Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398484 | Quartz glass crucible for growing a single crystal silicon ingot by a Czochralski (CZ) method | Yoshinori Ikeda | 2025-08-26 |
| 12392054 | CZ crucible with a gap between an inner quartz crucible and an outer graphite crucible | Yoshinori Ikeda | 2025-08-19 |