SO

Shigeru Ootsuka

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
📍 Yonago, JP: #44 of 127 inventorsTop 35%
Overall (All Time): #1,656,920 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5264748 Axial-flow fan motor Naoki Nakada, Ryoji Saneshige 1993-11-23
5189327 Axial-flow fan motor with modular connector Naoki Nakada, Takehito Tsukada 1993-02-23
5145266 Bearing apparatus Ryoji Saneshige 1992-09-08