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Michio Butsugan

HC Hitachi Chemical Company: 1 patents #55 of 182Top 35%
SC Showa Denko Materials Co.: 1 patents #1 of 37Top 3%
Overall (2020): #141,422 of 565,922Top 25%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10875008 Separation material Masaru Watanabe, Tomoko Higashiuchi, Fumihiko KAWAUCHI, Yasushi Gotoh, Ryoichi Nakanishi 2020-12-29
10646851 Separation material Masaru Watanabe, Tomoko Higashiuchi, Fumihiko KAWAUCHI, Yasushi Gotoh 2020-05-12