Ledtech Electronics Corp.
TAIPEI COUNTY, TW· latest recorded location
Ledtech Electronics Corp. is named on 15 US grants and 21 published applications in this corpus. Its most frequent classification is F21Y (Indexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to).
- Granted patents
- 15
- Published applications
- 21
- Inventors
- 24
- Granted in 2026 so far
- 0
- Most recent grant
- 19 Apr 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 1 | 4 |
| 2008 | 5 | 2 |
| 2009 | 2 | 6 |
| 2010 | 5 | 6 |
| 2011 | 2 | 3 |
By publication year.
Technology areas
Share of 36 documents
- F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to30
- F21KNon-electric light sources using luminescence22
- F21VFunctional features or details of lighting devices or systems thereof19
- F21SNon-portable lighting devices14
- G02BOptical elements, systems or apparatus5
- Y02BEnergy-efficient buildings5
- H01RElectrically-conductive connections3
- G09FDisplaying2
- H10HInorganic light-emitting semiconductor devices having potential barriers2
- H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by2
Recent patents
- Custom assembly light-emitting module19 Apr 2011US 7,926,985 B2
- LED lamp tube15 Feb 2011US 7,887,226 B2
- Lighting unit, receptacle unit, and assembly thereof5 Oct 2010US 7,806,557 B2
- Array type light-emitting device with high color rendering index10 Aug 2010US 7,772,603 B2
- Light-emitting structure for generating an annular illumination effect20 Apr 2010US 7,699,490 B2
- Illumination structure and lamp tube structure for generating specific directional light sources17 Nov 2011US 2011/0280020 A1
- Assembled led lamp strip structure and led lamp having the same for continuous lighting18 Aug 2011US 2011/0199768 A1
- LED Lighting Device5 May 2011US 2011/0103053 A1
- Light emitting diode package structure2 Sep 2010US 2010/0219441 A1
- Led light tube2 Sep 2010US 2010/0220476 A1
Most cited
By later US patents