Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164133 | Process for the production of molded article having positive temperature coefficient characteristics | Takafumi Ishida | 1992-11-17 |
| 4732701 | Polymer composition having positive temperature coefficient characteristics | Motoi Nishii, Hideto Fujii | 1988-03-22 |