Inventor
Yen-Fu Liu
Inventor
Taipei, TW
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Vprimary
F21VFunctional features or details of lighting devices or systems thereof17%
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 emitted17%
F21SNon-portable lighting devices10%
G06FElectric digital data processing10%
F21KNon-electric light sources using luminescence7%
G01RMeasuring electric variables7%
H04LTransmission of digital information, e.g. telegraphic communication7%
LOC267%
G11CStatic stores3%
H01HElectric switches3%
PatentTitleYear
8,760,411'Method for determining the number of fingers on a sensing device'20148,164,575'Method for identifying a single tap, double taps and a drag and a controller for a touch device employing the method'20128,045,706'System of efficiently implementing secure hash algorithm (SHA-1) in digital hardware that accomplishes optimal computation speed using minimal hardware resources'20117,976,190'Custom assembly light-emitting module using plugs and jacks for obtaining vertical electrical connections'20117,806,557'Lighting unit, receptacle unit, and assembly thereof'20107,682,039'Extensible light shade'20107,642,479'Touch pad structure'20107,600,907'LED lighting device'20097,570,759'System and method for secure encryption'20097,556,396'Lamp assembly'2009D0583496'Lamp'2008D0578248'LED lamp'20087,346,816'Method and system for testing memory using hash algorithm'20087,020,570'Accelerated test method and system'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2014Patents assigned to LIU YEN-FU (6)· patent assignee history
2006–2009Based in Taoyuan, TW· patent location history
2008–2010Patents assigned to LEDTECH ELECTRONICS CORP (6)· patent assignee history
2008–2014Based in Taipei, TW· patent location history
2008–2011Based in Tu-Cheng, TW· patent location history
2009–2010Based in Hsin-Tien, TW· patent location history
2011Based in Chung-Li, TW· patent location history
2012–2014Patents assigned to LIN JAO-CHING (2)· patent assignee history
2012Patents assigned to CHU LIN-ABEL (1)· patent assignee history
2014Patents assigned to CHU LINABEL (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEDTECH ELECTRONICS CORP | 6 | 2008–2010 |
| LIU YEN-FUself | 6 | 2006–2014 |
| LIN JAO-CHING | 2 | 2012–2014 |
| CHU LIN-ABEL | 1 | 2012 |
| CHU LINABEL | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taipei, TW | 5 | 2008–2014 |
| Hsin-Tien, TW | 3 | 2009–2010 |
| Taoyuan, TW | 3 | 2006–2009 |
| Tu-Cheng, TW | 2 | 2008–2011 |
| Chung-Li, TW | 1 | 2011 |