Inventor
Kean Loo Keh
Inventor
Penang, MY
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers15%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light9%
G02BOptical elements, systems or apparatus8%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them6%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
Y10TTechnical subjects covered by former us classification6%
B41JTypewriters4%
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 emitted4%
G01DMeasuring not specially adapted for a specific variable4%
PatentTitleYear
8,651,703'Light emitting device using filter element'20148,384,103'Increasing contrast in electronic color displays via surface texturing of LEDs'20138,174,100'Light source using a light-emitting diode'20128,120,056'Light emitting diode assembly'20128,101,955'PLCC package with a reflector cup surrounded by an encapsulant'20128,034,644'Light emitting device'20117,951,863'Coated package with filter profile'20117,777,355'Infrared-blocking encapsulant with organometallic colloids'20107,737,638'Light-emitting device'20107,649,161'Light source utilizing light pipes for optical feedback'20107,609,291'Device and method for producing an enhanced color image using a flash of infrared light'20097,570,246'Method and apparatus for communication using pulse-width-modulated visible light'2009D0596592'Light emitting diode'2009D0596593'Light emitting diode'20097,551,158'Display device and method for providing optical feedback'20097,526,126'Color duplication method and apparatus'20097,472,979'Optical encoder device, and system including same'20097,446,303'Ambient light sensing using a color sensor'20087,435,962'Imaging device and method for producing an infrared filtered digital image'20087,351,949'Optical generic switch panel'20087,285,768'Color photodetector array'20077,270,465'Light guide with an insert molded attachment structure for an optically active element'20077,265,749'Optical generic switch panel'20077,229,671'Method for coating package with a filter profile'20077,113,280'Dye detection method and apparatus'20066,966,623'Optical encoder device'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2011Based in Penang, MY· patent location history
2006–2012Patents assigned to AVAGO TECH ECBU IP SG PTE LTD (21)· patent assignee history
2008–2010Patents assigned to AVAGO TECHNOLOGIES GENERAL IP (2)· patent assignee history
2009–2014Based in Gelugor, MY· patent location history
2009Based in Jalan Bruas, MY· patent location history
2012–2014Patents assigned to KEH KEAN LOO (5)· patent assignee history
2012–2013Patents assigned to YONG LIG YI (4)· patent assignee history
2012–2014Patents assigned to WONG KUM SOON (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AVAGO TECH ECBU IP SG PTE LTD | 21 | 2006–2012 |
| KEH KEAN LOOself | 5 | 2012–2014 |
| YONG LIG YI | 4 | 2012–2013 |
| WONG KUM SOON | 3 | 2012–2014 |
| AVAGO TECHNOLOGIES GENERAL IP | 2 | 2008–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Penang, MY | 17 | 2005–2011 |
| Gelugor, MY | 8 | 2009–2014 |
| Jalan Bruas, MY | 1 | 2009 |