Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145497 | Inner ring | Toshihide Iida | 2018-12-04 |
| 10139028 | Pipe joint made of synthetic resin | Toshihide Iida | 2018-11-27 |
| 10132431 | Pipe connecting device | Toshihide Iida | 2018-11-20 |