Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10024784 | Vitreous silica crucible and evaluation method of the same | Toshiaki Sudo, Tadahiro Sato, Ken Kitahara | 2018-07-17 |
| 9964478 | Destructive inspection method and quality determination method for vitreous silica crucible | Ken Kitahara, Tadahiro Sato, Toshiaki Sudo, Takashi Watanabe | 2018-05-08 |
| 9932692 | Vitreous silica crucible | Toshiaki Sudo, Tadahiro Sato, Ken Kitahara | 2018-04-03 |
| 9863059 | Method for pulling silicon single crystal | Toshiaki Sudo, Tadahiro Sato, Ken Kitahara | 2018-01-09 |
| 9863061 | Vitreous silica crucible and method for manufacturing the same | Toshiaki Sudo, Tadahiro Sato, Ken Kitahara | 2018-01-09 |