Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6202445 | Vacuum degassing apparatus for molten glass and method to rise vacuum degassing apparatus temperature | Mitsuo Sugimoto, Shigekuni Inoue, Hiroshi Kurata, Yasuharu Hirabara | 2001-03-20 |