Growing community of inventors

Yongin-si, South Korea

Wonjae Cha

Average Co-Inventor Count = 1.71

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 4

Wonjae ChaSungho Lee (3 patents)Wonjae ChaJohn H Lee (2 patents)Wonjae ChaJong Oh Choi (1 patent)Wonjae ChaHaesung Lee (1 patent)Wonjae ChaJinseok Eom (1 patent)Wonjae ChaWonjae Cha (8 patents)Sungho LeeSungho Lee (3 patents)John H LeeJohn H Lee (12 patents)Jong Oh ChoiJong Oh Choi (3 patents)Haesung LeeHaesung Lee (1 patent)Jinseok EomJinseok Eom (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mezmo Corporation (5 from 7 patents)

2. Miracom USA, Inc. (3 from 3 patents)


8 patents:

1. 11909911 - System for centralized captioned telephone service

2. 11705131 - System and method for identifying spoken language in telecommunications relay service

3. 11570302 - System for providing caption feedback service to call center agent during phone call between call center agent and TRS user

4. 11546465 - System and method for providing one number service in telecommunications relay service

5. 10999431 - System and method for switching call agents in telecommunications relay service

6. 9502037 - Wireless caption communication service system

7. 9191787 - Text relay service communication system and method for a real-time transmission of transcribed voice data via a wireless packet network

8. 9100474 - System and method for providing wireless captioned telephone service

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as of
1/12/2026
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