Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038973 | High purity silicon production system and production method | Nobuaki Ito, Shinji Tokumaru, Masaki Okajima | 2011-10-18 |
| 8034151 | Method for removing boron from silicon | Jiro Kondo | 2011-10-11 |