AS

Akihisa Sugiyama

MC Menicon Co.: 1 patents #1 of 4Top 25%
Overall (1989): #134,369 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4814402 Contact lens material Tatsutoshi Nakashima, Yoshitaka Taniyama 1989-03-21