Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950308 | Hammer for breaking polycrystalline silicon | Munehiro Takasugi | 2011-05-31 |
| 7905963 | Apparatus and method for washing polycrystalline silicon | Kazuhiro Sakai, Yukiyasu Miyata | 2011-03-15 |