Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602034 | Anchor for boards and method for manufacturing the same | Takashi Kiyama | 2003-08-05 |
| 6565447 | Method for manufacturing nails | — | 2003-05-20 |
| 6332300 | Double wall coupling tool | — | 2001-12-25 |
| 6213373 | Plate-shaped fastener and driving jig for the same | — | 2001-04-10 |
| 6196778 | Screw fixing plug and combination of the same with a screw | — | 2001-03-06 |
| 6196506 | Plate-shaped fastener | — | 2001-03-06 |
| 6196780 | Threaded anchor | Kazuhiro Ukai | 2001-03-06 |
| 6119431 | Method of moving heavy materials | — | 2000-09-19 |
| D415774 | Drill for concrete | — | 1999-10-26 |
| 5749688 | Screw fixing plug | — | 1998-05-12 |
| 5700119 | Nail with spreadable legs | — | 1997-12-23 |
| 5501557 | Screw fastener | — | 1996-03-26 |
| 5468107 | Split nail | — | 1995-11-21 |
| 5120172 | Tapping screw | — | 1992-06-09 |
| 5096061 | Thickened tape for holding nails having improved nail-supporting lower wall | — | 1992-03-17 |