Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9429255 | Hollow seamless pipe for high-strength spring | Takuya Kochi, Hitoshi Hatano, Eiichi Tamura, Kotaro Toyotake, Akira Tange | 2016-08-30 |
| 9358681 | Work hanging apparatus and work hanging method for hanging work on hanger through movement of work under correction | Kotaro Nukui | 2016-06-07 |
| 9227300 | Hollow spring and method for manufacturing same | Akira Katsuyama | 2016-01-05 |