SM

Sadaka Mitsuo

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
📍 Kasuga, JP: #26 of 124 inventorsTop 25%
Overall (All Time): #864,350 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8306198 Private branch exchange 2012-11-06
7471778 Private branch exchange 2008-12-30
7113583 Telephone and private branch exchange 2006-09-26
6952467 Private branch exchange 2005-10-04
5757902 Telephone exchange for wire telephone and radio telephone 1998-05-26
5655012 Private branch exchange apparatus Kousuke Tsuchida 1997-08-05