YU

Youichi Ushiyama

SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #3,673,870 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5708049 Colored contact lens and method for producing the same Hiroshi Katagiri, Tadao Kojima 1998-01-13