plane201910,217,223Image data segmentation201910,156,937Determining a segmentation boundary based on images representing an object201810,003,777Projection screen for specularly reflecting light20189,756,257'Camera included in display'20179,600,855'View projection'20179,477,348'Focus-based touch and hover detection'20169,413,982'System and method for video frame sequence control'20169,392,219'Display-camera system'20169,332,162'System and method for video frame sequence control'20169,286,717'3D modeling motion parameters'20169,219,878'Interactive window'20159,190,021'Visual feedback during remote collaboration'20159,179,078'Combining multiple video streams'20159,143,724'Telepresence portal system'20159,055,190'Arrangement of multiple audiovisual streams'20158,996,974'Enhancing video presentation systems'20158,933,982'Display-camera systems'20158,917,956'Enhancing spatial resolution of an image'20148,908,008'Methods and systems for establishing eye contact and accurate gaze in remote collaboration'20148,902,280'Communicating visual representations in virtual collaboration systems'20148,878,821'System and method for providing object location information and physical contact information'20148,866,880'Display-camera system with selective crosstalk reduction'20148,624,954'Methods and systems for sharing content via a collaboration screen'20148,625,896'Image matting'20148,619,178'Image rendition and capture'20138,570,357'Systems and methods for reducing video crosstalk'20138,570,423'Systems for performing visual collaboration between remotely situated participants'20138,558,894'Support for audience interaction in presentations'20138,542,267'Calibrating a visual-collaborative system'20138,508,615'View projection matrix based high performance low latency display pipeline'20138,488,042'Systems for capturing images through a display'20138,411,126'Methods and systems for close proximity spatial audio rendering'20138,384,760'Systems for establishing eye contact through a display'20138,355,565'Producing high quality depth maps'20138,355,038'Systems for capturing images through a display'20138,334,870'Methods for obtaining a three-band intrinsic image from a single input image'20128,310,525'One-touch projector alignment for 3D stereo display'20128,269,836'Image capture, alignment, and registration'20128,260,076'Constant time filtering'20128,248,410'Synthesizing detailed depth maps from images'20128,218,003'Optimization strategies for GPU view projection matrix implementation'20128,204,343'Fault detection of a printed dot-pattern bitmap'20128,197,070'Color-based feature identification'20128,194,097'Virtual masking using rigid parametric modeling'20128,189,957'View projection for dynamic configurations'20128,174,932'Multimodal object localization'20128,130,330'Immersive surround visual fields'20128,106,949'Small memory footprint light transport matrix capture'20128,099,442'Robust generative features'20128,090,184'Fault detection of a printed dot-pattern bitmap'20128,042,954'Mosaicing of view projections'20118,013,904'View projection matrix based high performance low latency display pipeline'20117,978,928'View projection for dynamic configurations'20117,901,094'View projection: one-touch setup of light displays on arbitrary surfaces'20117,901,093'Modeling light transport in complex display systems'20117,901,095'Resolution scalable view projection'20117,794,090'Efficient dual photography'20107,734,088'Low-bandwidth image streaming'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2013Patents assigned to SEIKO EPSON CORP (21)· patent assignee history
2010–2020Based in Palo Alto, CA, US· patent location history
2011–2020Based in Sunnyvale, CA, US· patent location history
2011–2017Based in Santa Clara, CA, US· patent location history
2012–2020Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (42)· patent assignee history
2012–2017Patents assigned to TAN KAR-HAN (38)· patent assignee history
2012Patents assigned to XIAO JING (5)· patent assignee history
2013–2015Patents assigned to ROBINSON IAN N (10)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD DEVELOPMENT CO | 42 | 2012–2020 |
| TAN KAR-HANself | 38 | 2012–2017 |
| SEIKO EPSON CORP | 21 | 2010–2013 |
| ROBINSON IAN N | 10 | 2013–2015 |
| XIAO JING | 5 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 37 | 2011–2020 |
| Santa Clara, California, US | 23 | 2011–2017 |
| Palo Alto, California, US | 8 | 2010–2020 |