KA

Koichi Akiyama

SE Seiko Epson: 2 patents #174 of 889Top 20%
Overall (2004): #54,228 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6796662 Illumination optical system and projector — 2004-09-28
6688756 Light source device, and illuminating optical system and projector including the same — 2004-02-10