Issued Patents All Time
Showing 1–2 of 2 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 |
| 5086352 | Optical members and blanks or synthetic silica glass and method for their production | Shigeru Yamagata, Kyoichi Inaki, Ralf Takke, Stephan Thomas, Heinz Fabian | 1992-02-04 |