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Patents Grants
last 30 patents
Information
Patent Grant
Ultra wideband antenna with band-notched characteristics
Patent number
8,049,672
Issue date
Nov 1, 2011
Tatung University
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dual band antenna
Patent number
7,639,186
Issue date
Dec 29, 2009
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wide band co-planar waveguide feeding circularly polarized antenna
Patent number
7,598,914
Issue date
Oct 6, 2009
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Partially reflective surface antenna
Patent number
7,548,217
Issue date
Jun 16, 2009
Tatung University & Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Microstrip reflectarray antenna
Patent number
7,439,913
Issue date
Oct 21, 2008
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Enhanced mechanism for radio frequency identification reader
Patent number
7,388,500
Issue date
Jun 17, 2008
Tatung Company
The-Nan Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Circularly polarized antenna
Patent number
7,382,320
Issue date
Jun 3, 2008
Tatung Company and Tatung University
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circularly polarized antenna
Patent number
7,362,272
Issue date
Apr 22, 2008
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Partially reflective surface antenna
Patent number
7,319,429
Issue date
Jan 15, 2008
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dual-band circularly polarized antenna
Patent number
7,315,283
Issue date
Jan 1, 2008
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circularly polarized array antenna
Patent number
7,271,768
Issue date
Sep 18, 2007
Tatung Co., Ltd.
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Reflecting board with variable slot size for a microstrip reflectar...
Patent number
7,259,721
Issue date
Aug 21, 2007
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Microstrip reflective array antenna adopting a plurality of U-slot...
Patent number
7,161,539
Issue date
Jan 9, 2007
Tatung Co., Ltd.
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Stacked microstrip reflect array antenna
Patent number
7,026,998
Issue date
Apr 11, 2006
Tatung Co., Ltd.
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dual operational frequency slot antenna
Patent number
7,006,048
Issue date
Feb 28, 2006
Tatung Co., Ltd.
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bilayer microstrip reflector antenna
Patent number
6,861,987
Issue date
Mar 1, 2005
Tatung Co., Ltd.
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Radome and microstrip patch antenna having the same
Publication number
20100097271
Publication date
Apr 22, 2010
Tatung University
The-Nan CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Ultra wideband antenna with band-notched characteristics
Publication number
20100066621
Publication date
Mar 18, 2010
Tatung University
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PARTIALLY REFLECTIVE SURFACE ANTENNA
Publication number
20090115680
Publication date
May 7, 2009
Tatung University
The-Nan CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DUAL BAND ANTENNA
Publication number
20090096677
Publication date
Apr 16, 2009
TATUNG COMPANY
The-Nan CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WIDE BAND CO-PLANAR WAVEGUIDE FEEDING CIRCULARLY POLARIZED ANTENNA
Publication number
20090073074
Publication date
Mar 19, 2009
TATUNG COMPANY
The-Nan CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Microstrip reflectarray antenna
Publication number
20080024368
Publication date
Jan 31, 2008
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Circularly polarized antenna
Publication number
20070257844
Publication date
Nov 8, 2007
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Dual-band circularly polarized antenna
Publication number
20070236390
Publication date
Oct 11, 2007
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Reflecting board with variable slot size for a microstrip reflectar...
Publication number
20070103368
Publication date
May 10, 2007
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Circularly polarized antenna
Publication number
20070096989
Publication date
May 3, 2007
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Partially reflective surface antenna
Publication number
20070090998
Publication date
Apr 26, 2007
Tatung Company
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Dual frequency antenna
Publication number
20070035450
Publication date
Feb 15, 2007
Tatung University
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Enhanced mechanism for radio frequency identification reader
Publication number
20060158334
Publication date
Jul 20, 2006
Tatung Co., Ltd.
The-Nan Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Microstrip reflective array antenna adopting a plurality of U-slot...
Publication number
20060145937
Publication date
Jul 6, 2006
Tatung Co., Ltd.
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Circularly polarized array antenna
Publication number
20060132359
Publication date
Jun 22, 2006
Tatung Co., Ltd.
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Stacked microstrip reflect array antenna
Publication number
20050122266
Publication date
Jun 9, 2005
Tatung Co., Ltd.
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Dual operational frequency slot antenna
Publication number
20050088354
Publication date
Apr 28, 2005
Tatung Co., Ltd.
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Bilayer microstripe reflector antenna
Publication number
20040140943
Publication date
Jul 22, 2004
Tatung Co., Ltd.
The-Nan Chang
H01 - BASIC ELECTRIC ELEMENTS