Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993454 | Surface modified quartz glass crucible, and its modification process | Toshio Tsujimoto | 2011-08-09 |
| 7955511 | Silica glass crucible | Toshio Tsujimoto | 2011-06-07 |
| 7935326 | Method for purification of silica particles, purifier, and purified silica particles | Minoru Kanda | 2011-05-03 |