Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2017, with 27,234 patents from 13,570 inventors. Leading employers of inventors based in Tokyo, JP include Renesas Electronics, Ricoh Company, Stanley Electric Co..

Showing 12,301–12,350 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Tatsuhiro Seki Renesas Electronics 1
#5439 Kiminori Masuda Ricoh Company 1
#5439 Yasushi Yatsuda Stanley Electric Co. 1
#5439 Takaaki Kawase IBM 1
#5439 Ryosuke Shimizu Sumitomo Electric Industries 1
#5439 Hidenobu Muramatsu Aisin Seiki Kabushiki Kaisha 1
#5439 Takaki Matsushita Hitachi 1
#5439 Hiroaki Arai Hitachi Zosen 1
#5439 Bingwei Yao The E3 Company 1
#5439 Gen Sakoda Sony 1
#5439 Takeshi Fukumori Satake 1
#5439 Atsushi Sugiura Mitsubishi Electric 1
#5439 Kyota Higa Nec 1
#5439 Mitsumasa Kuwabara Subaru 1
#5439 Akira Kawazoe Max Co. 1
#5439 Ryo Natori Canon 1
#5439 Kazumichi Nakahama Canon 1
#5439 Tomoki Noborisato Mitsubishi Electric 1
#5439 Toyoaki Yasui Mitsubishi Electric 1
#5439 Shoji Yachida Nec 1
#5439 Hiroyuki Kawasaki Ebara 1
#5439 Hirokatsu Shinano Adeka 1
#5439 Mitsuyasu Furusawa Koki Holdings Co. 1
#5439 Hsiang-Yuan Cheng Japan Display 1
#5439 Mitsunori Morisaki Nec 1
#5439 Masatoshi Yasunaga Mitsubishi Electric 1
#5439 Masahiko Ikawa Mitsubishi Electric 1
#5439 Mitsutaka Kimura Olympus 1
#5439 Toshihiko Mimura Canon 1
#5439 Hirokazu Saito Fujitsu Limited 1
#5439 Noriko OKUNISHI Renesas Electronics 1
#5439 Yusuke MORIUCHI Kabushiki Kaisha Toshiba 1
#5439 Tatsuto Nishihara Mitsubishi Electric 1
#5439 Tomoki Yachi Akebono Brake Industry Co. 1
#5439 Nobuaki Komatsu International Frontier Technology Laboratory 1
#5439 Qihong Wang Sony 1
#5439 Kaori Ichiba Miyoshi + Co. 1
#5439 Yuki Nomura Thk Co. 1
#5439 Jumpei Sano Canon 1
#5439 Takeshi Akagawa Nec 1
#5439 Takaharu Takechi Bridgestone Sports Co. 1
#5439 Yousuke Hisakuni Kabushiki Kaisha Toshiba 1
#5439 Kayo Tokieda Jfe Steel 1
#5439 Kyosuke Uematsu Mitsubishi Motors 1
#5439 Hiroshi Sekiguchi Dai Nippon Printing Co. 1
#5439 Atsuko AOKI Mitsubishi Electric 1
#5439 Hiroaki Hatanaka Ihi 1
#5439 TOMOHIRO YAMAMOTO Savid Therapeutics 1
#5439 Emiko Murayama Astellas Pharma 1
#5439 Takashi Nishizato Astellas Pharma 1