Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257605 | Classification device and classification system for sorting and classifying LED lighting according to form of housing through vision recognition from LED-mixed waste lighting having different forms of housing | In Tae Kim, Jong Sik An, Ho Sang Yoon | 2025-03-25 |
| 10697041 | Manufacturing method of crude copper from low-grade copper sludge | Young-Myoung Seo, Kang-Myung Yi, Ki Woong Lee, Suk-Hyun Byun | 2020-06-30 |