Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252803 | N-type silicon single crystal production method, n-type silicon single crystal ingot, silicon wafer, and epitaxial silicon wafer | Koichi Maegawa, Yasuhito Narushima, Yasufumi KAWAKAMI, Ayumi Kihara | 2025-03-18 |