KY

Koutaro Yamanaka

SG Seiko Group: 1 patents #32 of 90Top 40%
Overall (All Time): #2,848,419 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10239722 Punching system Kenji Baba, Chiaki Osada 2019-03-26