Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7271556 | Method and apparatus for estimating rotor position of switched reluctance motor, and method and apparatus for sensorless control of switched reluctance motor | Taro Kishibe, Subrata Saha, Hiroshi Murakami | 2007-09-18 |
| 6936990 | Method for controlling electric motor and apparatus for controlling the same | Ichiro Oyama, Tomokuni Iijima, Toru Tazawa, Kenichi Suzuki, Masaru Nishizono | 2005-08-30 |
| 6879129 | Brushless motor control method and controller | Toru Tazawa, Tomokuni Iijima, Hideo Matsushiro, Subrata Saha | 2005-04-12 |
| 6844693 | Position control apparatus for motor | Toru Tazawa, Tomokuni Iijima, Ichiro Oyama, Kenichi Suzuki, Yasuyuki Yokouchi | 2005-01-18 |
| 6583593 | Method and apparatus for position-sensorless motor control | Tomokuni Iijima, Toru Tazawa, Ichiro Oyama, Yukinori Maruyama | 2003-06-24 |
| 6512341 | Apparatus and method for driving a brushless motor | Hideo Matsushiro, Keizo Matsui, Toru Tazawa | 2003-01-28 |
| 6462491 | Position sensorless motor control apparatus | Tomoyuki Iijima, Toru Tazawa, Yukinori Maruyama | 2002-10-08 |
| 6121736 | Control apparatus for motor, and motor unit having the control apparatus | Tomokuni Iijima, Toru Tazawa, Yoshiaki Doyama, Yukinori Maruyama | 2000-09-19 |
| 6081087 | Motor control apparatus | Tomokuni Iijima, Yoshiaki Igarashi, Taro Kishibe, Yukinori Maruyama | 2000-06-27 |
| 5982133 | Brushless motor with rotor position detection compensation caused by induced voltage in rotor | Hiroshi Murakami, Yukio Honda, Naoyuki Kadoya, Masayuki Shinto, Hiroshi Ito +1 more | 1999-11-09 |
| 5945760 | Motor with built-in permanent magnets | Yukio Honda, Hiroshi Murakami, Hiroshi Itoh, Masayuki Shinto, Yoshinari Asano +1 more | 1999-08-31 |
| 5936378 | Motor controller | Tomokuni Iijima, Yoshiaki Igarashi, Satoshi Tamaki, Masaki Tagome, Mineaki Isoda | 1999-08-10 |
| 5923728 | Motor controller | Yasufumi Ikkai, Satoshi Tamaki, Masaki Tagome, Mineaki Isoda, Tomokuni Iijima | 1999-07-13 |
| 5729102 | Brushless motor | Makoto Gotou, Tomokuni Iijima | 1998-03-17 |
| 5652495 | Controller for permanent magnet synchronous motor | Tomokuni Iijima, Yoshiaki Igarashi, Satoshi Tamaki | 1997-07-29 |
| 5646850 | Auto-drive control apparatus for use in vehicle apparatus | Akira Ishida, Masahiro Takada, Osamu Ito | 1997-07-08 |
| 5400120 | Electrophotographic apparatus | Yoshikazu Kawabe, Masafumi Yoshizawa, Osamu Ito | 1995-03-21 |
| 5355065 | Adaptive control system | Osamu Ito | 1994-10-11 |
| 5094127 | Adaptive control system for vehicles | Akira Ishida, Masahiro Takada, Osamu Ito | 1992-03-10 |