DS

Daijiro Suzuki

SI Sumitomo Rubber Industries: 7 patents #320 of 1,637Top 20%
Overall (All Time): #721,050 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10768545 Charging roller, and method of producing the same 2020-09-08
10678160 Developing roller 2020-06-09
10503094 Development roller 2019-12-10
10437172 Semiconductor roller 2019-10-08
10095157 Semiconductive roller 2018-10-09
9470998 Electroconductive roller, and image forming apparatus 2016-10-18
9366987 Developing roller, and image forming apparatus 2016-06-14