Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12013065 | Connector | Shigeo Oi | 2024-06-18 |
| 11649912 | Pipe connector | Kenji Tozaki, Makoto Kishida, Noriaki Fujita | 2023-05-16 |
| 9447905 | Pipe connector | — | 2016-09-20 |
| 8925974 | Connectors incorporating retainers and stopper mechanisms | Kenji Tozaki, Morio Narita | 2015-01-06 |