Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11003168 | Controller for gear cutting machine | Shoutarou Hashimoto | 2021-05-11 |
| 10166642 | Drive apparatus comprising mechanical vibration suppression function, and system comprising mechanical vibration suppression function | Naoto Sonoda | 2019-01-01 |
| 9720225 | Processing system with galvano scanner capable of high speed laser scanning | Naoto Sonoda | 2017-08-01 |
| 9709975 | Control system of servo motors improving processing precision of plurality of axes | Naoto Sonoda, Yasusuke Iwashita | 2017-07-18 |
| 9331618 | Magnetic pole position detector for synchronous motor | Naoto Sonoda | 2016-05-03 |
| 9008821 | Servo control system capable of improving processing accuracy | Tadashi Okita, Kazuomi Maeda, Naoto Sonoda | 2015-04-14 |
| 8903518 | Motor control apparatus equipped with dead-zone processing unit | Naoto Sonoda, Yasusuke Iwashita | 2014-12-02 |
| 8872463 | Electric motor controller comprising function for simultaneously estimating inertia, friction, and spring | Naoto Sonoda | 2014-10-28 |
| 8669727 | Detection device for detecting magnetic pole position of synchronous motor, and control apparatus equipped therewith | Tadashi Okita, Kenji Takahashi | 2014-03-11 |
| 8436565 | Motor controller for tandem control | Kazuomi Maeda, Yasusuke Iwashita | 2013-05-07 |
| 8305016 | Control device with learning function for electric motors | Tadashi Okita, Naoto Sonoda | 2012-11-06 |
| 8232758 | Controller of electric motor having function of estimating inertia and friction simultaneously | Tadashi Okita, Naoto Sonoda | 2012-07-31 |
| 8098038 | Servomotor control system enabling high-speed oscillating motion to be highly precise | Tadashi Okita, Naoto Sonoda | 2012-01-17 |
| 8067918 | Servomotor controller for controlling periodic reciprocation | Tadashi Okita, Naoto Sonoda | 2011-11-29 |
| 7932689 | Motor drive system for driving motor provided with a plurality of windings | Yasusuke Iwashita, Tadashi Okita, Kazuomi Maeda | 2011-04-26 |
| 7915848 | Servo control apparatus that performs dual-position feedback control | Yasusuke Iwashita, Tadashi Okita, Kazuomi Maeda | 2011-03-29 |
| 7902780 | Inertia estimating controller and control system | Tadashi Okita, Naoto Sonoda | 2011-03-08 |
| 7808199 | Control apparatus | Tadashi Okita, Naoto Sonoda | 2010-10-05 |
| 7656106 | Servo controller | Yasusuke Iwashita, Kazuomi Maeda | 2010-02-02 |
| 7498761 | Motor control method and motor control apparatus | Yasusuke Iwashita, Kenji Takahashi | 2009-03-03 |
| 7479750 | Controller for electric motor | Yasusuke Iwashita, Kazuomi Maeda | 2009-01-20 |
| 7293447 | Control device for die cushion mechanism | Yasusuke Iwashita, Tadashi Okita, Naoto Sonoda | 2007-11-13 |
| 7215089 | Threading/tapping control apparatus | Naoto Sonoda | 2007-05-08 |
| 7205743 | Controller for machine effecting end | Yasusuke Iwashita, Naoto Sonoda | 2007-04-17 |
| 7187148 | Controller | Tadashi Okita, Hiroyuki Kawamura, Satoshi Ikai | 2007-03-06 |