Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6334336 | Vacuum degassing apparatus for molten glass and method for building it | Yusuke Takei, Michito Sasaki, Masataka Matsuwaki, Shigekuni Inoue, Atsushi Tanigaki | 2002-01-01 |