Inventor
Rong Liu
Inventor
Selden, NY, US
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Kprimary
G06KGraphical data reading25%
H04NPictorial communication, e.g. television17%
G02BOptical elements, systems or apparatus9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
F21KNon-electric light sources using luminescence5%
G06FElectric digital data processing5%
H01HElectric switches5%
H01LSemiconductor devices5%
H10HInorganic light-emitting semiconductor devices having potential barriers5%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted3%
PatentTitleYear
10,802,336Displays with direct-lit backlight units and light spreading structures202010,739,638Backlight units with support posts and cavity height monitoring202010,690,837Backlist displays with bent light guide layers202010,613,389Light-emitting diodes in displays with direct-lit backlight units202010,571,618Display backlight with an optical film202010,318,778Reducing perceived brightness of illumination light source in electro-optical readers that illuminate and read targets by image capture201910,310,167Illumination structure for uniform illumination of keys20199,997,304Uniform illumination of keys20189,971,084Illumination structure for uniform illumination of keys20189,087,933'Light-emitting diode and method for preparing the same'20158,950,674'Apparatus for and method of imaging targets with a hybrid imaging lens assembly'20158,857,719'Decoding barcodes displayed on cell phone'20148,657,194'Compact hybrid imaging lens assembly in an imaging reader'20148,448,867'Illumination apparatus for an imaging-based bar code system'20138,450,708'Arrangement for and method of generating uniform distributed illumination pattern for imaging reader'20138,430,316'Imaging-based reader having smart illumination'20138,430,314'Apparatus for and method of aligning non-rotationally symmetrical imaging lens aperture with an imaging sensor in an imaging reader'20138,279,496'Method of optimal focusing for document scanner'20128,167,210'System for increasing imaging quality'20128,030,630'Imaging reader system with safety control'2011RE042774'Single step multi-section exposure scanning method'20118,028,913'Arrangement for and method of uniformly illuminating direct part markings to be imaged and electro-optically read'20118,006,906'Arrangement for and method of generating uniform distributed line pattern for imaging reader'20118,002,186'Laser power control arrangements in electro-optical readers'20117,967,210'Imaging bar code reader having light emitting diode for generating a field of view'20117,963,447'Enhanced monitoring of laser output power in electro-optical readers'2011RE042033'Single step multi-section exposure scanning method'20117,762,466'Two position zoom lens assembly for an imaging-based bar code reader'20107,733,541'Method of shortening multiple-image scanning duration'20107,511,863'Scanning device and method for saving compensation memory'20097,369,316'Optical system for a digital light projection system including optical concentrator elements having reflective aperture elements'20087,265,878'Method of shortening multiple-image scanning duration'20077,215,447'Method of optimal focusing for document scanner'20077,206,093'Scanning device and method for saving compensation memory'20077,031,028'Optical scanner equipped with plug-in calibration film'20066,608,301'Single step multi-section exposure scanning method'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2012Based in Taichung, TW· patent location history
2006–2012Patents assigned to LIU RONG-JI (7)· patent assignee history
2007–2011Patents assigned to CHANG TOM-CHIN (3)· patent assignee history
2010–2019Patents assigned to SYMBOL TECHNOLOGIES INC (16)· patent assignee history
2010–2013Based in Selden, NY, US· patent location history
2011–2019Based in Centereach, NY, US· patent location history
2012–2014Patents assigned to LIU RONG (6)· patent assignee history
2018–2020Patents assigned to APPLE INC (8)· patent assignee history
2018–2019Based in Cupertino, CA, US· patent location history
2020Based in Sunnyvale, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SYMBOL TECHNOLOGIES INC | 16 | 2010–2019 |
| APPLE INC | 8 | 2018–2020 |
| LIU RONG-JIself | 7 | 2006–2012 |
| LIU RONGself | 6 | 2012–2014 |
| CHANG TOM-CHIN | 3 | 2007–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Selden, New York, US | 9 | 2010–2013 |
| Taichung, TW | 9 | 2003–2012 |
| Centereach, New York, US | 7 | 2011–2019 |
| Sunnyvale, California, US | 5 | 2020 |
| Cupertino, California, US | 3 | 2018–2019 |