Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5917261 | Motive power generating apparatus utilizing energy of permanent magnet | — | 1999-06-29 |
| 5804898 | Electric motor utilizing magnetic energy of permanent magnet | — | 1998-09-08 |
| 5719458 | Power generator with improved rotor | — | 1998-02-17 |
| 5717316 | Motive power generating apparatus utilizing energy of permanent magnet | — | 1998-02-10 |
| 5677583 | Electric motor having rotor with offset against stator | — | 1997-10-14 |
| 5436518 | Motive power generating device | — | 1995-07-25 |
| 5309041 | Nutating step motor | Tsutomu Asai | 1994-05-03 |
| 5030866 | Electric motor | — | 1991-07-09 |