KS

Koichi Santo

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,590,304 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7310084 Multi-way operation switch, input device and input unit Hitokazu Shitanaka 2007-12-18
7129432 Lighted switch unit Takeshi Fujii 2006-10-31
6670750 Luminous EL sheet having a domed diaphragm and a switch employing the EL sheet Tetsuro Hanahara, Shinji Okuma, Takayuki Ishikawa 2003-12-30