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NC Nippon Soda Co.: 1 patents #348 of 648Top 55%
Overall (All Time): #3,849,801 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5110925 Pyridazinone derivatives Masatoshi Murakata, Nobuo Mochizuki, Michinori Takebayashi 1992-05-05