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Ching-Long Tsai
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Woodbury, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Application for a radio frequency identification system
Patent number
7,619,529
Issue date
Nov 17, 2009
3M Innovative Properties Company
Edward D. Goff
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Identification tag with enhanced security
Patent number
6,646,554
Issue date
Nov 11, 2003
3M Innovative Properties Company
Edward D. Goff
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Application for a radio frequency identification system
Patent number
6,600,420
Issue date
Jul 29, 2003
3M Innovative Properties Company
Edward D. Goff
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic article surveillance markers for optically recorded media
Patent number
6,525,661
Issue date
Feb 25, 2003
3M Innovative Properties Company
Ching-Long Tsai
G08 - SIGNALLING
Information
Patent Grant
Furcation apparatus for optical fibers
Patent number
6,389,214
Issue date
May 14, 2002
3M Innovative Properties Company
Duane T. Smith
G02 - OPTICS
Information
Patent Grant
Application for a radio frequency identification system
Patent number
6,335,686
Issue date
Jan 1, 2002
3M Innovative Properties Company
Edward D. Goff
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Identification tag with enhanced security
Patent number
6,154,137
Issue date
Nov 28, 2000
3M Innovative Properties Company
Edward D. Goff
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic article surveillance markers for direct application to o...
Patent number
6,097,291
Issue date
Aug 1, 2000
3M Innovative Properties Company
Ching-Long Tsai
G08 - SIGNALLING
Information
Patent Grant
Thermoset adhesive having susceptor particles therein
Patent number
6,045,648
Issue date
Apr 4, 2000
Minnesta Mining and Manufacturing Company
Charlotte M. Palmgren
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Electronic article surveillance markers for direct application to o...
Patent number
5,939,985
Issue date
Aug 17, 1999
Innovative Properties Company
Ching-Long Tsai
G08 - SIGNALLING
Information
Patent Grant
Electronic article surveillance markers for direct application to o...
Patent number
5,825,292
Issue date
Oct 20, 1998
Minnesota Mining and Manufacturing Company
Ching-Long Tsai
G08 - SIGNALLING
Information
Patent Grant
Medical device assemblies constructed from multilayered films
Patent number
5,712,044
Issue date
Jan 27, 1998
Minnesota Mining and Manufacturing Company
Dan L. Fanselow
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Electronic article surveillance markers for direct application to o...
Patent number
5,699,047
Issue date
Dec 16, 1997
Minnesota Mining and Manufacturing Co.
Ching-Long Tsai
G08 - SIGNALLING
Information
Patent Grant
Dual status thin-film eas marker having multiple magnetic layers
Patent number
5,580,664
Issue date
Dec 3, 1996
Minnesota Mining and Manufacturing Company
Ching-Long Tsai
G08 - SIGNALLING
Information
Patent Grant
Electromagnetic radiation susceptor material employing ferromagneti...
Patent number
5,278,377
Issue date
Jan 11, 1994
Minnesota Mining and Manufacturing Company
Ching-Long Tsai
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
ELECTROSTATIC DISCHARGE PROTECTION FOR COMPONENTS OF AN RFID TAG
Publication number
20080018473
Publication date
Jan 24, 2008
3M Innovative Properties Company
Ching-Long Tsai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Optical connector system with EMI shielding
Publication number
20050281509
Publication date
Dec 22, 2005
3M Innovative Properties Company
Larry R. Cox
G02 - OPTICS
Information
Patent Application
Application for a radio frequency identification system
Publication number
20030206107
Publication date
Nov 6, 2003
3M Innovative Properties Company
Edward D. Goff
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ELECTRONIC ARTICLE SURVEILLANCE MARKERS FOR OPTICALLY RECORDED MEDIA
Publication number
20020140556
Publication date
Oct 3, 2002
Minnesota Mining and Manufacturing Company
CHING-LONG TSAI
G08 - SIGNALLING
Information
Patent Application
Application for a radio frequency identification system
Publication number
20020011967
Publication date
Jan 31, 2002
3M Innovative Properties Company
Edward D. Goff
G06 - COMPUTING CALCULATING COUNTING