Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392050 | Infrared transmissivity measurement method of quartz glass crucible | Ken Kitahara, Masanori Fukui, Tomokazu Katano, Eriko Kitahara | 2025-08-19 |
| 12371812 | Quartz glass crucible and manufacturing method thereof | Masami Ohara, Eriko Kitahara | 2025-07-29 |
| 12325278 | Vehicle air-conditioning device | Ryuuji TSUKUDA, Hiromichi Yanashima, Makoto AOSHIKA | 2025-06-10 |
| 12252804 | Quartz glass crucible | Kouta Hasebe, Takahiro Abe, Hideki Fujiwara | 2025-03-18 |