Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Nagoya, JP ranks #78 worldwide for total patents filed in 2021, with 1,586 patents from 748 inventors. Leading employers of inventors based in Nagoya, JP include Ngk Insulators, Toyota, Sharp Kabushiki Kaisha.

Showing 1–50 of 748 inventors

Rank Inventor Primary Company Patents
1 Yusuke Watanabe Ngk Insulators 24
2 Naoki Yamamuro Toyota 23
3 Masato Endo Toyota 20
#4 Akira Sakai Sharp Kabushiki Kaisha 17
#5 Kenichi Noda Ngk Insulators 14
#6 Makoto Ohmori Ngk Insulators 13
#6 Hiroaki Sugiyama Toyota 13
#8 Shintaro Sakaguchi Brother Kogyo 12
#8 Yuki Nose Toyota 12
#8 Junta Izumi Toyota 12
#11 Kosuke Nukui Brother Kogyo 11
#12 Makoto Akahane Toyota 10
#12 Shota Morikawa Brother Kogyo 10
#14 Yuki Matsushita Toyota 9
#14 Keita Shimizu Brother Kogyo 9
#14 Tomonori Urushihara Mazda Motor 9
#14 Masanao Idogawa Toyota 9
#14 Yoshimasa Kobayashi Ngk Insulators 9
#19 Hirotaka Aoki Brother Kogyo 8
#19 Shin Hasegawa Ricoh Company 8
#19 Makoto Miyahara Ngk Insulators 8
#19 Taku OKAMOTO Ngk Insulators 8
#19 Kazuaki Ooka Brother Kogyo 8
#24 Isao Kishi Brother Kogyo 7
#24 Yukio Miyairi Ngk Insulators 7
#24 Takashi Miyagi Nippon Steel 7
#24 Kuniaki Jinnai Toyota 7
#24 Harunari Shimamura Toyota 7
#29 Po Chun Chew Brother Kogyo 6
#29 Takafumi Hashimoto Toray Industries 6
#29 Takeshi Hagio Kabushiki Kaisha Toshiba 6
#29 Iwao Ohwada Ngk Insulators 6
#29 Akimitsu Sugiura Denso 6
#29 Shinya Yoshida Ngk Insulators 6
#29 Masashi Hotta Toyoda Gosei Co. 6
#29 Tetsuya Motohashi Toray Industries 6
#29 Junichi Yokoi Brother Kogyo 6
#29 Shuhei Fukue Brother Kogyo 6
#29 Tsuyoshi Okada Toyota 6
#29 Atusi Sakaida Denso 6
#29 Kohei Hisada Toyota 6
#29 Norio GOUKO Denso 6
#29 Tsuyoshi Arai Denso 6
#44 Rajdeep Gautam Sandisk Technologies 5
#44 Josuke YAMANE Toyota 5
#44 Takuya Miwa Semiconductor Energy Laboratory 5
#44 Yoshikazu Miyabe Aisan Kogyo Kabushiki Kaisha 5
#44 Koji Torita Toyota 5
#44 Junya Masui Toyota 5
#44 Shohei Yokoyama Ngk Insulators 5