Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743142 | Precoated corrosion-resistant steel pipe piles for marine use, and structure thereof | Mansei Tanaka, Minoru Nakamura, Koichi Sato | 1988-05-10 |
| 4659255 | Marine structure of precoated corrosion resistant steel pipe piles | Mansei Tanaka, Minoru Nakamura, Koichi Sato | 1987-04-21 |