Forward Citations = 2

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6 inventors (with patents filed for the assignee):

Duho Kim (3 out of 4 patents)

Seonghyeon Han (1 out of 1 patent)

Pyungsu Han (1 out of 1 patent)

4. Kwang-Chun Choi (1 out of 3 patents)

5. Tae Hwan Jin (1 out of 1 patent)

6. Jae Young Kim (1 out of 89 patents)

4 patents: Sort by Forward Citations

1. 11671292 - Signal processing circuit improving linearity of pulse amplitude modulated signal and communication device including the circuit (2023-06-06),

2. 11355085 - Repeater device for displayport side channel and operating method thereof (2022-06-07),

3. 10892727 - Adaptive equalization apparatus and method of using the same (2021-01-12),

4. 10812190 - Active optical cable (AOC) device and operation control method thereof (2020-10-20),

Company Overview

Qualitas Semiconductor Co., Ltd. is a leading provider of advanced semiconductor solutions for a wide range of applications including automotive, industrial, and consumer electronics. With a focus on quality and innovation, Qualitas offers a comprehensive portfolio of products and services to meet the evolving needs of their customers.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#768 in Seoul

#2,202 in South Korea

Seoul, South Korea

Qualitas Semiconductor Co., Ltd.

Forward Citations = 2

6 inventors:

Duho Kim (3 out of 4 patents)

Seonghyeon Han (1 out of 1 patent)

Pyungsu Han (1 out of 1 patent)

4. Kwang-Chun Choi (1 out of 3 patents)

5. Tae Hwan Jin (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Qualitas Semiconductor Co., Ltd.. Retrieved from https://idiyas.com/company/qualitas-semiconductor-company

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

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]