Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2020, with 29,522 patents from 14,393 inventors. Leading employers of inventors based in Tokyo, JP include Jfe Mineral Company, Renesas Electronics, Japan Tobacco.

Showing 14,301–14,350 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Yuko ECHIZENYA Jfe Mineral Company 1
#5815 Hiroaki Sekikawa Renesas Electronics 1
#5815 Shinya Osuga Japan Tobacco 1
#5815 Tsukasa Saito Honda Motor Co. 1
#5815 Yuudai Hirai 1
#5815 Shoji Ishikawa Mitsubishi Electric 1
#5815 Keiji Nishimoto Sumitomo Electric Industries 1
#5815 Tomoei Kimura Kimura 1
#5815 Makoto Daicho Felica Networks 1
#5815 Shuhei YABU 1
#5815 Satoko Tomita Mitsubishi Electric 1
#5815 Hidetomo Nakagawa Mitsubishi Electric 1
#5815 Tetsuya Uehashi Oki Data 1
#5815 Takaaki Haruna Hitachi 1
#5815 Toshinori Hachiya Asahi Kasei Kabushiki Kaisha 1
#5815 Kazuhito Hayasaka Kabushiki Kaisha Toshiba 1
#5815 Tetsuya Fujino Sumitomo Osaka Cement Co. 1
#5815 Naoki Kanzawa Oki Data 1
#5815 Hideki Kamitsuna Yokowo Co. 1
#5815 Kazushi Nakagawa Hitachi 1
#5815 Motoya Tanaka Rakuten Group 1
#5815 Yuichi Ishikawa Sumitomo Electric Industries 1
#5815 Yutaka Miyajima Mitsubishi Electric 1
#5815 So Satoh Mitsubishi Electric 1
#5815 Akiyoshi YAGI Mitsubishi Electric 1
#5815 Kozo Ando Audio-Technica 1
#5815 Yutaka Hamada Fujitsu Limited 1
#5815 Eiichi Nakamura Nippon Conlux Co. 1
#5815 Kenji Oyama Canon 1
#5815 Kenichiro Iwasaki Bridgestone 1
#5815 Kiyoshi Oyama Canon 1
#5815 Hitoshi Ohmuro NTT 1
#5815 Tamiya Onodera IBM 1
#5815 Tatsuji Moriyoshi Nec 1
#5815 Tomohiro Danjo Kyowa Kirin Co. 1
#5815 Yuichiro Ohta Fujitsu Limited 1
#5815 Tsuneaki Takagishi Hitachi Industrial Equipment Systems Co. 1
#5815 Masaru Umeda Unknown 1
#5815 Yoshikazu Ohura Sony 1
#5815 You Asakura Sony 1
#5815 Yoshikatsu Ikawa Mitsubishi Electric 1
#5815 Masafumi MUTA Rakuten Group 1
#5815 Yoichiro Iwakura Tokyo University Of Science Foundation 1
#5815 Kazuya Sakai Hoya 1
#5815 Kei Miyazawa Synaptics Japan Gk 1
#5815 Yukie Kitada Uacj 1
#5815 Kinichi Morita Ushio Denki Kabushiki Kaisha 1
#5815 Tomonari Inamura Tokyo Institute Of Technology 1
#5815 Taku Maekawa Renesas Electronics 1
#5815 Takaaki Miyoshi Asahi Kasei Chemicals 1