Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9890883 | Pipe joint, packing ring, and method for mounting pipe joint | Yasuyuki Nagamori, Koji Taniwaki | 2018-02-13 |
| 6893001 | Gate valve apparatus | — | 2005-05-17 |
| 6161878 | External cover pipe for fluid transport pipe | Kazuhiro Atsumi, Kikuo Saito, Yasushi Shimonaka | 2000-12-19 |
| 6131957 | Fixing construction for pipe joint | Kikuo Saito | 2000-10-17 |