Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398270 | Corrugated pipe joint | Kouki Fukui, Yasuhiro Kikumori | 2002-06-04 |
| 6347646 | Flexible hose | Kouki Fukui | 2002-02-19 |
| 6340181 | Bellmouth with joint block body with the bellmouth and hand hole with the bellmouth | — | 2002-01-22 |
| 6338507 | Synthetic resin pipe with joint | — | 2002-01-15 |
| 6237969 | Connector for connecting spirally corrugated pipe to wall | — | 2001-05-29 |
| 6007110 | Bell mouth for annularly corrugated pipe | — | 1999-12-28 |
| 5950369 | Connecting tubular body for handhole or manhole, block body for the tubular body, and handhole or handhole structure | Yasuhiro Kikumori | 1999-09-14 |
| 5832960 | Wire harness protector | Yasuhiro Kikumori | 1998-11-10 |