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USPTO Patent Rankings Data through Dec 31, 2025
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Iseｓaki, JP All Time

2,225 patents  ·  415 inventors

Ranked #1,518 of 112,640 cities Top 2%

Iseｓaki, JP ranks #1,518 worldwide for total patents filed all time, with 2,225 patents from 415 inventors. Leading employers of inventors based in Iseｓaki, JP include Koito Manufacturing Co., Sanden, Unisia Jecs.

Showing 1–50 of 415 inventors

Rank Inventor Primary Company Patents
1 Toru Ito Koito Manufacturing Co. 131
2 Kiyoshi Terauchi Sanden 101
3 Naoki Tomisawa Unisia Jecs 77
#4 Yukihiko Taguchi Sanden 44
#5 Koji Nakajima Mitsubishi Electric 39
#6 Atsushi Murai Hitachi Automotive Systems 38
#7 Hirofumi Wada Komatsu 37
#7 Ryoichi Takahashi Kabushiki Kaisha Toshiba 37
#9 Masaharu Hiraga Sanden 33
#10 Kichio Nakajima Hitachi Construction Machinery Co. 32
#11 Kazuhiko Nakano Hitachi Automotive Systems 31
#12 Tomohiro Chiba Sanden 28
#12 Hideto Kobayashi Hosiden 28
#14 Mamoru Miyagawa Nissei Plastic Industrial Co. 26
#15 Susumu Kaneko Hitachi Automotive Systems 25
#16 Hisatomo Ohki Dott Limited 24
#17 Tetsuya Ishizeki Sanden Automotive Climate Systems 23
#18 Toshifumi Takahashi Nec 22
#18 Kenichi Fujiki Yamada Manufacturing Co. 22
#18 Hidefumi Saito Sanyo Electric Co. 22
#21 Junichi Miyajima Yamada Manufacturing Co. 21
#22 Yoshihiro Ochiai Sanden 20
#23 Masao Fujimoto Hitachi Automotive Systems 19
#24 Hideaki Satoh Fujitsu Limited 18
#24 Junji Miyata Kubota 18
#26 Yasuaki Motegi Japan Servo Co. 17
#26 Yoshikuni Kurashima Hitachi 17
#26 Yasuhiro Shimojyo Hosiden 17
#26 Yasuaki Kano Sony 17
#30 Keiichi Kai Unisia Jecs 16
#30 Toshiharu Shinmura Sanden 16
#30 Atsushi Mabe Sanden 16
#30 Kohei Takada Sony 16
#30 Haruaki Motoda Hitachi Automotive Systems 16
#35 Toshimi Isobe Sanden 15
#35 Hirotaka Oosawa Renesas Technology 15
#35 Akihiro Ohnishi Hitachi Ulsi Systems Co. 15
#38 Daisuke Yasukawa Hitachi Automotive Systems 14
#38 Megumi Shigeta Sanden 14
#40 Yoshiki Yuzuriha Japan Electronic Control Systems Co. 13
#40 Akira Kiyomura Hitachi Automotive Systems 13
#40 Hironori Ohhashi Hitachi Automotive Systems 13
#43 Masanobu Ohsaki Unisia Jecs 12
#43 Yuuichi Matsumoto Sanden 12
#43 Katsumasa Hagiwara Hitachi Automotive Systems 12
#46 Takao Kubota G-C Dental Industrial 11
#46 Masato Izutsu Yamada Manufacturing Co. 11
#46 Yasuhiro Kaneta onsemi 11
#46 Junpei Fujiwara Denka Company Limited 11
#50 Hisatsugu Tokunaga Denki Kagaku Kogyo 10

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