Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6143676 | Synthetic silica glass used with uv-rays and method producing the same | Norio Ohashi, Shigeru Yamagata, Shigemasa Sunada | 2000-11-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6143676 | Synthetic silica glass used with uv-rays and method producing the same | Norio Ohashi, Shigeru Yamagata, Shigemasa Sunada | 2000-11-07 |