OS

Osamu Sumiyoshi

SC System Homes Company: 1 patents #2 of 3Top 70%
Overall (All Time): #3,966,030 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4634952 Inverter Hozo Yoshino, Mitsuo Koshi 1987-01-06