Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440559 | Granular polytetrafluoroethylene powders and process for producing the same | Michio Asano | 2002-08-27 |
| 6413451 | Method for spherizing granular polyetrafluoroethylene powder | Michio Asano | 2002-07-02 |