RH

Ryosuke HAYAMI

OC Ohki Co.: 1 patents #1 of 5Top 20%
Overall (2020): #291,128 of 565,922Top 55%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

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