HM

Hirotsugu Masubayashi

PC Polyplastics Co.: 1 patents #1 of 2Top 50%
Overall (1982): #20,617 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4311477 Bag for cultivating mushrooms Ryutaro Kitamura 1982-01-19