Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11377755 | 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, Fukuo Ogawa | 2022-07-05 |