Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325230 | Optical members and blanks of synthetic silica glass and method for their production | Shigeru Yamagata, Kyoichi Inaki, Ralf Takke, Stephan Thomas, Heinz Fabian | 1994-06-28 |