| 12244764 |
Captioned telephone service system for providing original number service and anti-spam function |
Jong Oh Choi, John H. Lee |
2025-03-04 |
| 11909911 |
System for centralized captioned telephone service |
Sungho Lee, John H. Lee |
2024-02-20 |
| 11902466 |
Captioned telephone service system having text-to-speech and answer assistance functions |
John H. Lee |
2024-02-13 |
| 11705131 |
System and method for identifying spoken language in telecommunications relay service |
John H. Lee |
2023-07-18 |
| 11570302 |
System for providing caption feedback service to call center agent during phone call between call center agent and TRS user |
Haesung LEE |
2023-01-31 |
| 11546465 |
System and method for providing one number service in telecommunications relay service |
Sungho Lee, Jong Oh Choi |
2023-01-03 |
| 10999431 |
System and method for switching call agents in telecommunications relay service |
Sungho Lee |
2021-05-04 |
| 10342931 |
Optically induced injection device |
— |
2019-07-09 |
| 9502037 |
Wireless caption communication service system |
— |
2016-11-22 |
| 9191787 |
Text relay service communication system and method for a real-time transmission of transcribed voice data via a wireless packet network |
— |
2015-11-17 |
| 9100474 |
System and method for providing wireless captioned telephone service |
Jinseok Eom |
2015-08-04 |