HN

Hisao Nakamaru

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
📍 Kamakura, JP: #428 of 1,212 inventorsTop 40%
Overall (All Time): #1,259,114 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D522965 Current collector 2006-06-13
D490773 Current collector for a battery 2004-06-01
6013389 Cylindrical storage battery Norio Suzuki, Toshihide Eguchi, Masato Onishi 2000-01-11
6010801 Cylindrical storage battery Norio Suzuki, Toshihide Eguchi, Masato Onishi 2000-01-04