Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7886490 | Strand | Tomoya Maekawa, Yoshihiko Touda, Katsuhito Oshima | 2011-02-15 |
| 7861507 | High-strength prestressing strand, method for manufacturing the same, and concrete construction using the same | Tomoya Maekawa, Takashi Ichiki | 2011-01-04 |