Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9273743 | Spring assembly and manufacturing method therefor | Yasutaka Uematsu, Toshie Fueki | 2016-03-01 |
| 8740199 | Spring assembly and manufacturing method therefor | Yasutaka Uematsu, Toshie Fueki | 2014-06-03 |