Inventor

ATAKA YASUKAZU

JP4 patents

Patents

4 patents

US4905342AMar 6, 1990

Portable vacuum cleaner

SHARP KK144 citations95

US4704765ANov 10, 1987

Portable vacuum cleaner

SHARP KK69 citations93

US4426211AJan 17, 1984

Vacuum cleaner with dust disposal

SHARP KK100 citations93

US4939810AJul 10, 1990

Portable vacuum cleaner

SHARP KK16 citations79