Inventor
Chang Soon Choi
Inventor
Seoul, KR
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission23%
H04WWireless communication networks23%
H04LTransmission of digital information, e.g. telegraphic communication15%
B82YSpecific uses or applications of nanostructures8%
G02BOptical elements, systems or apparatus8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
H04JMultiplex communication8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
11,088,795Reference signal transmission device and reference signal transmission method202111,082,879Base station device, terminal apparatus and QoS control method in wireless section202111,071,075Apparatus for transmitting synchronous signal, terminal for receiving synchronous signal and method thereof202111,019,664Uplink signal transmission device and uplink signal transmission method20219,110,201'Metamaterial structure'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015Patents assigned to KOREA ELECTRONICS TELECOMM (1)· patent assignee history
2015Based in Daejeon, KR· patent location history
2021Patents assigned to SK TELECOM CO LTD (4)· patent assignee history
2021Based in Seoul, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SK TELECOM CO LTD | 4 | 2021 |
| KOREA ELECTRONICS TELECOMM | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 4 | 2021 |
| Daejeon, KR | 1 | 2015 |