Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11433518 | Automatic screw tightening control method and device | — | 2022-09-06 |
| D937077 | Screw | — | 2021-11-30 |
| 11130217 | Automatic screw tightening control method and device | — | 2021-09-28 |
| D889951 | Screw | — | 2020-07-14 |
| 10471576 | Automatic screw tightening control method and device | — | 2019-11-12 |
| D817164 | Screw | — | 2018-05-08 |
| D812460 | Screw | — | 2018-03-13 |
| D811868 | Screw | — | 2018-03-06 |
| D723910 | Screw | — | 2015-03-10 |
| 8636079 | Method of operating a rotary tool | — | 2014-01-28 |
| 8083453 | Screw | — | 2011-12-27 |
| D649446 | Screw | — | 2011-11-29 |
| 8001874 | Combination of screw with stabilized strength and screwdriver bit, and header punch for manufacturing the screw with stabilized strength | — | 2011-08-23 |
| D640918 | Screw | — | 2011-07-05 |
| D559094 | Screw | — | 2008-01-08 |
| 7249544 | Screw holding type screwdriver bit and combination thereof with screws | — | 2007-07-31 |
| 7162939 | Tamperproof screw, combination with screwdriver bit, and header punch for manufacturing tamperproof screw | — | 2007-01-16 |
| 7102265 | Four-pole synchronous motor | Fumito Komatsu | 2006-09-05 |
| 7063171 | Motor-driven rotary tool with internal heating temperature detecting function | — | 2006-06-20 |
| 6923268 | Electric rotational tool driving switch system | — | 2005-08-02 |
| 6910540 | Torque control system for electrically driven rotating tools | — | 2005-06-28 |
| 6886433 | Combination of screw and screw driver bit and header punch for its manufacture | — | 2005-05-03 |
| 6792816 | Bit adapter for torque detector | — | 2004-09-21 |
| 6584876 | Screw, driver bit and header punch for manufacture of screw | — | 2003-07-01 |
| 6393953 | Combination of screw with driver bit or wrench | — | 2002-05-28 |