Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5906712 | Production of fiber reinforced composite | Keiichi Asami, Hideki Takahashi, Ritsuko Shidei, Azusa Yamagata, Yoshiaki Echigo | 1999-05-25 |
| 5721031 | Fiber-reinforced porous plastic tube | Yoshiaki Echigo, Yoshiaki Iwaya | 1998-02-24 |