Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900411 | Method of preparing a high-purity polycrystalline silicon using a microwave heating system in a fluidized bed reactor | Song Yongmok | 1990-02-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900411 | Method of preparing a high-purity polycrystalline silicon using a microwave heating system in a fluidized bed reactor | Song Yongmok | 1990-02-13 |