Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9708730 | Quality-evaluated vitreous silica crucible | Toshiaki Sudo, Tadahiro Sato, Ken Kitahara | 2017-07-18 |
| 9653268 | Inspection method of vitreous silica crucible | Toshiaki Sudo, Tadahiro Sato, Ken Kitahara | 2017-05-16 |
| 9557276 | Inspection method of vitreous silica crucible | Toshiaki Sudo, Tadahiro Sato, Ken Kitahara | 2017-01-31 |