Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Seto, JP ranks #2,080 worldwide for total patents filed all time, with 1,534 patents from 30 inventors. Leading employers of inventors based in Seto, JP include Brother Kogyo, Oki Electric Industry Co., Toyota Central R&D Labs.

Showing 1–30 of 30 inventors

Rank Inventor Primary Company Patents
1 Shougo Sato Brother Kogyo 763
2 Yoshinori Osakabe Brother Kogyo 246
3 Akira Sago Brother Kogyo 111
#4 Toshio Kato Oki Electric Industry Co. 40
#5 Akihiko Suda Toyota Central R&D Labs 34
#6 Osamu Katoh Asahi Intecc Co. 32
#7 Makoto Nishigishi Asahi Intecc Co. 29
#8 Nobuyasu Haga Toyota 26
#9 Daiichi Shiraishi Toyota 24
#10 Junichi Matsubara Shin-Etsu Chemical Co. 23
#10 Hisayoshi Fujikawa Toyota Central R&D Labs 23
#10 Kenichi Maruyama Elmo Co. 23
#13 Takayuki Hori Asahi Intecc Co. 18
#14 Tomoyoshi Motohiro Toyota Central R&D Labs 17
#14 Keiichi Matsunaga Brother Kogyo 17
#16 Hisaaki Takao Toyota Central R&D Labs 16
#17 Daisuke Asai Brother Kogyo 12
#18 Noboru Matsui Ngk Spark Plug Co. 11
#18 Kazuya Asaoka Toyota 11
#20 Nobuhiro Ishida Toyota 10
#21 Yoshio Sugiyama Toyota 8
#22 Toshio Kandori Toyota Central R&D Labs 7
#23 Makoto Isomura Toyota 6
#23 Kunihiro Uotani Ricoh Company 6
#25 Hirozumi Azuma Toyota Central R&D Labs 5
#26 Muneharu Matsunami Mitsubishi Electric 4
#26 Yoshihisa Chujo Fujitsu Limited 4
#26 Seiji Onoda Dainippon Ink And Chemicals 4
#29 Humihiro Imamura Kabushiki Kaisha Toshiba 2
#29 Takeshi Tsunekawa Kabushiki Kaisha Toshiba 2