Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9944050 | Floor panel | — | 2018-04-17 |
| 9339109 | Lightweight decorative panel having opening and production method therefor | — | 2016-05-17 |
| 9016323 | Pipeline regeneration pipe | — | 2015-04-28 |
| 8985157 | Method for pulling in restoration pipe and restored pipeline | — | 2015-03-24 |
| 8646489 | Connection structure of wave-shaped synthetic resin pipes, wave-shaped synthetic resin pipes used for the connection structure, and manufacturing method thereof | — | 2014-02-11 |
| 8323786 | Lightweight cement panel | — | 2012-12-04 |
| 7870876 | Hose | — | 2011-01-18 |
| 7717648 | Method for repairing drainage pipe | — | 2010-05-18 |
| D574472 | Pipe connector | — | 2008-08-05 |
| D571440 | Joint for a pipe connector | — | 2008-06-17 |
| D566063 | Synthetic resin pipe | — | 2008-04-08 |
| D566064 | Synthetic resin pipe | — | 2008-04-08 |
| 7156128 | Synthetic resin pipe | — | 2007-01-02 |