Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025605 | Meshwork reinforced and pre-stressed concrete member, method and apparatus for making same | Kenzo Sekijima | 1991-06-25 |
| 5012622 | Structural filler filled steel tube column | Takanori Sato, Yasushi Watanabe, Hideyo Shiokawa, Tomoo Shokawa, Yutaka Saito +7 more | 1991-05-07 |