Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651273 | Lift bed | — | 2003-11-25 |
| 6550081 | Lift bed with belt drive | — | 2003-04-22 |
| 5837334 | Large sized quartz glass tube, large scale quartz glass preform, process for manufacturing the same and quartz glass optical fiber | Kiyoshi Yokokawa, Masaaki Aoyama | 1998-11-17 |
| 5785729 | Method for manufacturing large-sized quartz glass tube | Kiyoshi Yokokawa, Masaaki Aoyama | 1998-07-28 |
| 5429653 | Method of partially introverting a multiple layer tube to form an optical fiber preform | Helmut Leber, Hartwig Schaper, Norbert Treber, Klaus Reimann | 1995-07-04 |
| 4250604 | Process for the production of electric stacked capacitors | Ferdinand Utner, Harald Vetter | 1981-02-17 |
| 4213817 | Apparatus for the production of an electric stack capacitor of metallized synthetic material films | Friedrich J. Gaenge, Ferdinand Utner, Harald Vetter | 1980-07-22 |