YK

Yukio Kageyama

HO Hoya: 1 patents #11 of 28Top 40%
Overall (1997): #54,431 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5635580 Process for the production of polyurethane lens Masahisa Kosaka 1997-06-03