| 12428526 |
Polyimide film for graphite sheet, and graphite sheet manufactured therefrom |
Hyong Sop JO |
2025-09-30 |
| 12396326 |
Display apparatus |
Seong-Pil Cho, Dong-Yup Kim, Kyung-Mo Son, Sang-Soon Noh, Jun-Seuk Lee +13 more |
2025-08-19 |
| 12325809 |
Composition for surface treating of steel sheet, steel sheet using same, and manufacturing method of same |
Chang-Hoon Choi, Chan-Seok Bang, Jae-Duck Ko |
2025-06-10 |
| 12194491 |
Ternary hot-dip galvannealed steel sheet surface treatment solution composition for providing excellent blackening resistance and alkali resistance, ternary hot-dip galvannealed steel sheet surface-treated using same, and manufacturing method therefor |
Soo-Hyoun Cho |
2025-01-14 |
| 12054643 |
Composition for steel sheet surface coating and steel sheet surface-coated with same |
Chang-Hoon Choi, Dong-Yun Kim, Hee-Jea Eun, Jae-Duck Ko |
2024-08-06 |
| 12030082 |
Bilayer composition for surface treatment of steel plate and surface-treated steel plate using same |
Chang-Hoon Choi, Hee-Jea Eun |
2024-07-09 |
| 11945922 |
Thick polyimide film having improved surface quality and method of manufacturing same |
Hyong Sop JO |
2024-04-02 |
| 11939489 |
Solution composition for surface treatment of steel sheet and surface-treated steel sheet using same |
Chang-Hoon Choi, Dong-Yun Kim, Min-Ho JO, Jae-Duck Ko, Jong-Hwa Kim |
2024-03-26 |
| 11765935 |
Display apparatus |
Seong-Pil Cho, Dong-Yup Kim, Kyung-Mo Son, Sang-Soon Noh, Jun-Seuk Lee +13 more |
2023-09-19 |
| 11634818 |
Solution composition containing trivalent chromium for surface treatment of steel sheet, galvanized steel sheet surface—treated with same, and method for manufacturing galvanized |
Soo-Hyoun Cho |
2023-04-25 |
| 10822705 |
Surface-treatment solution composition containing trivalent chromium and inorganic compound, zinc-based plated steel sheet surface-treated using same, and method for producing same |
Soo-Hyoun Cho, Chang-Hoon Choi |
2020-11-03 |
| 9297057 |
Cold rolled steel sheet having aging resistance and superior formability, and process for producing the same |
Jeong-Bong Yoon, Ki-Bong Kang, Noi-Ha Cho, Ki-Duck Park |
2016-03-29 |
| 7922968 |
Corrosion resistance improved steel sheet for automotive muffler and method of producing the steel sheet |
Jai-Ik Kim, Seung Hee Lee, Jeong-Bong Yoon, Hee-Man Son |
2011-04-12 |
