KW

Kaho WATANABE

SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
Overall (All Time): #1,693,605 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12216294 Optical element, projection optical apparatus, and projector — 2025-02-04
11703746 Projection optical apparatus, projector, and method for projection optical apparatus that suppresses degredation of a resin lens — 2023-07-18