SN

Sadao Nagai

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #1,953,481 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9960814 Contactless information communication terminal unit, card-type device, portable telephone, and wearable device 2018-05-01
5976725 Fuel cell system, fuel feed system for fuel cell and portable electric appliance Takaharu Gamo, So Kuranaka, Yoshio Morita, Jo Suzuki, Mamoru Hamanishi +2 more 1999-11-02