Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6911080 | Evaluation process of reactivity of silica glass with silicon melt and vibration at its surface, and silica glass crucible not causing the surface vibration | Hiroshi Kishi, Minoru Kanda | 2005-06-28 |
| 6853673 | Process and device for producing a quartz glass crucible by ring-like arc, and its quartz glass crucible | Masaru Satoh | 2005-02-08 |