SO

Shigeru Okaya

TC Tsuchiya Mfg. Co.: 1 patents #7 of 40Top 20%
📍 Fukaya, JP: #166 of 288 inventorsTop 60%
Overall (All Time): #3,902,879 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4925561 Composite planar and triangularly pleated filter element Yoshio Ishii 1990-05-15