Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950308 | Hammer for breaking polycrystalline silicon | Tetsuya Atsumi | 2011-05-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950308 | Hammer for breaking polycrystalline silicon | Tetsuya Atsumi | 2011-05-31 |