Inventor

NAKAI MITSUHISA

JP4 patents

Patents

4 patents

US5339013AAug 16, 1994

Method and apparatus for driving a brushless motor including varying the duty cycle in response to variations in the rotational speed

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations91

US6998861B2Feb 14, 2006

Wiring board and soldering method therefor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations77

US5311105AMay 10, 1994

Brushless motor operating method and apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations72

US5304903AApr 19, 1994

Brushless motor driving method and apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations61