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Le Ling

DC Dowa Mining Co.: 2 patents #92 of 324Top 30%
📍 Iwata, JP: #392 of 782 inventorsTop 55%
Overall (All Time): #2,183,939 of 4,157,543Top 55%
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Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6949150 Connector copper alloys and a process for producing the same Akira Sugawara, Kazuki Hatakeyama 2005-09-27
6627011 Process for producing connector copper alloys Akira Sugawara, Kazuki Hatakeyama 2003-09-30