KM

Kazue Matsumoto

AU Audio-Technica: 1 patents #116 of 180Top 65%
Overall (All Time): #2,845,949 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10225409 Conference system Kazuyuki Sakurai, Yasuhito Kikuhara 2019-03-05