Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012622 | Structural filler filled steel tube column | Takanori Sato, Yasushi Watanabe, Seiho Kitagawa, Tomoo Shokawa, Yutaka Saito +7 more | 1991-05-07 |
| 4687517 | Concrete composition having heat resisting property and dimensional stability | Minoru Sawaide, Noboru Ishikawa | 1987-08-18 |