% Expired Patents = 100.0

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Chung Ha Park (2 out of 4 patents)

Jung Chul Wee (1 out of 1 patent)

Jae Heon Kim (1 out of 10 patents)

4. Chul Woo Kim (1 out of 45 patents)

2 patents: Sort by Forward Citations

1. 8836235 - Apparatus for automatically controlling the illumination of LED lighting (2014-09-16),

2. 7158485 - Method for joining node into subnet of power line communication network, electronic appliance connected to subnet, and communication module used in electronic appliance (2007-01-02),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#200 in Seongnam

#3,791 in South Korea

Seongnam, South Korea

Planet System Co., Ltd.

Forward Citations = 1

4 inventors:

Chung Ha Park (2 out of 4 patents)

Jung Chul Wee (1 out of 1 patent)

Jae Heon Kim (1 out of 10 patents)

4. Chul Woo Kim (1 out of 45 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Planet System Co., Ltd.. Retrieved from https://idiyas.com/company/planet-system-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]