RH

Ryosuke HAYAMI

OC Ohki Co.: 1 patents #8 of 18Top 45%
Overall (All Time): #2,773,015 of 4,157,543Top 70%
1
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Issued Patents All Time

Patent #TitleCo-InventorsDate
10548427 Sheet for extraction, extraction filter, and extraction bag Naoko Yamaguchi, Yoko Mitani 2020-02-04