Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6415497 | Method for manufacturing a tube-type spray formed product | Hyun Kwang SEOK, Jae Chul Lee, Byung Jo Kim, Ho-In Lee | 2002-07-09 |
| 6223415 | Process for manufacturing AL-Si alloys for use in vehicle propeller shafts | Byong Jo Kim, Bong Gil Kim, Hyun Kwang SEOK, Jae Chul Lee, Ho-In Lee | 2001-05-01 |