Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946095 | Filter for molten aluminum alloy or molten aluminum | Masakatsu Yokota, Kenji Osumi | 2005-09-20 |
| 6881295 | Air-tight vessel equipped with gas feeder uniformly supplying gaseous component around plural wafers | — | 2005-04-19 |