Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979028 | Pipe joint | Akira Muroi, Mitsuhiro Oyama | 2005-12-27 |
| 6880861 | Pipe joint | Akira Muroi, Hitoshi Muroi, Mitsuhiro Oyama, Shinsaku Taneda | 2005-04-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979028 | Pipe joint | Akira Muroi, Mitsuhiro Oyama | 2005-12-27 |
| 6880861 | Pipe joint | Akira Muroi, Hitoshi Muroi, Mitsuhiro Oyama, Shinsaku Taneda | 2005-04-19 |