Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9828250 | Method of preventing polysilicon from being contaminated with metals | Reiji Yoshimura | 2017-11-28 |
| 8418946 | Crusher for crushing a silicon lump, and silicon lump crushing apparatus having a plurality of crushers | — | 2013-04-16 |