Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352293 | Tube apparatus for manufacturing semiconductor device | Kyu-Bok Ryu, Jung-Soo An, Jun-geen An | 1994-10-04 |
CY
Chang-jip Yang
Overall (1994): #148,302 of 165,921Top 90%
1
Patents 1994