KH

Kees Hoogendijk

EC Eko Instruments Co.: 1 patents #8 of 15Top 55%
Overall (All Time): #2,381,318 of 4,157,543Top 60%
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Patent #TitleCo-InventorsDate
12203806 Sunshine recorder and sunshine measurement method Toshikazu Hasegawa, Mario Po, Isamu Chiba 2025-01-21