Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731388 | Process for producing expandable styrene-based polymer beads | Hiroshi Matsui, Naoto Taga | 1988-03-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731388 | Process for producing expandable styrene-based polymer beads | Hiroshi Matsui, Naoto Taga | 1988-03-15 |