Inventor
Zhenhuan Wen
Inventor
Pittsford, NY, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television64%
G06KGraphical data reading8%
G06VImage or video recognition or understanding8%
G06TImage data processing or generation, in general6%
B41JTypewriters3%
B41MPrinting, duplicating, marking, or copying processes3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
G06FElectric digital data processing3%
H04LTransmission of digital information, e.g. telegraphic communication3%
PatentTitleYear
11,080,427Method and apparatus for detecting label data leakage channel202110,715,774Color conversion for ambient-adaptive digital content20209,025,222'Scanner calibration using inverse matrix'20158,995,021'Black trapping methods, apparatus and systems for binary images'20158,896,892'System and method for color calibration of a color printing system with recording media brightness compensation'20148,842,342'Method and system for isolated hole detection and growth in a document image'20148,810,859'Dot growth system and method'20148,804,200'Method and system for isolated dot detection and growth in a document image'20148,705,140'Systems and methods for dynamic sharpness control in system using binary to continuous tone conversion'20148,670,157'Dot growth system and method'20148,665,499'Isolated hole detection and growth'20148,643,905'Isolated hole detection and growth'20148,422,078'Method of processing neutral gray color print jobs as monochrome black during billing detection and printing as a neutral gray composite black'20138,253,979'Method of processing neutral gray color print jobs as monochrome black during billing detection and printing as a neutral gray composite black'20128,194,288'Adjusting the neutral behavior of a color marking device'20128,068,257'Color printing reducing artifacts and banding by rendering black dots, replacing dots with process black, and adding non-black dots for different subsets of black dots'20117,847,975'Converting black to composite black in digital printing'20107,760,390'Binary resolution conversion aparatus and method'20107,630,098'Dynamic adjustment of raster image processing performance based on colors seen within several runs'20097,627,188'Error diffusion method and hardware architecture'20097,460,727'Error diffusion method and hardware architecture'20087,319,545'Method and apparatus for calibration of a color printer'20087,221,479'Method for avoiding multiple color moirés in color halftoning'20076,798,539'Method for moire-free color halftoning using non-orthogonal cluster screens'20046,775,029'Method for efficient calibration of printing devices'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2015Patents assigned to XEROX CORP (23)· patent assignee history
2004–2010Based in Rochester, NY, US· patent location history
2009–2015Based in Pittsford, NY, US· patent location history
2011–2014Patents assigned to WEN ZHENHUAN (11)· patent assignee history
2011–2014Patents assigned to LI XING (8)· patent assignee history
2011–2013Patents assigned to TSE FRANCIS K (3)· patent assignee history
2014Patents assigned to MALIK AMAL (6)· patent assignee history
2020Based in Redmond, WA, US· patent location history
2021Based in Hangzhou, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XEROX CORP | 23 | 2004–2015 |
| WEN ZHENHUANself | 11 | 2011–2014 |
| LI XING | 8 | 2011–2014 |
| MALIK AMAL | 6 | 2014 |
| TSE FRANCIS K | 3 | 2011–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsford, New York, US | 16 | 2009–2015 |
| Rochester, New York, US | 7 | 2004–2010 |
| Hangzhou, CN | 1 | 2021 |
| Redmond, Washington, US | 1 | 2020 |