KN

Kenji Nakagaqa

HO Hoya: 1 patents #757 of 1,290Top 60%
Overall (All Time): #4,057,309 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4403043 Glass for photoetching mask Isao Masuda 1983-09-06