Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2018, with 26,592 patents from 13,560 inventors. Leading employers of inventors based in Tokyo, JP include Asahi Kasei Medical Co., Mitsubishi Electric, Seikagaku Kogyo.

Showing 13,301–13,350 of 13,560 inventors

Rank Inventor Primary Company Patents
#5246 Shosaku Aramaki Asahi Kasei Medical Co. 1
#5246 Kazuyuki Katayama Mitsubishi Electric 1
#5246 Fusako TAKAYANAGI Mitsubishi Electric 1
#5246 Jun Aketagawa Seikagaku Kogyo 1
#5246 Yoichi Tosaka Canon 1
#5246 Yoichi Kawashima Akebono Brake Industry Co. 1
#5246 Ryuji Hotta Panasonic 1
#5246 Ryoji Ono Mitsubishi Electric 1
#5246 Jyunsuke Fujiwara Hitachi Construction Machinery Co. 1
#5246 Junya Kawano Nihon Kohden 1
#5246 Masamichi Abe Lac Co. 1
#5246 Atsushi Umaki Lac Co. 1
#5246 Hiroshi Kawaguchi Lac Co. 1
#5246 Yasuo Mutoh Sony 1
#5246 Masaki Yokosaka Tokyo Electric Power Company Holdings, Incorporated 1
#5246 Shuichi Umezawa Tokyo Electric Power Company Holdings, Incorporated 1
#5246 Yui Terashima Google 1
#5246 Katsuhiko Kawakami Softard Industries Co. 1
#5246 Norio Kotera Comcast 1
#5246 Kazumasa Hori Mitsubishi Materials 1
#5246 Yumi Osaku Zeon 1
#5246 Tomochika Hamamoto Mitsubishi Electric 1
#5246 Takaya Kubo Nippon Oil 1
#5246 Yoshiaki Terasaki Mitsubishi Electric 1
#5246 Hirofumi Ichihara Ebara 1
#5246 Ayami TANABE Nec 1
#5246 Hironori Bouno 1
#5246 Nobuteru Okada Mitsubishi Electric 1
#5246 Masanao Mitsuhata Jxtg Nippon Oil & Energy 1
#5246 Kazuhiro Yasuno Fujitsu Component Limited 1
#5246 Kiyoshi Igarashi Samsung 1
#5246 Kazuyuki Sunohara Kabushiki Kaisha Toshiba 1
#5246 Masaki AKAHANE Olympus 1
#5246 Kyousuke Miyashita Canon 1
#5246 Shogo Tsubouchi Gvbb Holdings S.A.R.L 1
#5246 Kozo Miyano Microsoft 1
#5246 Eiichi Machida Mitsuba 1
#5246 Hiroaki Matsuno Meidensha 1
#5246 Yuta TASHIRO Honda Motor Co. 1
#5246 Tomohiro Funakoshi Hitachi High-Technologies 1
#5246 Tsunehiro Sakai Hitachi High-Technologies 1
#5246 Kouji Idota Sankosha 1
#5246 Shinichiro Misu Kabushiki Kaisha Toshiba 1
#5246 Yoichi Motizuki Dai Nippon Printing Co. 1
#5246 Tooru AKATSU Hitachi 1
#5246 Kiwamu Tsukamoto Ebara 1
#5246 Hitoshi Kurahashi Mitsubishi Aircraft 1
#5246 Yuta Isaka Nichia 1
#5246 Yoshitaka Tsumoto Hitachi 1
#5246 Kenichi Kuboyama Nec Electronics 1