Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11491549 | Multi-layer coated cutting material, method for manufacturing the same, and cutting tool insert for mechanical machining including the same | SOO HYUN CHA, SANG YOUNG JO | 2022-11-08 |
| 10415872 | Inner cabinet for regrigerator and refrigerator including the same | Jung Hye Kang, Boo Keun Yoon, Shang Hun Lee, Young Deog Koh, Jin O Kwak +3 more | 2019-09-17 |
| 7820308 | Surface-coated hard material for cutting tools or wear-resistant tools | Chang Kyu HWANG, Yong Hee Choi, Yeo Kyun Yoon | 2010-10-26 |
| 7691496 | Cutting tool having high toughness and abrasion resistance | Chang Kyu HWANG, Yeo Kyun Yoon, Yong Hee Choi, Hyung Keun Joo, Wook Jung Sung | 2010-04-06 |
| 6812919 | Display device with power interruption delay function | — | 2004-11-02 |
| 6009529 | Method of realizing DPMS function of display device using USB | — | 1999-12-28 |