Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444267 | Method for manufacturing gravure-transfer-coated steel plate | Sungsu Jeon, Sungkwon Ahn, Chulho Kwon | 2002-09-03 |
| 6428672 | Apparatus and method for manufacturing Ni—Fe alloy thin foil | Taihong Yim, Tak Won KANG, Heungyeol Lee, Joongbae Lee, Sanghyun Jeon +1 more | 2002-08-06 |