Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10400353 | Method for controlling resistivity and N-type silicon single crystal | Ryoji Hoshi, Hiroyuki Kamada | 2019-09-03 |
| 10253425 | Single-crystal pulling apparatus and single-crystal pulling method | — | 2019-04-09 |