Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ryuji Saito — 3 Patents in 2021

DADaicel: 1 patents #37 of 122Top 35%
JTJapan Tobacco: 1 patents #20 of 74Top 30%
NCNippon Seiki Co.: 1 patents #3 of 21Top 15%
Overall (2021): #64,960 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11172709 Method for producing vapor generation unit for non-combustible flavor inhaler Tomoichi Watanabe, Masayoshi Saito, Toshiki KUDO, Hidenori Muramoto, Masayuki Kimura 2021-11-16
11014868 Method for producing acetic acid Masahiko Shimizu, Hiroyuki Miura 2021-05-25
10936414 Display device for vehicle Shin Usuda 2021-03-02