Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7305852 | Method for manufacturing quartz glass ingot | Yoshihiko Gotoh, Shinichi Satoh | 2007-12-11 |
| 7064094 | Highly durable silica glass, process and apparatus for producing same, and member and apparatus provided with same | Yoshinori Harada, Shuzo Mizutani, Shinkichi Hashimoto, Naoki Miura, Katsufumi Takahashi +1 more | 2006-06-20 |