SM

Shigeo Masada

Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
📍 Itami, JP: #686 of 1,436 inventorsTop 50%
Overall (All Time): #1,664,472 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5012074 Apparatus for securing an IC-card issuing station 1991-04-30
4963723 Automatic toll collector for toll roads 1990-10-16
4928001 Secret information preserving system for a multiple issuer IC card 1990-05-22