AM

Akira Matui

NC Nippon Columbia Co.: 1 patents #15 of 66Top 25%
Overall (All Time): #4,036,500 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4455639 Moving coil type pickup cartridge Naohisa Aoki 1984-06-19