Issued Patents 2011
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8058827 | Motor control apparatus having a function to calculate amount of cogging torque compensation | Tadashi Okita, Junichi Tezuka, Kazuyuki Sugiyama | 2011-11-15 |
| 8054015 | Motor drive apparatus equipped with dynamic braking circuit fault detection capability | Tadashi Okita, Hiroyuki Kawamura, Kenichi Takayama | 2011-11-08 |
| 8054012 | Motor driving apparatus | Shunsuke Matsubara, Yuuichi Yamada, Shigeki Hanyu, Masatomo Shirouzu, Koujirou Sakai | 2011-11-08 |
| 8040097 | Servo motor drive control device for calculating consumed electric energy and regenerated electric energy | Tadashi Okita, Hiroyuki Kawamura, Yuuya Ueno | 2011-10-18 |
| 8030878 | Motor driving device having power failure detection function | Tadashi Okita, Masakazu Niwa | 2011-10-04 |
| 8026689 | Control device for machine tool | Tadashi Okita, Junichi Tezuka | 2011-09-27 |
| 8018192 | 3D-trajectory display device for machine tool | Tadashi Okita, Junichi Tezuka, Kazuyuki Sugiyama | 2011-09-13 |
| 8018747 | PWM rectifier | Tadashi Okita, Masakazu Niwa, Kenta Yamamoto | 2011-09-13 |
| 8006538 | Control device for servo die cushion | Tadashi Okita, Hiroyuki Kawamura, Satoshi Ikai | 2011-08-30 |
| 7956568 | Servo motor controller | Tadashi Okita, Hiroyuki Kawamura, Yuuya Ueno | 2011-06-07 |
| 7932689 | Motor drive system for driving motor provided with a plurality of windings | Tadashi Okita, Yukio Toyozawa, Kazuomi Maeda | 2011-04-26 |
| 7923956 | Control device for servo die cushion | Tadashi Okita, Hiroyuki Kawamura, Satoshi Ikai | 2011-04-12 |
| 7915848 | Servo control apparatus that performs dual-position feedback control | Tadashi Okita, Yukio Toyozawa, Kazuomi Maeda | 2011-03-29 |
| 7868569 | Motor driving apparatus | Mamoru Yaeshima, Yuuichi Yamada, Masatomo Shirouzu, Koujirou Sakai | 2011-01-11 |
| 7863853 | Electric motor control device | Takahiro Akiyama, Masakazu Niwa, Tomohisa Tsutsumi | 2011-01-04 |