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Etsurou Nakao

FF Firma Carl Freudenberg: 1 patents #255 of 512Top 50%
📍 Moriyama, JP: #1,620 of 2,577 inventorsTop 65%
Overall (All Time): #3,983,658 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4699858 Separator for an alkaline battery Hiroaki Yamazaki, Masaki Hirooka 1987-10-13