KH

Ken Hayase

YC Yoshino Gypsum Co.: 1 patents #1 of 14Top 8%
Overall (2021): #377,706 of 548,734Top 70%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10974993 Calcined gypsum treatment device and calcined gypsum treatment method — 2021-04-13