Issued Patents All Time
Showing 76–100 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018747 | PWM rectifier | Yasusuke Iwashita, Masakazu Niwa, Kenta Yamamoto | 2011-09-13 |
| 8018192 | 3D-trajectory display device for machine tool | Yasusuke Iwashita, Junichi Tezuka, Kazuyuki Sugiyama | 2011-09-13 |
| 8006538 | Control device for servo die cushion | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2011-08-30 |
| 8010302 | Tool path display apparatus for machine tool | Hiroyuki Kawamura, Junichi Tezuka, Kazuyuki Sugiyama | 2011-08-30 |
| 7956568 | Servo motor controller | Yasusuke Iwashita, Hiroyuki Kawamura, Yuuya Ueno | 2011-06-07 |
| 7932689 | Motor drive system for driving motor provided with a plurality of windings | Yasusuke Iwashita, Yukio Toyozawa, Kazuomi Maeda | 2011-04-26 |
| 7923956 | Control device for servo die cushion | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2011-04-12 |
| 7915848 | Servo control apparatus that performs dual-position feedback control | Yasusuke Iwashita, Yukio Toyozawa, Kazuomi Maeda | 2011-03-29 |
| 7902780 | Inertia estimating controller and control system | Yukio Toyozawa, Naoto Sonoda | 2011-03-08 |
| 7847502 | Device and method for controlling machine tool | Yasusuke Iwashita, Hiroyuki Kawamura, Chengbin Ma | 2010-12-07 |
| 7845205 | Die cushion controller | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2010-12-07 |
| 7843152 | Motor control apparatus | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2010-11-30 |
| 7808199 | Control apparatus | Yukio Toyozawa, Naoto Sonoda | 2010-10-05 |
| 7791305 | Control apparatus of servo motor | Yasusuke Iwashita, Hiroyuki Kawamura | 2010-09-07 |
| 7757526 | Method for changing force control gain and die cushion control apparatus | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2010-07-20 |
| 7685860 | Control device for press machine | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2010-03-30 |
| 7657356 | Controller | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2010-02-02 |
| 7631528 | Die cushion mechanism, and apparatus and method for controlling the same | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2009-12-15 |
| 7619384 | Controller for die cushion mechanism | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2009-11-17 |
| 7531981 | Controller for servomotor | Yasusuke Iwashita, Hiroyuki Kawamura, Kenichi Takayama | 2009-05-12 |
| 7506530 | Die cushion mechanism, and device and method for controlling the same | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2009-03-24 |
| 7461530 | Die cushion mechanism, and apparatus and method for controlling the same | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2008-12-09 |
| 7421878 | Control device for servo die cushion | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2008-09-09 |
| 7401492 | Control device for a die cushion mechanism | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2008-07-22 |
| 7392684 | Control system for servo die cushion | Yasusuke Iwashita, Hiroyuki Kawamura, Satoshi Ikai | 2008-07-01 |