Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Seki, JP ranks #7,473 worldwide for total patents filed in 2016, with 11 patents from 9 inventors. Leading employers of inventors based in Seki, JP include Kai R&D Center Co., Gerber Sakai Co., Ajinomoto Co..

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Katsumi Hasegawa Kai R&D Center Co. 3
2 Kimiyuki Sakai Gerber Sakai Co. 1
2 Daisuke Haba Kai R&D Center Co. 1
2 Junichiro Kimura 1
2 Hiroyuki Nakasuka Kai R&D Center Co. 1
2 Nobuyuki Kaga 1
2 Rikiya Ishida Ajinomoto Co. 1
2 Taisuke Shimono 1
2 Kyoichi Fujimoto Tdk 1