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 Mitsubishi Gas Chemical Company, Panasonic, Tokyo Electron Limited.

Showing 14,051–14,100 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Maki Ito Mitsubishi Gas Chemical Company 1
#5815 Yoshihiro Noguchi Panasonic 1
#5815 Junichi Kitagawa Tokyo Electron Limited 1
#5815 Kenji Takamiya Ihi 1
#5815 Yohei Hashizume Canon 1
#5815 Yusuke TSUTSUMI Unknown 1
#5815 Yosuke UEBA Dai Nippon Printing Co. 1
#5815 Hiroshi UCHIGAITO Hitachi 1
#5815 Ryoji Yanashima Gree Holdings 1
#5815 Shun Maekawa Dentsu 1
#5815 Hiroyuki Nagatani Oji Holdings 1
#5815 Shino Iwai Oji Holdings 1
#5815 Shun Doi Cytlimic 1
#5815 Shinsuke Izawa Hitachi 1
#5815 Yuriko TSUKAMOTO Sekisui Medical Co. 1
#5815 Yuya Akimoto Ricoh Company 1
#5815 Shigenori Suemori Mitsubishi Electric 1
#5815 Yasuo Ikeda Ss Pharmaceutical Co. 1
#5815 Naotaka Minagawa Tanita 1
#5815 Daisuke Shiono Sony 1
#5815 Sumika Tamura Toppan Printing Co. 1
#5815 Yuji Nobuoka Seikagaku 1
#5815 Yusaku Sakka Hitachi High-Technologies 1
#5815 Tatsuya Kawamoto Astellas Pharma 1
#5815 Katsumi Yoshida Hitachi 1
#5815 Takaaki Fukushi Nippon Steel & Sumitomo Metal 1
#5815 Koyo Sakamoto Panasonic 1
#5815 Yoji Okita Ihi 1
#5815 Kyouhei Yamamoto Mitsubishi Electric 1
#5815 Tomohide Yamazaki Sbi Biotech Co. 1
#5815 Yuuichi Nemoto Komatsu 1
#5815 Toru Yoshikawa Noritsu Koki Co. 1
#5815 Setsuo Ishibashi Alps Alpine Co. 1
#5815 Masashi Kinukawa Livestock Improvement Association Of Japan 1
#5815 Mai Kinoshita Dai Nippon Printing Co. 1
#5815 Tetsuji Ueki Dai Nippon Printing Co. 1
#5815 Kiyoaki Tanifuji Dexerials 1
#5815 Shunsuke Kamei Mitsubishi Electric 1
#5815 Mitsuhiko YAZAKI Nippon Steel Coated Sheet 1
#5815 Kiyomichi Ichikawa Ihi 1
#5815 Akifusa Higuchi Rigaku 1
#5815 Shiro Umegaki Rigaku 1
#5815 Ryotaro Yamaguchi Rigaku 1
#5815 Shintaro Akiyama Japan Tobacco 1
#5815 Masahiko Matsukawa Nippon Paint Holdings Co. 1
#5815 Sadaharu Matsuo Canon 1
#5815 Takeshi Kora Mitsubishi Heavy Industries Engineering 1
#5815 Takeshi FUKUROSE Subaru 1
#5815 Masahiro Kamiyama Panasonic 1
#5815 Masayuki Igarashi Microbial Chemistry Research Foundation 1