Inventor

KURIYAMA SUMIO

JP2 patents

⚠️ This page may combine multiple inventors who share the name “KURIYAMA SUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

US4149533AApr 17, 1979

Device for iontophoretic application of fluoride on tooth

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD77 citations90

NIPPON SHIKEN KOGYO KK

1 patent

US4828420AMay 9, 1989

Interdental tooth cleaning appliance

NIPPON SHIKEN KOGYO KK64 citations87