Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772619 | Measuring apparatus and method for correcting errors in a machine | Tetsuya Matsushita, Shigeharu Watanabe, Masao Nakagawa | 2004-08-10 |
| 6285104 | Motor with reduced torque ripple | — | 2001-09-04 |
| 6252325 | Switched reluctance motor | — | 2001-06-26 |
| 6211593 | Synchronous motor with permanent magnet provided on magnetic pole end | — | 2001-04-03 |
| 6208108 | Controller for reluctance type synchronous motor | Akiyoshi Satake | 2001-03-27 |
| 6203254 | Parallel mechanism machining device | Tetsuya Matsushita, Masao Nakagawa, Shigeharu Watanabe | 2001-03-20 |
| 6194804 | Switched reluctance motor having substantially continuous torque and reduced torque ripple | — | 2001-02-27 |
| 6144132 | Permanent magnet motor | — | 2000-11-07 |
| 6121706 | Reluctance motor | Takanori Yokochi | 2000-09-19 |
| 6081083 | Switched reluctance motor | — | 2000-06-27 |
| 6025659 | Synchronous motor with movable part having permanent magnets | — | 2000-02-15 |
| 6013962 | Permanent magnet motor with specific magnets and magnetic circuit arrangement | — | 2000-01-11 |
| 5936372 | Control device for a reluctance type synchronous motor | Akiyoshi Satake | 1999-08-10 |
| 5903080 | Reluctance type synchronous motor | Akiyoshi Satake | 1999-05-11 |
| 5896019 | Motor control device | Takanori Yokochi | 1999-04-20 |
| 5820272 | Bearing structure for a rotating shaft | Yoshiki Ohtake | 1998-10-13 |
| 5801478 | Reluctance type synchronous motor | — | 1998-09-01 |
| 5793139 | Electric motor having stator's salient poles of the stator slightly shifted from salient poles of the rotor | — | 1998-08-11 |
| 5737069 | Position detecting apparatus of optical interferometry | Atsushi Ieki | 1998-04-07 |
| 5659233 | Controller for controlling motor transferring power between a plurality of power sources | — | 1997-08-19 |
| 5469215 | Method and apparatus for controlling an electric motor with compensation or torque ripple | — | 1995-11-21 |
| 5392217 | Apparatus and method for controlling acceleration and deceleration for numerically controlled machine | Hisashi Kondo | 1995-02-21 |
| 5359872 | Method and apparatus for sheet-metal processing | — | 1994-11-01 |
| 5260769 | Position detector | Atsushi Ieki, Keiji Matsui | 1993-11-09 |
| 5256951 | Numerical control apparatus having function for changing control parameters | Hisashi Kondo, Takeshi Hayakawa | 1993-10-26 |