YS

Yanzhou Song

HC Hitachi Building Systems Co.: 1 patents #12 of 53Top 25%
Overall (All Time): #2,463,733 of 4,157,543Top 60%
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Patent #TitleCo-InventorsDate
12428265 Inspection device and inspection method for elevating machine Toshiaki Matsumoto, Masaru Kawasaki 2025-09-30