Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392050 | Infrared transmissivity measurement method of quartz glass crucible | Ken Kitahara, Masanori Fukui, Hiroshi Kishi, Tomokazu Katano | 2025-08-19 |
| 12371812 | Quartz glass crucible and manufacturing method thereof | Masami Ohara, Hiroshi Kishi | 2025-07-29 |