HS

Hashida Shigesou

NK Nippon Valqua Kogyo Kabushiki Kaisha: 1 patents #1 of 14Top 8%
Overall (All Time): #3,986,535 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4710331 Process for the production of polytetrafluoroethylene porous membranes Kawahigashi Nobuo, Kojima Yasunobu 1987-12-01