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Nobuaki Nagatami

TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
Overall (All Time): #3,879,607 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5027588 Apparatus for substituting inert gases Masaomi Ikeda, Yoshimi Terajima, Hiroshi Akitoshi 1991-07-02