Inventor
SHIBATA NOBUHO
JP9 patents
Patents
9 patentsUS4914371AApr 3, 1990
Apparatus for controlling AC servo motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US4691653ASep 8, 1987
Sewing machine control apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US4692676ASep 8, 1987
Sewing machine driving apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations73
US4761599AAug 2, 1988
Motor controller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations71
US4682095AJul 21, 1987
Circuit arrangement for controlling starting current of a motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations71
US4095166AJun 13, 1978
Dc variable voltage device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations70
US4732099AMar 22, 1988
Motor controller for a sewing machine
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US4710688ADec 1, 1987
Variable speed control with selectively enabled counter circuits
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
US4676180AJun 30, 1987
Sewing machine with reference speed correction by dimensional ratio between motor- and armshaft-pulleys
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62