Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8350713 | Numerical controller having a function for determining machine abnormality from signals obtained from a plurality of sensors | Yasusuke Iwashita, Shinichi Horikoshi, Akira Hirai, Hiroyasu Sato | 2013-01-08 |
| 8054012 | Motor driving apparatus | Yasusuke Iwashita, Yuuichi Yamada, Shigeki Hanyu, Masatomo Shirouzu, Koujirou Sakai | 2011-11-08 |
| 7398667 | Die cushion drive system | Shinichi Horikoshi, Takashi Okamoto, Yuuichi Yamada | 2008-07-15 |
| 7196488 | Motor driving apparatus | Shinichi Horikoshi, Hiroyasu Sato | 2007-03-27 |
| 7173395 | Inverter unit grounding method and inverter unit | Shinichi Kono, Shinichi Horikoshi | 2007-02-06 |
| 7126300 | Motor drive system | Mamoru Yaeshima | 2006-10-24 |
| 7098683 | Motor driving system having power semiconductor module life detection function | Shinichi Horikoshi, Hajime Makita | 2006-08-29 |
| 6919699 | Motor control apparatus | Shinichi Kono, Shinichi Horikoshi | 2005-07-19 |
| 6914790 | Motor driving controller | Naoyuki Suzuki, Kiichi Inaba | 2005-07-05 |
| 6891737 | Inverter device for AC motor control | Yuuichi Yamada, Shinichi Horikoshi, Kazuyuki Sugiyama | 2005-05-10 |
| 6566836 | Controller for controlling servo motor and spindle motor | Yasusuke Iwashita, Tadashi Okita | 2003-05-20 |
| 6442444 | Method and device for managing equipment connected to controller of production machine | Tokuhisa Matsukane | 2002-08-27 |
| 6313593 | Motor controller | Naoyuki Suzuki, Akira Hirai | 2001-11-06 |
| 6313974 | Resistor for a servo amplifier and servo amplifier provided thereof | Tatsuo Shinohara, Makoto Takeshita | 2001-11-06 |
| 6211636 | Pressing machine and motor torque control method in pressing machine | Yasusuke Iwashita, Hidekatsu Hamatani | 2001-04-03 |
| 6163130 | Injection molding machine | Noriaki Neko, Yasusuke Iwashita, Hiroyuki Kawamura | 2000-12-19 |
| 6160414 | Method for diagnosing abnormality of circuit member of inverter driving controller for driving and controlling motor | Yuichi Yamada | 2000-12-12 |
| 6147469 | Communication method for machine controller | Hiroyuki Uchida, Yuuichi Yamada | 2000-11-14 |
| 5602347 | Tool life control method based on disturbance load torque of motor | Yasusuke Iwashita, Tadashi Okita | 1997-02-11 |
| 5598077 | Control apparatus and a control method for a servomotor | Yasusuke Iwashita, Tadashi Okita | 1997-01-28 |
| 5572018 | Method and apparatus to detect absolute position using encoder having a counter clear signal | Mitsuyuki Taniguchi, Hiroshi Yamaguchi, Yukio Toyozawa | 1996-11-05 |
| 5517100 | Method of controlling a servo motor | Yasusuke Iwashita, Tadashi Okita | 1996-05-14 |
| 5436544 | Method of phase advancing compensation control for an AC synchronous motor | Tadashi Okita | 1995-07-25 |
| 5374882 | Method of controlling servomotor | Tadashi Okita, Yasusuke Iwashita | 1994-12-20 |
| 5254921 | Abnormality detecting method for a servo system | — | 1993-10-19 |