Leotek Electronics Corporation
Santa Clara, CA, US· latest recorded location
Leotek Electronics Corporation is named on 5 US grants and 5 published applications in this corpus. Its most frequent classification is F21K (Non-electric light sources using luminescence).
- Granted patents
- 5
- Published applications
- 5
- Inventors
- 9
- Granted in 2026 so far
- 0
- Most recent grant
- 4 Dec 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
By publication year.
Technology areas
Share of 10 documents
- F21KNon-electric light sources using luminescence6
- G09FDisplaying6
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6
- F21VFunctional features or details of lighting devices or systems thereof4
- F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to4
- F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to4
- B61LGuiding railway traffic2
- G02BOptical elements, systems or apparatus2
- G08GTraffic control systems2
- Y02BEnergy-efficient buildings2
Recent patents
- Method and apparatus for backlit signs with light emitting diode modules4 Dec 2007US 7,303,309 B2
- Internally illuminated light panel with LED modules having light redirecting devices6 Feb 2007US 7,172,324 B2
- Compact light emitting diode retrofit lamp and method for traffic signal lights28 Jun 2005US 6,911,915 B2
- Light emitting diode retrofit module for traffic signal lights14 Jun 2005US 6,905,227 B2
- Method and apparatus for retrofitting backlit signs with light emitting diode modules13 Jul 2004US 6,761,471 B2
- Internally illuminated light panel with LED modules having light redirecting devices11 Aug 2005US 2005/0174802 A1
- Method and apparatus for backlit signs with light emitting diode modules24 Feb 2005US 2005/0039361 A1
- Method and apparatus for retrofitting backlit signs with light emitting diode modules29 Apr 2004US 2004/0080960 A1
- Compact light emitting diode retrofit lamp and method for traffic signal lights15 Apr 2004US 2004/0070519 A1
- Light emitting diode retrofit module for traffic signal lights4 Mar 2004US 2004/0042208 A1
Most cited
By later US patents
- Internally illuminated light panel with LED modules having light redirecting devices52US 7,172,324 B22007
- Compact light emitting diode retrofit lamp and method for traffic signal lights47US 6,911,915 B22005
- Light emitting diode retrofit module for traffic signal lights28US 6,905,227 B22005
- Method and apparatus for retrofitting backlit signs with light emitting diode modules10US 6,761,471 B22004
- Method and apparatus for backlit signs with light emitting diode modules6US 7,303,309 B22007