SY

Shigeto Yamanaka

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
📍 Osaka, JP: #248 of 258 inventorsTop 100%
Overall (All Time): #1,587,230 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D541927 Ventilating louver Hitoshi Miura 2007-05-01
D457616 Ceiling recessed type ventilating fan Hitoshi Miura, Kenji Kojima 2002-05-21
D455487 Range hood Kenji Kojima, Hitoshi Miura 2002-04-09