Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4464209 | Clad steel pipe excellent in corrosion resistance and low-temperature toughness and method for manufacturing same | Tadaaki Taira, Yasuo Kobayashi, Kazuyoshi Ume | 1984-08-07 |
| 4373365 | Up-set shrinker for producing thick wall steel pipe | Tadaaki Taira, Toshio Ishihara | 1983-02-15 |