Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Nagakute, JP ranks #1,229 worldwide for total patents filed all time, with 2,727 patents from 320 inventors. Leading employers of inventors based in Nagakute, JP include Seiko Epson, Toyota, Carl Manufacturing Co..

Showing 1–50 of 320 inventors

Rank Inventor Primary Company Patents
1 Takao Kobayashi Seiko Epson 144
2 Yoshihiro Uchida Toyota 74
2 Makoto Mori Carl Manufacturing Co. 74
#4 Hideki Sugiura Ricoh Company 68
#5 Shuji Tomura Toyota 61
#6 Tetsuya Taira Toyota 54
#7 Yukihiko Watanabe Denso 53
#8 Shigeru Hayashida Hitachi Chemical Company 46
#9 Motonari Ohbayashi Toyota 43
#10 Shinichi Ishida Toyoda Gosei Co. 42
#11 Junichi Mori Canon 40
#11 Toshiyuki Yano 40
#11 Sachiko Aoi Toyota 40
#11 Hiroyuki Matsubara Toyota 40
#11 Ryosuke Kobayashi Toyota 40
#16 Naoki Yanagizawa Toyota 38
#17 Hideo Nakai Toyota 37
#17 Takahide Sugiyama Toyota 37
#19 Shigeaki Goto Toyota 33
#19 Shingo Ohta Toyota 33
#21 Miki TSUJINO Honda Motor Co. 28
#22 Hiroaki Arakawa Konica Minolta 27
#22 Masayuki Naito Advics Co. 27
#24 Kenichi Takagi Toyota 26
#24 Motonari Obayashi Toyota 26
#26 Hideaki Oka Seiko Epson 25
#27 Satoru Sakuma Toyota 24
#27 Tamotsu Usami Unknown 24
#27 Takashi Matsuyama Horiba 24
#27 Masao Kinoshita Koito Manufacturing Co. 24
#27 Masahiro Kachi Toyota 24
#32 Shuhei Ogura Toyota 23
#33 Yoshikazu Hattori Toyota 21
#34 Kouki Moriya Toyota 20
#34 Takuya Morishita Toyota Central R&D Labs 20
#34 Kyosuke Tanemura Toyota 20
#34 Yohsuke Hashimoto Toyota 20
#38 Takashi Asada Seiko Epson 19
#38 Jumpei Watanabe Toyota 19
#38 Satoru Katoh Toyota 19
#38 Masayuki Nomura Aisin Seiki Kabushiki Kaisha 19
#42 Ryuichi Iwata Toyota Central R&D Labs 18
#43 Katsuhiro Matsuoka Toyota 17
#43 Shin-ichi Kojima Toyota 17
#43 Mamoru Mizutani Ntn 17
#43 Toshiyuki Nagafuchi Toyota 17
#47 Tomoyuki Tsuji Kanzaki Kokyukoki Mfg. Co. 16
#47 Kunihiro Sugihara Toyota 16
#47 Kazuya Kamikawa Brother Kogyo 16
#47 Hiromitsu Nitani Toyota 16