Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ozu, JP ranks #690 worldwide for total patents filed all time, with 4,860 patents from 816 inventors. Leading employers of inventors based in Ozu, JP include Toshiba Lighting & Technology, Ngk Insulators, Fanuc.

Showing 1–50 of 816 inventors

Rank Inventor Primary Company Patents
1 Makoto Sakai Toshiba Lighting & Technology 107
2 Takashi Yoshino Ngk Insulators 94
3 Takao Sasaki Fanuc 84
#4 Tsuyoshi Ohashi Brother Kogyo 77
#5 Masahiro Hashimoto Hoya 76
#6 Masato Honma Toray Industries 64
#7 Masaki Takemoto Sumitomo Electric Industries 57
#8 Yoshito Fujii Sharp Kabushiki Kaisha 54
#8 Kazuomi Ryoshi Sumitomo Metal Mining Co. 54
#10 Masahiro Johno Mitsubishi Gas Chemical Company 53
#10 Tomohiro Matsuo Sony 53
#10 Toshiki Matsumoto Denso 53
#13 Wataru Nakamura Sharp Kabushiki Kaisha 51
#14 Seiji Kikuchi Panasonic 50
#14 Masayuki Ishizuka Sumitomo Heavy Industries 50
#16 Yuichi Yamashita Hitachi 49
#17 Kazuhiro Yamazaki Koito Manufacturing Co. 48
#17 Noriyuki Shinohara Panasonic 48
#19 Yukio Noguchi Fuji Photo Optical Co. 47
#20 Hiroyuki Toya Sumitomo Metal Mining Co. 46
#21 Tamotsu Senda Sumitomo Electric Industries 40
#22 Hiroto Sasaki Bridgestone Sports Co. 38
#23 Kazuhisa Ishibashi Toyo Seikan Co. 36
#24 Takamasa Ueda Omron 32
#24 Wataru Yoshimasa Unicharm 32
#26 Tatsuya Miyatake Sumitomo Chemical 31
#27 Noriyuki Hirano Toray Industries 30
#27 Toshiaki Iio Panasonic 30
#27 Mitsuaki Kabasawa Sumitomo Heavy Industries Ion Technology Co. 30
#30 Takashi Fujioka Toray Industries 29
#31 Satoshi Nozaki Unicharm 28
#31 Hajime Abe Hitachi 28
#31 Isao Kaneko Sankyo Holdings Co. 28
#31 Shigetada Ninomiya Sumitomo Electric Industries 28
#35 Mitsukuni Tsukihara Sen Corporation, An Shi And Axcelis 26
#35 Masataka Nadaoka Panasonic 26
#35 Masato Seki Tokai 26
#35 Teppei Shinno Panasonic 26
#39 Youichi Ogura Sumitomo Electric Industries 22
#39 Daisuke Kosugi Toshiba Lighting & Technology 22
#39 Atsuki Tsuchiya Toray Industries 22
#42 Takuro Shimada Daio Paper 21
#42 Fumio Toda Daicel Chemical Industries 21
#42 Hiroshi Saiki Panasonic 21
#45 Tomoko Ichikawa Toray Industries 20
#45 Kouji Yukikado Sumitomo Electric Industries 20
#45 Hiroko Oshita Sumitomo Metal Mining Co. 20
#48 Naoto Hosotani Sumitomo Electric Industries 19
#49 Naokichi Imai Toray Industries 18
#49 Tsutomu Miyatake Sumitomo Heavy Industries 18