Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922814 | Production process for high purity polycrystal silicon and production apparatus for the same | Shuichi Honda, Minoru Yasueda, Masatsugu Yamaguchi, Toru Tanaka | 2011-04-12 |