YU

Yoichi Umegaki

NK Nippon Kogaku K.K.: 1 patents #221 of 382Top 60%
Overall (All Time): #3,958,940 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4770513 Projection lens Daijiro Fujie 1988-09-13