
As the values of society become more diverse, the applications of steel will also become more complex and serve a broader range of purposes. In grappling with problems directly related to customers' needs, we are demonstrating research and development capability that's rich in originality. This is just one of the ways in which we're opening new paths for plate processing.

| 1599914 | Method of manufacturing steel pipe sheet pile using stability bar |
| 1552424 | Method of producing die cutting machine for thin plates |
| 1597569 | Mounting bracket on the supporting band of steel pipe stake |
| 1621071 | Rectification method and device for flat sheet chamber |
| 1710327 | Method for manufacturing the head of concrete pile |
| 1787042 | Propeller shape head of concrete pile |
| 1852805 | Method of manufacturing metal joint for concrete pile |
| 1940927 | PC metal joint of concrete pile |
| 2000777 | Groove cut gas cutting nozzle unit |
| 2038858 | Method and device for transporting raw materials of laser cutting facility (joint venture Tanaka Factory) |
| 2948671 | Method of delaying melting process (continuous casting method and device for steel ring product) |
| 2955034 | Fully automated continuous casting method (continuous casting method and device for steel ring product) |
| 2955035 | Method of wiper weld reinforcement (continuous casting method and device for steel ring product) |
| 2955044 | Structure of endless casting type (continuous casting method and device for steel ring product) |
| 2992364 | Structure of tap hole on melting furnace (continuous casting method and device for steel ring product) |
| 3476029 | Molding method and device of differential gear case |
| 3954563 | Automated warehouse management system |
| 955205 | Automated gas cutting device |
| 955206 | Automated gas cutting device |
| 1530415 | Gas cutting device for approximately rectangular shaped parts |
| 1557955 | Device for centering and sending segment’s skin plate |
| 1577080 | Cutting device for segment’s side plate materials |
| 1676917 | Stacking device |
| 1790110 | Head for concrete pile |
| 1895136 | Monolithic molding metal joint of PC concrete pile |
| 1895137 | Monolithic molding head of PC concrete pile |
| 1915731 | Cutting device (joint venture Tanaka Factory) |
| 1970596 | Hollow metal joint of PC concrete pile |
| 1984613 | Flexible coated arc welding rod |
| 2038713 | Metal part of the head of concrete pile |
| 2549195 | Shear cutting device for bar shaped parts (joint venture Nippon Institute of Technology) |
