Issued Patents All Time
Showing 25 most recent of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11266280 | Dust removing device and dust removing system | Yoshifumi Ohtsu, Toru Nakayama, Shigeyuki Eguchi, Koichi Konno, Junichi Inaba +3 more | 2022-03-08 |
| 7562594 | Electric actuator capable of converting rotational motion to a linear motion | Shigekazu Nagai, Toru Sugiyama, Masaki Miyahara | 2009-07-21 |
| 7520191 | Actuator | Shigekazu Nagai, Masaki Imamura | 2009-04-21 |
| 7510495 | Automatic speed reducing ratio-switching apparatus | Shigekazu Nagai, Ryuichi Masui, Masaki Imamura | 2009-03-31 |
| 7448134 | Method for producing actuator having guide-equipped frame | Shigekazu Nagai, Masaru Saitoh | 2008-11-11 |
| 7443121 | Actuator control system | Shigekazu Nagai, Toru Sugiyama, Ryuichi Masui, Takeshi Hirose, Masaki Miyahara | 2008-10-28 |
| 7220205 | Automatic speed reducing ratio-switching apparatus | Shigekazu Nagai, Ryuichi Masui, Masaki Imamura | 2007-05-22 |
| D543221 | Electric cylinder with guide | Shigekazu Nagai, Toru Sugiyama, Ryuichi Masui | 2007-05-22 |
| D542314 | Electric cylinder with guide | Shigekazu Nagai, Masaki Miyahara | 2007-05-08 |
| D540355 | Electric cylinder with guide | Shigekazu Nagai, Masaki Miyahara | 2007-04-10 |
| 7181988 | Actuator | Shigekazu Nagai, Masaru Saitoh | 2007-02-27 |
| 7159482 | Electric actuator | Shigekazu Nagai, Hiroshi Yumiba | 2007-01-09 |
| 7111835 | Clamp apparatus | Shigekazu Nagai, Motoshi Togasaki, Kazuyuki Oguma | 2006-09-26 |
| D525194 | Motor controller | Shigekazu Nagai, Takeshi Hirose, Ryoichi Suzuki | 2006-07-18 |
| 7066649 | Actuator | Shigekazu Nagai | 2006-06-27 |
| 7055320 | Actuator | Shigekazu Nagai, Masaru Saitoh | 2006-06-06 |
| 6988425 | Actuator | Shigekazu Nagai, Masaru Saitoh | 2006-01-24 |
| 6928922 | Lubricating structure for hydraulic driving apparatus | Shigekazu Nagai, Kotaro NAGAI | 2005-08-16 |
| 6848327 | Actuator | Shigekazu Nagai, Masaru Saitoh | 2005-02-01 |
| 6672765 | Direct drive bearing mechanism | Shigekazu Nagai, Koji Sugano, Masaru Saitoh | 2004-01-06 |
| 6668988 | Buffering mechanism | Shigekazu Nagai, Hiroshi Yumiba | 2003-12-30 |
| 6655225 | Motor-driven actuator | Shigekazu Nagai, Masaki Miyahara | 2003-12-02 |
| 6637314 | Actuator | Shigekazu Nagai, Masaki Miyahara | 2003-10-28 |
| 6619846 | Actuator | Shigekazu Nagai, Masaru Saitoh | 2003-09-16 |
| D473784 | Nut for a ball spline shaft | Shigekazu Nagai, Masaru Saitoh | 2003-04-29 |