MK

Mitsuo Katanuma

NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #4,015,806 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4520235 Electronic key telephone system Kenichi Morikawa, Kazuyuki Nagatomi 1985-05-28