Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D562674 | Clinch bolt | — | 2008-02-26 |
| D554487 | Drilling fastener | — | 2007-11-06 |
| D493097 | Screw head | — | 2004-07-20 |
| 6761268 | Screw-holding belt | — | 2004-07-13 |
| D453000 | Clinch nut | Tadashi Shinjo, Hiroshi Shinjo | 2002-01-22 |
| D452429 | Clinch nut | Tadashi Shinjo, Hiroshi Shinjo | 2001-12-25 |
| D452428 | Clinch nut | Tadashi Shinjo, Hiroshi Shinjo | 2001-12-25 |
| D452140 | Clinch nut | Tadashi Shinjo, Hiroshi Shinjo | 2001-12-18 |
| D451791 | Clinch nut | Tadashi Shinjo, Hiroshi Shinjo | 2001-12-11 |
| D451374 | Clinch nut | Tadashi Shinjo, Hiroshi Shinjo | 2001-12-04 |
| D451373 | Clinch nut | Tadashi Shinjo, Hiroshi Shinjo | 2001-12-04 |
| D451375 | Clinch nut | Tadashi Shinjo, Hiroshi Shinjo | 2001-12-04 |
| D451376 | Clinch nut | Tadashi Shinjo, Hiroshi Shinjo | 2001-12-04 |
| D450235 | Clinch nut | Tadashi Shinjo, Hiroshi Shinjo | 2001-11-13 |
| D450236 | Clinch nut | Tadashi Shinjo, Hiroshi Shinjo | 2001-11-13 |
| 6299398 | Blind rivet | — | 2001-10-09 |
| 6253649 | Screw with a recessed head and a driver bit engageable therewith | — | 2001-07-03 |
| 6073523 | Screw-driving apparatus | — | 2000-06-13 |
| 6041461 | Spike for baseball shoes | Masao Ogawa, Hiroshi Nakayama | 2000-03-28 |
| 5984096 | Belt for holding and carrying a row of self-drilling ream screws | — | 1999-11-16 |
| 5913421 | Screw-holding belt | — | 1999-06-22 |
| 5553983 | Recessed screw | — | 1996-09-10 |
| 5533377 | Method of making a mandrel for blind rivets | — | 1996-07-09 |
| 5509334 | Driver bit for a recessed screw | — | 1996-04-23 |
| 5332346 | Concrete anchor | — | 1994-07-26 |