Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655901 | Gate valve | — | 2023-05-23 |
| 10161555 | Coated expandable-contractible flexible pipe | Yasuyuki Nagamori | 2018-12-25 |
| 8444187 | Separation prevention device for pipe joint | — | 2013-05-21 |
| 8308202 | Separation prevention device for pipe joint | — | 2012-11-13 |
| 6883550 | Flexible pipe joint | Tsutomu Kiyozumi | 2005-04-26 |