YT

Yasuyuki Tejima

PE Pentax: 1 patents #70 of 165Top 45%
Overall (2005): #72,965 of 245,428Top 30%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6837580 Progressive power lens Yuko Senda 2005-01-04