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Toshifumi Tsutsumi

Sumitomo Electric Industries: 1 patents #1,404 of 3,885Top 40%
Overall (2003): #99,452 of 273,478Top 40%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6577031 DC fan motor and method of manufacturing same Hideaki Morooka, Tomohiro MATSUYAMA, Yuichi Noguchi 2003-06-10