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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sendai, JP ranks #6,415 worldwide for total patents filed in 2021, with 15 patents from 7 inventors. Leading employers of inventors based in Sendai, JP include Fujitsu Limited, Central Japan Railway Comany, Tohoku Techno Arch Co..

Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Hideo Sato Fujitsu Limited 5
2 Takafumi Fukushima Central Japan Railway Comany 3
2 Hidemi Kato Tohoku Techno Arch Co. 3
#4 Toru Abiko Sony 1
#4 Tetsuo Ito Hitachi 1
#4 Noritsugu Umehara National University Corporation Nagoya University 1
#4 Takeshi Seki NTT 1