FK

Fumihiko KAWAUCHI

HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
SC Showa Denko Materials Co.: 1 patents #135 of 270Top 50%
Overall (All Time): #1,907,049 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

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