Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520096 | Sound insulating floor structure | Kazuharu Horiuchi | 2009-04-21 |
| 6483926 | Floor impact noise suppressor in a multi-storied building | Yasuhiro Yamashita | 2002-11-19 |
| 5501754 | Method of assembling raised dry-floor | — | 1996-03-26 |