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AC Alps Alpine Co.: 1 patents #246 of 525Top 50%
Overall (All Time): #2,814,105 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10770644 Piezoelectric device Heishiro FUDO, Yasuji Hagiwara, Daisuke Takai, Shoji Sakurai, Masahiro Ishida 2020-09-08