KO

Keiji Ogino

Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
Overall (2002): #175,260 of 266,432Top 70%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6500584 Manganese dry batteries Ryohei Ashihara, Tetsuya Kobayashi, Michiko Inui 2002-12-31