KW

Ken Watanabe

YC Yoshino Gypsum Co.: 1 patents #4 of 13Top 35%
📍 Fukuoka, CA: #4 of 5 inventorsTop 80%
Overall (2017): #346,212 of 506,227Top 70%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9533916 Gypsum slurry, hardened gypsum, gypsum building material, gypsum board, method of producing gypsum slurry, method of producing hardened gypsum, method of producing gypsum building material, and method of producing gypsum board Yuji Ataka 2017-01-03