Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043660 | Method for manufacturing polycrystalline silicon | Toshihide Endoh, Toshiyuki Ishii, Masaaki Sakaguchi, Naoki Hatakeyama | 2011-10-25 |
| 8017099 | Method for producing polycrystalline silicon, and facility for producing polycrystalline silicon | — | 2011-09-13 |
| 7975709 | Reactor cleaning apparatus | Toshihide Endoh, Toshiyuki Ishii, Masaaki Sakaguchi | 2011-07-12 |
| 7875349 | Polymer inactivation method for polycrystalline silicon manufacturing device | Toshihide Endoh, Toshiyuki Ishii, Masaaki Sakaguchi | 2011-01-25 |