Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6880861 | Pipe joint | Akira Muroi, Hitoshi Muroi, Tateyuki Kuwata, Mitsuhiro Oyama | 2005-04-19 |
| 6382682 | Extendable pipe joint | — | 2002-05-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6880861 | Pipe joint | Akira Muroi, Hitoshi Muroi, Tateyuki Kuwata, Mitsuhiro Oyama | 2005-04-19 |
| 6382682 | Extendable pipe joint | — | 2002-05-07 |