Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9637411 | Vitreous silica crucible and method of manufacturing the same | Toshiaki Sudo, Taira Sato, Shuichi Ikehata, Manabu Shonai, Takuji Nishi +1 more | 2017-05-02 |
| 9534318 | Vitreous silica crucible and method of manufacturing the same | Toshiaki Sudo, Taira Sato, Shuichi Ikehata, Manabu Shonai, Takuji Nishi +1 more | 2017-01-03 |