HY

Hirobumi Yanagi

SC Seikosha Co.: 1 patents #184 of 312Top 60%
Overall (All Time): #4,115,494 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4211947 Thickness-shear mode quartz oscillator with an added non-circular mass Hitoshi Ikeno, Tetsuro Konno, Mitsuyuki Sugita 1980-07-08