Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kasugai, JP ranks #1,660 worldwide for total patents filed in 2021, with 81 patents from 59 inventors. Leading employers of inventors based in Kasugai, JP include Toyota, Brother Kogyo, Menicon Co..

Showing 1–50 of 59 inventors

Rank Inventor Primary Company Patents
1 Naoki Uenoyama Toyota 6
2 Tomokazu Masuda Toyota 4
3 Akinori Igarashi Brother Kogyo 3
#4 Osamu Mori Menicon Co. 2
#4 Yoshimichi Takahashi Kabushiki Kaisha Isowa 2
#4 Yoshiki Kodaka Sumitomo Riko Company Limited 2
#4 Tomohiko Koto Fujitsu Limited 2
#4 Masanobu OHMI Toyota 2
#4 Hiromichi Nampo Brother Kogyo 2
#4 Kazuro HIROISHI Fh Alliance 2
#4 Daisaku Honda Toyota 2
#4 Hiroto Yasue Ckd 2
#4 Toshifumi Nishijima Toyota 2
#4 Hideaki MIYAZONO Toyota 2
#4 Tatsuhito Aoyama Ckd 2
#16 Yoshihide Itou Denso 1
#16 Atsuhiko Okada Oki Electric Industry Co. 1
#16 Shigeki Kojima Toyota 1
#16 Eisuke UMEMURA Aisin Seiki Kabushiki Kaisha 1
#16 Sugio Miyazawa Ngk Insulators 1
#16 Satoru Tsuchiya Kabushiki Kaisha Isowa 1
#16 Osamu Uno Fujitsu Limited 1
#16 Tatsuya Ojio Menicon Co. 1
#16 Yasuhiro Komiya Olympus Optical Co. 1
#16 Shunji Tateishi Toyota 1
#16 Masashi Imai Brother Kogyo 1
#16 Mitsuhiro Kataoka Denso 1
#16 Takashi Tokuyama Hitachi 1
#16 Yoshiki Bito Aisin Seiki Kabushiki Kaisha 1
#16 Shingo Shimoda Toyota 1
#16 Ryoko Okamoto Brother Kogyo 1
#16 Junji Nakanishi Toyota 1
#16 Hirotaka Kojima Mitsubishi Electric 1
#16 Shimpei Yano Toyota 1
#16 Motoki HOTTA Ngk Spark Plug Co. 1
#16 Tadafumi Yoshida Toyota 1
#16 Akihito Uemura Toyota Industries 1
#16 Tsuyoshi Nagae Brother Kogyo 1
#16 Etsushi Taguchi Toyota 1
#16 Yoshihisa Ueda 1
#16 Hidemasa Komatsu Toyota 1
#16 Mai Minoura Ngk Insulators 1
#16 Tomohiro Iwatsuka Ngk Spark Plug Co. 1
#16 Masayuki Uetani Ngk Insulators 1
#16 Masamichi Une Toshiba Lifestyle Products & Services 1
#16 Keisuke Tashima Ngk Spark Plug Co. 1
#16 Keisuke YOKOTA Omron 1
#16 Yukinobu EZAKI Jtekt 1
#16 Ryotaro Yoshimura Ngk Insulators 1
#16 Kengo Asai Hitachi Media Electronics Co. 1