Alexander K. Yu

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Collapsible support rod with adjustable threaded joint
- Patent number 6,726,395
- Issue date Apr 27, 2004
- Alexander Yu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
One-piece collapsible lampshade
- Patent number 6,663,263
- Issue date Dec 16, 2003
- Alexander Yu
- F21 - LIGHTING
Information Patent Grant
Lamp receptacle with a multiple-stage power adjusting switch
- Patent number 6,396,009
- Issue date May 28, 2002
- Alexander Yu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Clamp-based stand and a pedestal for holding the same
- Patent number 5,765,793
- Issue date Jun 16, 1998
- Alexander Yu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Table lamp
- Patent number D368149
- Issue date Mar 19, 1996
- Alexander Yu
- D26 - Lighting
Information Patent Grant
Socket assembly
- Patent number 4,781,616
- Issue date Nov 1, 1988
- Alexander K. Yu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Collapsible support rod with adjustable threaded joint
- Publication number 20040018043
- Publication date Jan 29, 2004
- Alexander Yu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ONE-PIECE COLLAPSIBLE LAMPSHADE
- Publication number 20030185013
- Publication date Oct 2, 2003
- Alexander Yu
- F21 - LIGHTING
Information Patent Application
Collapsible lampshade
- Publication number 20020071283
- Publication date Jun 13, 2002
- Alexander Yu
- F21 - LIGHTING