Inventor
Jen-Chung Chang
Inventor
Taoyuan County, TW
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Dprimary
H03DDemodulation or transference of modulation from one carrier to another40%
G09GArrangements or circuits for control of indicating devices using static means to present variable information20%
H03FAmplifiers20%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses20%
PatentTitleYear
9,245,474'Display driving device and method for driving display'20167,672,658'Frequency-converting circuit and down converter with the same'20107,636,018'Phase locked loop with phase shifted input'20097,579,913'Low power comsumption, low noise and high power gain distributed amplifiers for communication systems'20097,577,418'Sub-harmonic mixer and down converter with the same'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2010Patents assigned to UNITED MICROELECTRONICS CORP (4)· patent assignee history
2009–2010Patents assigned to UNIV NAT TAIWAN (3)· patent assignee history
2009Based in Taoyuan County, TW· patent location history
2009Based in Pingtung County, TW· patent location history
2010Based in Jhubei City, TW· patent location history
2016Patents assigned to NOVATEK MICROELECTRONICS CORP (1)· patent assignee history
2016Based in Hsinchu, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNITED MICROELECTRONICS CORP | 4 | 2009–2010 |
| UNIV NAT TAIWAN | 3 | 2009–2010 |
| NOVATEK MICROELECTRONICS CORP | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taoyuan County, TW | 2 | 2009 |
| Hsinchu, TW | 1 | 2016 |
| Jhubei City, TW | 1 | 2010 |
| Pingtung County, TW | 1 | 2009 |