YK

Yasuyuki Kiyama

SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
Overall (All Time): #1,712,250 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12298596 Optical system and projector Hitoshi Hirano, Koji SHIOKAWA, Yuta Ito 2025-05-13
12007678 Projection system and projector with first optical system and second optical system Hitoshi Hirano, Nobutaka Minefuji, Koji SHIOKAWA 2024-06-11