Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9216444 | Reactor cleaning apparatus | Masayuki Tebakari, Toshiyuki Ishii, Masaaki Sakaguchi | 2015-12-22 |
| 8840723 | Manufacturing apparatus of polycrystalline silicon | Masayuki Tebakari, Toshiyuki Ishii, Masaaki Sakaguchi | 2014-09-23 |
| 8790429 | Reactor for polycrystalline silicon and polycrystalline silicon production method | Toshiyuki Ishii, Masaaki Sakaguchi, Naoki Hatakeyama | 2014-07-29 |
| 8703248 | Polycrystalline silicon reactor | Masayuki Tebakari, Toshiyuki Ishii, Masaaki Sakaguchi | 2014-04-22 |
| 8652256 | Manufacturing apparatus of polycrystalline silicon | Masayuki Tebakari, Toshiyuki Ishii, Masaaki Sakaguchi | 2014-02-18 |
| 8623139 | Apparatus for producing polycrystalline silicon | Masayuki Tebakari, Toshiyuki Ishii, Masaaki Sakaguchi | 2014-01-07 |
| 8329132 | Polycrystalline silicon manufacturing apparatus and manufacturing method | Masayuki Tebakari, Toshiyuki Ishii, Masaaki Sakaguchi, Naoki Hatakeyama | 2012-12-11 |
| 8231724 | Reactor for polycrystalline silicon and polycrystalline silicon production method | Toshiyuki Ishii, Masaaki Sakaguchi, Naoki Hatakeyama | 2012-07-31 |
| 8187382 | Polycrystalline silicon manufacturing apparatus | Masayuki Tebakari, Toshiyuki Ishii, Masaaki Sakaguchi | 2012-05-29 |
| 8043660 | Method for manufacturing polycrystalline silicon | Masayuki Tebakari, Toshiyuki Ishii, Masaaki Sakaguchi, Naoki Hatakeyama | 2011-10-25 |
| 7975709 | Reactor cleaning apparatus | Masayuki Tebakari, Toshiyuki Ishii, Masaaki Sakaguchi | 2011-07-12 |
| 7875349 | Polymer inactivation method for polycrystalline silicon manufacturing device | Masayuki Tebakari, Toshiyuki Ishii, Masaaki Sakaguchi | 2011-01-25 |