Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725789 | Apparatus for manufacturing compound powder, method of manufacturing iron-boron compound powder by using the apparatus, boron alloy powder mixture, method of manufacturing the boron alloy powder mixture, combined powder structure, method of manufacturing the combined powder structure, steel pipe, and method of manufacturing the steel pipe | Kee-Seok Nam, Jung-Dae Kwon, Jong Joo Rha, Hee-Chan Ahn | 2017-08-08 |