Inventor
Hsi-Feng Chen
Inventor
New Taipei, TW
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks50%
H03FAmplifiers25%
H04LTransmission of digital information, e.g. telegraphic communication25%
PatentTitleYear
11,121,678Vacuum tube amplification system capable of reducing residual noise and a grounding method thereof20219,258,838'Communication apparatus and a timing method thereof'20168,588,215'Proxy server, computer program product and methods for providing a plurality of internet telephony services'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2016Patents assigned to CHEN HSI-FENG (2)· patent assignee history
2013–2016Patents assigned to MEDIATEK INC (2)· patent assignee history
2013Based in Bade City, TW· patent location history
2016Patents assigned to CHENG MING-CHUN (1)· patent assignee history
2016Patents assigned to CUI XINWEI (1)· patent assignee history
2016Patents assigned to DONG ZHAOKUN (1)· patent assignee history
2016Based in Hsinchu County, TW· patent location history
2021Based in New Taipei, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEN HSI-FENGself | 2 | 2013–2016 |
| MEDIATEK INC | 2 | 2013–2016 |
| CHENG MING-CHUN | 1 | 2016 |
| CUI XINWEI | 1 | 2016 |
| DONG ZHAOKUN | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| New Taipei, TW | 1 | 2021 |
| Hsinchu County, TW | 1 | 2016 |
| Bade City, TW | 1 | 2013 |