Wonjae Cha — 11 Patents at Mezmo

Wonjae Cha has been granted 11 US patents while listed as an inventor at Mezmo. The first was granted in 2015 and the most recent in March 2025. Wonjae Cha ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Wonjae Cha in Irvine, CA, US.

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Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date
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

Wonjae Cha — 11 Patents

Patents per Year

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