Irvine, CA, United States of America

Wonjae Cha

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Mezmo Corporation. Active years: 2024-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wonjae Cha. Retrieved from https://idiyas.com/inventor/wonjae-cha-n60qrmvr

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 4 

% Patents Active = 50.0

Average Co-Inventor Count = 2.6

ph-index = 1


Company Filing History:


Years Active: 2024-2026

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4 patents (USPTO):Explore Patents

Title: Innovations by Wonjae Cha in Captioned Telephone Service Systems

Introduction

Wonjae Cha is an accomplished inventor based in Irvine, California. He has made significant contributions to the field of telecommunications, particularly in developing systems that enhance communication for users with hearing impairments. With a total of two patents to his name, Cha's work focuses on improving the functionality and accessibility of captioned telephone services.

Latest Patents

Cha's latest patents include a captioned telephone service system designed to provide original number service and an anti-spam function. This innovative system comprises a CTS server and a database, allowing users to block spam calls effectively. The system enables users to display their original phone number instead of the CTS number during calls, enhancing caller identification. Additionally, the system assists users in setting up call forwarding and ensures that emergency calls are not dropped.

Another notable patent by Cha is a captioned telephone service system that incorporates text-to-speech and answer assistance functions. This system features a captioner that transcribes the voice of the caller into captions for the user. It also includes a text-to-speech system that converts text data into speech in real time, facilitating seamless communication. The answer assistance system analyzes the captions to identify questions and generate answer suggestions, further aiding the user during phone calls.

Career Highlights

Cha is currently employed at Mezmo Corporation, where he continues to innovate and develop advanced communication technologies. His work at Mezmo has positioned him as a key player in the field of telecommunications, particularly in creating solutions that cater to individuals with hearing challenges.

Collaborations

Cha collaborates with talented colleagues, including John H Lee and Jong Oh Choi, who contribute to the development of innovative technologies at Mezmo Corporation. Their teamwork fosters an environment of creativity and problem-solving, leading to groundbreaking advancements in communication systems.

Conclusion

Wonjae Cha's contributions to captioned telephone service systems demonstrate his commitment to enhancing communication accessibility. His innovative patents reflect a deep understanding of user needs and a dedication to improving the lives of individuals with hearing impairments. Through his work at Mezmo Corporation, Cha continues to pave the way for advancements in telecommunications.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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