Inventor
Chul Hyun Park
Inventor
Seoul, KR
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks18%
H04LTransmission of digital information, e.g. telegraphic communication17%
C07DHeterocyclic compounds10%
G03GElectrography7%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
G02BOptical elements, systems or apparatus5%
G11CStatic stores5%
H04BTransmission5%
H04NPictorial communication, e.g. television5%
B41JTypewriters4%
PatentTitleYear
10,637,822Method and device for managing identifier of EUICC202010,462,667Method of providing mobile communication provider information and device for performing the same201910,334,443Method for configuring profile of subscriber authenticating module embedded and installed in terminal device, and apparatus using same201910,187,798Terminal device having subscriber identity device and method for selecting profile thereof201910,143,549Composite valved graft comprising double sewing cuffs201810,111,092Terminal device having subscriber identity device and method for selecting profile thereof20189,992,454Monitoring blind spot using moving objects20189,942,520Interactive and targeted monitoring service20189,924,357'Method for providing mobile communication provider information and device for performing same'20189,733,588'Exposure device and image forming apparatus adopting the same'20179,730,060'Method and system for transfering profiles of authentication module'20179,706,407'Method for configuring profile of subscriber authenticating module embedded and installed in terminal device, and apparatus using same'20179,678,994'Method of backing up profile and apparatus therefor'20179,674,181'Surveillance camera renting service'20179,599,922'Light scanning apparatus and image forming apparatus employing the same'20179,585,000'Method of providing subscriber profile of eUICC based on change of network'20179,465,314'Light scanning unit and image forming apparatus employing the same'20169,467,187'Method for selecting mobile communication network provider using provisioning profile, and apparatus using same'20169,306,914'Method and system for backing up profiles of authentication module'20169,296,221'Light scanning unit and image forming apparatus employing the same'20169,264,844'Method and apparatus of providing SIM profile for embedded universal integrated circuit card'20169,231,931'Method and apparatus of constructing secure infra-structure for using embedded universal integrated circuit card'20169,204,300'Method for providing SIM profile in eUICC environment and devices therefor'20159,159,411'Multi-level memory apparatus and data sensing method thereof'20159,001,596'Nonvolatile memory apparatus including sharing driver capable of performing both of read and write operation'20158,933,980'Light scanning unit and image forming apparatus including the same'20158,830,729'Resistive memory apparatus'20148,659,930'Non-volatile memory device'20148,569,490'Intermediate and process for preparing entecavir using same'20138,426,599'Method for preparation of Montelukast acid in ionic liquid medium'20138,284,032'Method and apparatus for signal detection in radio frequency identification system'20128,217,174'Method of preparing montelukast and intermediates used therein'20127,800,846'Imaging lens assembly, light scanning unit and image forming apparatus having the same'20107,157,576'Crystalline acid salts of cefdinir and process for preparing cefdinir using same'20077,112,672'Process for the selective preparation of 3-(z) propenyl-cephem compound'20067,084,274'Method for the selective preparation of 3-oxo-4-aza-5α-androstane compound'20067,038,050'Method for the preparation of highly pure 1-androstene derivatives'20066,639,068'Method of preparing highly pure cefpodoxime proxetil'20036,620,930'Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2007Patents assigned to HANMI PHARM IND CO LTD (6)· patent assignee history
2003–2020Based in Seoul, KR· patent location history
2006–2013Based in Seongnam-si, KR· patent location history
2010–2020Patents assigned to SAMSUNG ELECTRONICS CO LTD (8)· patent assignee history
2012–2016Patents assigned to PARK CHUL HYUN (4)· patent assignee history
2012–2013Patents assigned to LEE GWAN SUN (3)· patent assignee history
2014–2018Based in Gyeonggi-do, KR· patent location history
2015–2019Patents assigned to KT CORP (17)· patent assignee history
2015–2017Based in Yongin, KR· patent location history
2016–2018Based in Yongin-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KT CORP | 17 | 2015–2019 |
| SAMSUNG ELECTRONICS CO LTD | 8 | 2010–2020 |
| HANMI PHARM IND CO LTD | 6 | 2003–2007 |
| PARK CHUL HYUNself | 4 | 2012–2016 |
| LEE GWAN SUN | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 16 | 2003–2020 |
| Seongnam-si, KR | 7 | 2006–2013 |
| Yongin-si, KR | 5 | 2016–2018 |
| Gyeonggi-do, KR | 4 | 2014–2018 |
| Yongin, KR | 3 | 2015–2017 |