Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7981824 | Quartz glass blank and method for producing said blank | Wolfgang Englisch, Bodo Kuehn, Bruno Uebbing, Rainer Koeppler | 2011-07-19 |
| 5410428 | Optical member made of high-purity and transparent synthetic silica glass and method for production thereof or blank thereof | Shigeru Yamagata, Michiyou Kuriyama, Kyoichi Inaki | 1995-04-25 |
| 5325230 | Optical members and blanks of synthetic silica glass and method for their production | Shigeru Yamagata, Kyoichi Inaki, Toshikatu Matsuya, 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, Toshikatu Matsuya, Stephan Thomas, Heinz Fabian | 1992-02-04 |
| 4676814 | Method for the continuous building of a hollow cylindrical soot body having no internal support | Dieter Ross, Hans-Ulrich Bonewitz, Uwe Christiansen, Karl-Friedrich Klein, Albert Muhlich +4 more | 1987-06-30 |