MH

Masaru Hirasawa

OC Oji Paper Co.: 1 patents #173 of 423Top 45%
Overall (All Time): #3,881,412 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5034095 Apparatus and process for the delignification of cellulose pulp Junichiro Kido, Hajime Yamanaka, Keiichi Tsuchiya 1991-07-23