YK

Yasuo Kanazashi

HO Hoya: 3 patents #406 of 1,290Top 35%
Overall (All Time): #1,553,519 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8208207 Zoom lens system 2012-06-26
7852567 Zoom lens system 2010-12-14
7843651 Wide-angle lens system 2010-11-30