Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977221 | Powders of tetrafluoroethylene copolymer and process for preparing the same | Tatsushiro Yoshimura, Nobuyuki Tomihashi | 1990-12-11 |
| 4898779 | Powders of tetrafluoroethylene copolymer and process for preparing the same | Tatsushiro Yoshimura, Nobuyuki Tomihashi | 1990-02-06 |