Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Daisuke Tanida — 1 Patent in 2018

DADaicel: 1 patents #19 of 94Top 25%
TCTokyo Ohka Kogyo Co.: 1 patents #36 of 111Top 35%
Himeji, JP: #26 of 120 inventorsTop 25%
Overall (2018): #440,101 of 503,207Top 90%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9902675 Vinyl-group-containing fluorene compound Dai Shiota, Kunihiro Noda, Hiroki Chisaka, Yasuyuki Akai, Ichiro Takase +2 more 2018-02-27