Inventor
The-Nan Chang
Inventor
Taipei, TW
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Qprimary
H01QAntennas, i.e. radio aerials94%
G06KGraphical data reading6%
PatentTitleYear
8,049,672'Ultra wideband antenna with band-notched characteristics'20117,639,186'Dual band antenna'20097,598,914'Wide band co-planar waveguide feeding circularly polarized antenna'20097,548,217'Partially reflective surface antenna'20097,439,913'Microstrip reflectarray antenna'20087,388,500'Enhanced mechanism for radio frequency identification reader'20087,382,320'Circularly polarized antenna'20087,362,272'Circularly polarized antenna'20087,319,429'Partially reflective surface antenna'20087,315,283'Dual-band circularly polarized antenna'20087,271,768'Circularly polarized array antenna'20077,259,721'Reflecting board with variable slot size for a microstrip reflectarray antenna'20077,161,539'Microstrip reflective array antenna adopting a plurality of U-slot patches'20077,026,998'Stacked microstrip reflect array antenna'20067,006,048'Dual operational frequency slot antenna'20066,861,987'Bilayer microstrip reflector antenna'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2007Patents assigned to TATUNG CO LTD (5)· patent assignee history
2005–2011Based in Taipei, TW· patent location history
2007–2011Patents assigned to TATUNG CO (9)· patent assignee history
2008–2011Patents assigned to UNIV TATUNG (5)· patent assignee history
2008Patents assigned to TATUNG COMPANY AND TATUNG UNIV (1)· patent assignee history
2009Patents assigned to TATUNG UNIVERSITY & TATUNG COM (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TATUNG CO | 9 | 2007–2011 |
| TATUNG CO LTD | 5 | 2005–2007 |
| UNIV TATUNG | 5 | 2008–2011 |
| TATUNG COMPANY AND TATUNG UNIV | 1 | 2008 |
| TATUNG UNIVERSITY & TATUNG COM | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taipei, TW | 16 | 2005–2011 |