SH

Shigesou Hashida

NK Nippon Valqua Kogyo Kabushiki Kaisha: 1 patents #1 of 14Top 8%
Overall (All Time): #3,985,676 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4707314 Process for producing polytetrafluoroethylene porous films Nobuo Kawahigashi, Yasunobu Kojima 1987-11-17