Inventor

SOEJIMA MASAKUNI

JP3 patents

Patents

3 patents

US7174593B2Feb 13, 2007

Vacuum cleaner having an ion generator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations81

US7131164B2Nov 7, 2006

Vacuum cleaner and suction nozzle employed therein

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations81

US7257852B2Aug 21, 2007

Suction unit for use in an electric vacuum cleaner and electric vacuum cleaner employing same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations72