YI

Yutaka Ichihara

NI Nikon: 2 patents #17 of 172Top 10%
📍 Konan, JP: #2 of 18 inventorsTop 15%
Overall (1994): #15,315 of 165,921Top 10%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5307207 Illuminating optical apparatus — 1994-04-26
5289312 Catadioptric reduction projection optical system Sumio Hashimoto 1994-02-22