WU

Wataru Umeji

TO Topcon: 1 patents #425 of 684Top 65%
Overall (All Time): #2,850,506 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10251543 Optometry apparatus and method for subjective measurement using optometric chart Robert D. Foster, Mutsutaka Ishihara 2019-04-09