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Yukinobu Yumita

SS Sankyo Seiki Seisakusho: 2 patents #3 of 32Top 10%
TO Toto: 1 patents #10 of 35Top 30%
Overall (2003): #34,495 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6559553 Small-sized hydroelectric power generating apparatus Toshifumi Tsuruta 2003-05-06
6509652 Small-sized hydroelectric power generating apparatus — 2003-01-21