ST

Seizo Takamuku

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Kasai, JP: #3,639 of 5,842 inventorsTop 65%
Overall (All Time): #3,906,481 of 4,157,543Top 95%
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Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4938811 Steel wire for a spring and method for the production thereof Teruyuki Murai, Hideo Ogita, Norihisa Matsushima 1990-07-03