HO

Hidehisa Okamura

HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
📍 Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #3,616,168 of 4,157,543Top 90%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6067429 Friction material and braking device and image forming apparatus using the friction material Tomio Sugaya 2000-05-23