Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6608309 | Method for measuring concentration of trace amount of OH-groups contained in quartz glass | Toru Ikeda, Yasushi Fukui, Tomomitsu Yaginuma, Hidenori Ochiai, Ralph Sattmann | 2003-08-19 |
| 6516636 | Method for producing a tube made of quartz glass using low internal pressure and control of diameters | Frank Gänsicke, Oliver Ganz, Harald Hain, Thomas Bogdahn | 2003-02-11 |