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 Nec, Japan Science And Technology Agency, Kabushiki Kaisha Toshiba.

Showing 14,001–14,050 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Norihito Fujita Nec 1
#5815 Shun Omi Japan Science And Technology Agency 1
#5815 Masami Funyu Kabushiki Kaisha Toshiba 1
#5815 Tetsuya Kageyama Shimadzu 1
#5815 Isamu Ueno Canon 1
#5815 Toshihiro Arisaka Hitachi 1
#5815 Tomoyoshi Takeuchi Ricoh Company 1
#5815 Masatoshi Tominaga Mitsubishi Electric 1
#5815 Daisuke Shouji Nec 1
#5815 Daizo Nagahara Sony 1
#5815 Yusuke SESHITA Sony 1
#5815 Kiyoshi Yasutomi Mitsubishi Electric 1
#5815 Jun Katakawa Rakuten Group 1
#5815 Masaki Kasahara Mitsumi Electric Co. 1
#5815 Fumina Takanohashi Sumitomo Chemical 1
#5815 Hiroyuki Ushiba Hitachi High-Technologies 1
#5815 Fumitaka Ozaki Sony 1
#5815 Chae Yong Disco 1
#5815 Hiroyuki Kunishima Renesas Electronics 1
#5815 Shinichi Numata Sony 1
#5815 Saki Kimura Disco 1
#5815 Shuta Nabeshima Hitachi 1
#5815 Kazuhiko Otoguro The Kitasato Institute 1
#5815 Tomohiro Yatagawa Mitsubishi Electric 1
#5815 Marika Jufuku Dena Co. 1
#5815 Toshiyuki Iguchi Casio Computer Co. 1
#5815 Hiroshi Mino Daiichi Kosho 1
#5815 Kouhei Kizu Canon 1
#5815 Tetsuya Kuji Olympus 1
#5815 Tomoharu Ohsumi Sony 1
#5815 Tetsuya Miida Ricoh Company 1
#5815 Fumitaka KAMACHI Askat 1
#5815 Yoshiyuki Yabugaki Mitsubishi Electric 1
#5815 Hiroshi Nishitsuji Nitto Kohki Co. 1
#5815 Jiemin ZHOU Sz Dji Technology Co. 1
#5815 Tetsu Owada Mitsubishi Electric 1
#5815 Keitaro Yamagishi Mitsubishi Electric 1
#5815 Yuuta Suzuki Lintec 1
#5815 Hitoshi Shobukawa Asahi Kasei Kabushiki Kaisha 1
#5815 Takashi Ideno Dowa Metaltech Co. 1
#5815 Chia-Tse Lee Delta Electronics 1
#5815 Masaru Morohashi Micron 1
#5815 Waka Lin Ricoh Company 1
#5815 Hidetoshi Muramatsu Mitsubishi Electric 1
#5815 Yoichiro Sato Sony 1
#5815 Tomonori Yamaguchi Toshiba Kikai 1
#5815 Kazuaki Kishimoto Mitsubishi Electric 1
#5815 Isamu Ohshita Tohoku Pioneer 1
#5815 Hiroto Takenaka Tokyo Electron Limited 1
#5815 Kenichiro Yoshino Topcon 1