SK

Seiji Kumagai

Sumitomo Electric Industries: 3 patents #67 of 625Top 15%
Overall (2022): #63,107 of 548,613Top 15%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11486760 Receiving circuit and optical receiving circuit Yoshiyuki Sugimoto, Keiji Tanaka 2022-11-01
11405111 Receiving circuit and optical receiver Yoshiyuki Sugimoto 2022-08-02
11394352 Transimpedance amplifier circuit Yoshiyuki Sugimoto, Keiji Tanaka 2022-07-19