Der-Shyang Jan

Follow

Person

Taipei, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Lens for forming laser lines with uniform brightness
- Patent number 7,130,128
- Issue date Oct 31, 2006
- Quarton Inc.
- Chao-Chi Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lens for forming laser lines with uniform brightness
- Patent number 6,970,297
- Issue date Nov 29, 2005
- Quarton Inc.
- Chao-Chi Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Universal angle means
- Patent number 6,739,062
- Issue date May 25, 2004
- Quarton, Inc.
- Der-Shyang Jan
- G01 - MEASURING TESTING
Information Patent Grant
Laser edge
- Patent number D480319
- Issue date Oct 7, 2003
- Quarton Inc
- Der-Shyang Jan
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Multifunctional turntable for a leveling device
- Patent number 6,481,686
- Issue date Nov 19, 2002
- Quarton Inc.
- Der-Shyang Jan
- G01 - MEASURING TESTING
Information Patent Grant
Laser extender
- Patent number 6,195,902
- Issue date Mar 6, 2001
- Quarton, Inc.
- Der-Shyang Jan
- G01 - MEASURING TESTING
Information Patent Grant
3D laser leveler
- Patent number 6,163,969
- Issue date Dec 26, 2000
- Quarton Inc.
- Der-Shyang Jan
- G01 - MEASURING TESTING
Information Patent Grant
Laser modules and methods of manufacturing same
- Patent number 5,905,751
- Issue date May 18, 1999
- Quarton, Inc.
- Chao-Chi Huang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Laser module and method of making
- Publication number 20070154151
- Publication date Jul 5, 2007
- Tony K. T. Chen
- G02 - OPTICS
Information Patent Application
Lens for forming laser lines with uniform brightness
- Publication number 20070041099
- Publication date Feb 22, 2007
- Quarton, Inc.
- Chao-Chi Huang
- G02 - OPTICS
Information Patent Application
Multi-beam laser level
- Publication number 20060283029
- Publication date Dec 21, 2006
- Der-Shyang Jan
- G01 - MEASURING TESTING
Information Patent Application
Cutting line indicator
- Publication number 20060213347
- Publication date Sep 28, 2006
- Der-Shyang Jan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Lens for forming laser lines with uniform brightness
- Publication number 20050270656
- Publication date Dec 8, 2005
- Quarton Inc.
- Chao-Chi Huang
- G02 - OPTICS
Information Patent Application
Lens for forming laser lines with uniform brightness
- Publication number 20050013009
- Publication date Jan 20, 2005
- Chao-Chi Huang
- G02 - OPTICS
Information Patent Application
Universal angle means
- Publication number 20040025358
- Publication date Feb 12, 2004
- Der-Shyang Jan
- G01 - MEASURING TESTING