Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849242 | Porous silica granule, method for producing the same, and method for producing synthetic quartz glass powder using the porous silica granule | Rainer Koeppler, Fritz-Ulrich Kreis, Klaus Arnold, Hiroshi Matsui, Tsukasa Sakaguchi | 2005-02-01 |