Issued Patents All Time
Showing 76–100 of 123 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7183739 | Synchronous control device | Hiroyuki Kawamura, Zhiwei Tang | 2007-02-27 |
| 7170256 | Motor control device | Tadashi Okita, Hiroshi Kougami | 2007-01-30 |
| 7085620 | Servo controller | Kazuomi Maeda | 2006-08-01 |
| 7084596 | Servomotor driving controller | Hiroyuki Kawamura, Tang Zhiwei | 2006-08-01 |
| 7049775 | Servo motor control unit for press-forming machine | Tadashi Okita, Hiroyuki Kawamura | 2006-05-23 |
| 7030585 | Controller | Hiroyuki Kawamura | 2006-04-18 |
| 6879130 | Controller for induction motor | Takahiro Akiyama, Junichi Tezuka | 2005-04-12 |
| 6809493 | Servo controller | Kazuomi Maeda | 2004-10-26 |
| 6806674 | Control device for driving and controlling a servomotor | Tadashi Okita | 2004-10-19 |
| 6741057 | Servo controller for preventing downward displacement in gravitating axis | Tadashi Okita, Satoshi Ikai | 2004-05-25 |
| 6566836 | Controller for controlling servo motor and spindle motor | Shunsuke Matsubara, Tadashi Okita | 2003-05-20 |
| 6563283 | Motor control device | Hiroyuki Kawamura | 2003-05-13 |
| 6310457 | Servomotor controller | Tadashi Okita | 2001-10-30 |
| 6211636 | Pressing machine and motor torque control method in pressing machine | Shunsuke Matsubara, Hidekatsu Hamatani | 2001-04-03 |
| 6177774 | Motor controller based on PWM system | Tokuhisa Matsukane | 2001-01-23 |
| 6163130 | Injection molding machine | Noriaki Neko, Shunsuke Matsubara, Hiroyuki Kawamura | 2000-12-19 |
| 6122998 | Force control method for a bar feeder of a lathe | — | 2000-09-26 |
| 6057661 | Method of detecting an abnormal load on a servomotor and controlling the same in such an abnormal condition | — | 2000-05-02 |
| 6020706 | Method of and apparatus for controlling a servomotor | Hiroyuki Kawamura | 2000-02-01 |
| 5986422 | Control mode changing over method for servo control system | Tadashi Okita | 1999-11-16 |
| 5955863 | Electric current control method for a servomotor | Hiroyuki Kawamura | 1999-09-21 |
| 5936369 | Method of estimating disturbance load on servomotor | Hiroyuki Kawamura | 1999-08-10 |
| 5877603 | Electric current control method for a servomotor | Hiroyuki Uchida, Yuichi Endo, Takashi Okamoto | 1999-03-02 |
| 5734242 | Force control method based on disturbance load estimation | — | 1998-03-31 |
| 5726545 | Current controlling method for servo motor | Hiroyuki Kawamura | 1998-03-10 |