Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605343 | Composite material and synthetic sleeper using the composite material | Koji Motoi, Ryuichi Matsuo, Takeshi Muranaka | 2003-08-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605343 | Composite material and synthetic sleeper using the composite material | Koji Motoi, Ryuichi Matsuo, Takeshi Muranaka | 2003-08-12 |