Inventor
Choon Guan Ko
Inventor
Penang, MY
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication15%
G02BOptical elements, systems or apparatus13%
H01HElectric switches13%
G06FElectric digital data processing7%
Y10TTechnical subjects covered by former us classification7%
F21VFunctional features or details of lighting devices or systems thereof6%
H05BElectric heating6%
F21SNon-portable lighting devices4%
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%
B29DProducing particular articles from plastics or from substances in a plastic state2%
PatentTitleYear
9,474,116'Minimized color shift lighting arrangement during dimming'20169,429,285'Downlight auxiliary ring'20169,382,936'Threaded insert with thermal insulation capability'20169,347,648'Lighting apparatus with transmission control'20168,981,408'Light source having liquid encapsulant'20158,376,603'Multi-segmented light guide for an input device'20138,357,865'Keypad illumination apparatus'20138,339,288'Light guide having a capacitive sensing grid for a keypad and related methodology'20128,317,384'Light guide film with cut lines, and optical keypad using such film'20128,308,336'Multi-segmented light guide for keypad and display apparatus'20128,188,399'Fitting a light guide sheet to a keypad using protrusions'20128,172,413'Keypad assembly'20128,172,444'Light guide display with multiple light guide layers'20128,142,036'Keypad device with light source and reflector'20128,035,048'Illuminated keypad'20117,794,130'Segmented light guide'20107,740,390'Segmented light guide'20107,712,910'Low-profile backlight with flexible light guide'20107,348,530'System, method and apparatus for regulating the light emitted by a light source'20087,108,413'Sampling for color control feedback using an optical cable'20067,012,382'Light emitting diode based light system with a redundant light source'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2013Patents assigned to AVAGO TECH ECBU IP SG PTE LTD (10)· patent assignee history
2006–2013Patents assigned to KO CHOON GUAN (10)· patent assignee history
2006–2013Patents assigned to NG FOOK CHUIN (9)· patent assignee history
2006–2016Based in Penang, MY· patent location history
2011–2012Based in Sungai Dua, MY· patent location history
2012–2013Patents assigned to CHUNG MUH FONG (7)· patent assignee history
2012–2013Patents assigned to LEE SIAN TATT (7)· 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 | 10 | 2006–2013 |
| KO CHOON GUANself | 10 | 2006–2013 |
| NG FOOK CHUIN | 9 | 2006–2013 |
| CHUNG MUH FONG | 7 | 2012–2013 |
| LEE SIAN TATT | 7 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Penang, MY | 14 | 2006–2016 |
| Sungai Dua, MY | 7 | 2011–2012 |