Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9469560 | Method of manufacturing vitreous silica crucible, vitreous silica crucible | Toshiaki Sudo, Takuma Yoshioka, Koichi Suzuki | 2016-10-18 |
| 9347148 | Vitreous silica crucible with specific ratio of transparent layer and bubble-containing layer thicknesses | Toshiaki Sudo, Ken Kitahara, Koichi Suzuki | 2016-05-24 |
| 9284207 | Method of manufacturing granulated silica powder, method of manufacturing vitreous silica crucible | Toshiaki Sudo, Takuma Yoshioka, Koichi Suzuki | 2016-03-15 |