KO

Keiichi Ohki

YC Yoshino Gypsum Co.: 1 patents #49 of 106Top 50%
Overall (All Time): #2,719,631 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10968624 Gypsum panel and method for producing gypsum panel Katsumi NIIMI, Itaru Yokoyama, Kazuyuki Umehara, Yuji Ataka, Shinji Yoshida +3 more 2021-04-06