Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6218748 | Rotation detecting device for a brushless motor | Kiyohiko Ushiyama | 2001-04-17 |
| 5990589 | Brushless motor having core holder mounting to base board forming gap for wire insertion | — | 1999-11-23 |
| 5939849 | Motor speed controller | — | 1999-08-17 |
| 5764442 | Rotary head drum with shielding of heads and rotary transformers | Izumi Komatsu, Kiyohiko Ushiyama, Masataka Kurata | 1998-06-09 |
| 5655054 | Motor speed detecting device | — | 1997-08-05 |
| 5552682 | Device for detecting rotational position of brushless motor | — | 1996-09-03 |
| 5483162 | Magnetic detector for a frequency generator responsive to motor rotation | Hayato Naito | 1996-01-09 |