Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5129803 | Concrete leveling machine | Hajime Nomura, Yasuo Kajioka, Tomio Komine, Akira Okada, Toshio Kumagai +1 more | 1992-07-14 |
| 5012622 | Structural filler filled steel tube column | Takanori Sato, Yasushi Watanabe, Seiho Kitagawa, Hideyo Shiokawa, Yutaka Saito +7 more | 1991-05-07 |