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Yoshida; Kenji
Kitasaku-gun, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6124651 Method for driving stepping motor of multiphase hybrid type September 26, 2000
A multi-phase hybrid type stepping motor includes a rotor which is rotatably mounted on a rotary shaft. A rotor magnet is mounted to an axial center of the rotor and two rotor caps are mounted to both sides of the rotor magnet respectively. Each of said rotor caps has a plurality of
5726510 Method for driving stepping motor of multiphase hybrid type March 10, 1998
A hybrid type stepping motor in which torque variation is reduced to as low as possible, torque stiffness is improved, and resonant vibration during the rotating movement is minimized. Each fixed magnetic pole has at least two small teeth arranged at intervals of the same pitch as the te

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