TS

Toshifumi Sumiya

NC Nidek Co.: 25 patents #10 of 365Top 3%
RI Riken: 1 patents #679 of 1,824Top 40%
Overall (All Time): #147,176 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5470329 Operation apparatus for correcting ametropia with laser beam 1995-11-28
5445633 Ablation apparatus for ablating a cornea by laser beam Takua Nakamura 1995-08-29