Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6369481 | Polyphase reluctance motor | — | 2002-04-09 |
| 5926000 | Apparatus for obtaining three-phase position detection signals by means of two coils | — | 1999-07-20 |
| 5828154 | Reluctance motor | — | 1998-10-27 |
| 5739613 | Flat three-phase reluctance type motor | — | 1998-04-14 |
| 5691638 | Apparatus for obtaining 3-phase position detecting signals by using a single position detecting element | — | 1997-11-25 |
| 5652492 | Current supply control circuit for a reluctance motor | — | 1997-07-29 |
| 5619113 | Reluctance-type motor | — | 1997-04-08 |
| 5498919 | Flat core-less direct-current motor | — | 1996-03-12 |
| 5485047 | Reluctance-type motor and a rotor for a reluctance-type high-speed motor | — | 1996-01-16 |
| 5432420 | Reluctance-type motor and a DC motor capable of performing regenerative braking | — | 1995-07-11 |
| 5406184 | High-speed plural-phase reluctance type motor including a plurality of semiconductor switching elements each repectively connected to one of a plurality of armature coils for quickly reducing or building up exciting current | — | 1995-04-11 |
| 5355069 | Reluctance type motor | — | 1994-10-11 |
| 5341076 | High-speed reluctance type motor | — | 1994-08-23 |
| 5319297 | Driving system for reluctance type motor | — | 1994-06-07 |
| 5313149 | Current supply control apparatus for inductance load | — | 1994-05-17 |
| 5289099 | Direct current motor | — | 1994-02-22 |
| 5278482 | Three-phase reluctance type motor | — | 1994-01-11 |
| 5274287 | High-speed motor | — | 1993-12-28 |
| 5274310 | High-speed DC motor with added charge voltage | — | 1993-12-28 |
| 5264772 | Numerically controlled load actuating apparatus | — | 1993-11-23 |
| 5260635 | Reluctance motor | — | 1993-11-09 |
| 5231342 | Stepping motor | — | 1993-07-27 |
| 5214365 | Three-phase reluctance type electric motor | — | 1993-05-25 |
| 5194795 | Drive system and a control unit therefor | Jiro Chiba | 1993-03-16 |
| 5168190 | Reluctance-type motor | — | 1992-12-01 |