HS

Hiroyoshi Shiromoto

MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
📍 Iwakuni, JP: #263 of 421 inventorsTop 65%
Overall (All Time): #3,815,686 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5180636 Rope for traction Hirofumi Harazoe, Kazuo Yagi, Masahiro Kouya 1993-01-19