Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12013134 | Data learning server and method for generating and using learning model thereof | Hyun-woo OCK, Min-kyong Kim, Tan Kim, Hyung-seon Song, Dong Jun Shin +2 more | 2024-06-18 |
| 11137161 | Data learning server and method for generating and using learning model thereof | Hyun-woo OCK, Min-kyong Kim, Tan Kim, Hyung-seon Song, Dong Jun Shin +2 more | 2021-10-05 |
| 6881865 | Method for preparing cyclohexyl phenyl ketone from 1,3-butadiene and acrylic acid | Jin-Eok Kim, Jeong-Im Won, Tae-Yi Kang | 2005-04-19 |
| 6552229 | Method for preparing 4-nitroso-substituted aromatic amine | Jin-Eok Kim, Jeong-Im Won | 2003-04-22 |
| 6245943 | Method of preparing p-phenylenediamine | Jin-Eok Kim, Jeong-Im Won | 2001-06-12 |
| 6198001 | Manufacturing method for 4-nitrosoaniline from urea and nitrobenzene | Jin-Eok Kim, Jeong-Im Won, Kum-Ui Hwang | 2001-03-06 |
| 6156932 | Preparation of 4,4'-dinitrodiphenylamine from urea and nitrobenzene | Jin-Eok Kim, Jeong-Im Won, Kum-Ui Hwang | 2000-12-05 |
| 6137010 | Method for preparing 4-nitrodiphenylamine and 4-nitrosodiphenylamine from carbanilide | Jin-Eok Kim, Jeong-Im Won, Kum-Ui Hwang | 2000-10-24 |
| 6130362 | Method for preparing ethylbenzene from 4-vinylcyclohexene | Jeong-Im Won, Kwang-Chun Park, Chang Min Kim | 2000-10-10 |
| 5770774 | Method for preparing 2-methyl-1,4-naphthoquinone (vitamin K.sub.3) | Jin-Eok Kim, Jeong-Im Won, Kum-Ui Hwang | 1998-06-23 |
| 5723675 | Method for preparing anthraquinones | Jin-Eok Kim, Jeong-Im Won, Kum-Ui Hwang | 1998-03-03 |