SO

Shunzo Oka

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #1,305,450 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4652947 Rotary encoder Futoshi Matsui 1987-03-24
4412113 Dust venting contact with a non-circular hole Itaru Mitsugi, Yoshinobu Nakagawa, Kenichi Shiho 1983-10-25
4344063 Click setting variable resistor Tadashi Nishimoto 1982-08-10
4253004 Mechanical remote control system 1981-02-24