Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593449 | Method for producing polybenzimidazole sintered compact | Noriyuki Niwa | 2003-07-15 |
| 5770142 | Process for manufacturing sintered polybenzimidazole article | Minoru Kurisaki | 1998-06-23 |