Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5190697 | Process of making a PTC composition by grafting method using two different crystalline polymers and carbon particles | Akira Ueno, Toshiaki Abe, Shoichi Sugaya | 1993-03-02 |