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USPTO Patent Rankings Data through Sept 30, 2025
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Shinya Yamagami — 1 Patent

MCMitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
Overall (All Time): #3,586,880 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6255400 Polymer and applications thereof Hiroshi Itoh, Susumu Oyama, Takashi Yodoya, Kenji Tsuboi, Tsugio Matsubara +4 more 2001-07-03