Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5254190 | Tendons for prestressed concrete structures and method of using such tendons | Makoto Kurauchi, Kiyoshi Hayasaki, Toshikazu Minami | 1993-10-19 |
| 5149385 | Tendons for prestressed concrete structures and method of using such tendons | Makoto Kurauchi, Kiyoshi Hayasaki, Toshikazu Minami | 1992-09-22 |
| 4929650 | Coating material for tendon for prestressed concrete | Makoto Kurauchi, Michio Hashimoto, Kiyoshi Hayasaki, Toshikazu Minami, Yohei Suzuki | 1990-05-29 |