IW

Isamu Wataya

AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
Overall (All Time): #4,072,070 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4337141 Cation exchange membrane Itaru Watanabe, Sakae Tsushima 1982-06-29