TN

Takehiko Nakai

Canon: 3 patents #268 of 2,442Top 15%
Overall (2004): #19,695 of 270,089Top 8%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6829093 Diffraction optical element — 2004-12-07
6760159 Diffractive optical element and optical system having the same — 2004-07-06
6757104 Picture taking apparatus having diffractive optical element — 2004-06-29