Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683645 | Process of shaping a vessel having a multilayered wall structure | Masahiro Akamatsu, Tohru Yukumoto | 1997-11-04 |
| 5352536 | Multilayered structural body | Masahiro Akamatsu, Tohru Yukumoto | 1994-10-04 |