Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9216444 | Reactor cleaning apparatus | Toshihide Endoh, Toshiyuki Ishii, Masaaki Sakaguchi | 2015-12-22 |
| 9090962 | Silicon seed rod assembly of polycrystalline silicon, method of forming the same, polycrystalline silicon producing apparatus, and method of producing polycrystalline silicon | Naoki Hatakeyama | 2015-07-28 |
| 8840723 | Manufacturing apparatus of polycrystalline silicon | Toshihide Endoh, Toshiyuki Ishii, Masaaki Sakaguchi | 2014-09-23 |
| 8703248 | Polycrystalline silicon reactor | Toshihide Endoh, Toshiyuki Ishii, Masaaki Sakaguchi | 2014-04-22 |
| 8652256 | Manufacturing apparatus of polycrystalline silicon | Toshihide Endoh, Toshiyuki Ishii, Masaaki Sakaguchi | 2014-02-18 |
| 8623139 | Apparatus for producing polycrystalline silicon | Toshihide Endoh, Toshiyuki Ishii, Masaaki Sakaguchi | 2014-01-07 |
| 8329132 | Polycrystalline silicon manufacturing apparatus and manufacturing method | Toshihide Endoh, Toshiyuki Ishii, Masaaki Sakaguchi, Naoki Hatakeyama | 2012-12-11 |
| 8282902 | Apparatus for producing trichlorosilane, and method for producing trichlorosilane | — | 2012-10-09 |
| 8187382 | Polycrystalline silicon manufacturing apparatus | Toshihide Endoh, Toshiyuki Ishii, Masaaki Sakaguchi | 2012-05-29 |
| 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 |