Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4281045 | Multi-layer extruded article | Takehiko Sumi, Yoshio Koike, Kazuya Matsumoto | 1981-07-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4281045 | Multi-layer extruded article | Takehiko Sumi, Yoshio Koike, Kazuya Matsumoto | 1981-07-28 |