YY

Yasuhiro Yokoyama

MC Menicon Co.: 1 patents #2 of 17Top 15%
SC Shin-Etsu Chemical Co.: 1 patents #92 of 241Top 40%
Overall (1994): #49,400 of 165,921Top 30%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5346946 Ocular lens material Noriko Iwata, Eri Ito, Ichiro Ando, Shoji Ichinohe, Toshio Yamazaki 1994-09-13