Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11200579 | Apparatus for authentication and payment based on web, method for authentication and payment based on web, system for authentication and payment based on web and non-transitory computer readable storage medium having computer program recorded thereon | Se-Il Oh, Hyeong Moon Kang, Joo Won Lee | 2021-12-14 |
| 8198378 | Aromatic organosulfur functionalized 1,4-cis polybutadiene | Gwang Hoon Kwag, Seung Hwon Lee, Hyung Kyu Choi, Hyun Jin Kim | 2012-06-12 |
| 7247695 | High 1,4-cis polybutadiene-polyurethane copolymer and preparation method thereof | Gwang Hoon Kwag, Sam-Min Kim, Young-Chan Jang, Seung Hwon Lee, Seung Hwa Lee +1 more | 2007-07-24 |
| 6908975 | Method for preparing high 1,4-cis polybutadiene having controlled cold flow | Young-Chan Jang, Shin Han, Gwang Hoon Kwag, Seung Hwon Lee | 2005-06-21 |
| 6586542 | Process for controlling degree of branch of high 1,4-cis polybutadiene | Young-Chan Jang, Gwang Hoon Kwag, A-Ju Kim, Seung Hwon Lee | 2003-07-01 |
| 6562917 | Method for preparing polybutadiene having controlled molecular weight and high 1,4-cis content | Young-Chan Jang, Gwang Hoon Kwag, A-Ju Kim, Seung Hwon Lee | 2003-05-13 |
| 6319806 | Integrated circuit wiring and fabricating method thereof | — | 2001-11-20 |
| 6252021 | Process for producing polyisobutene using a catalytic system comprising transition metal-benzene derivative compound-methylaluminoxane | Kwanyoung Lee, Il Sang Maeng, Jong Mok Kim | 2001-06-26 |