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 Mitsubishi Electric, Ebara, Creagri.

Showing 12,351–12,400 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Shuichiro SENDA Mitsubishi Electric 1
#5439 Khotaro Kawamura Ebara 1
#5439 Fujio Numano Creagri 1
#5439 Yukio Koshiba Bandai Namco Entertainment 1
#5439 Yudai Hata Disco 1
#5439 Masato Yuno Dai Nippon Printing Co. 1
#5439 Ju-Myung Song Korea Atomic Energy Research Institute 1
#5439 Masatomo Hatta Mitsubishi Electric 1
#5439 Masaru Ogiwara Mitutoyo 1
#5439 Toshihiro Nishizawa Nec 1
#5439 Takayuki Amano Mitsubishi Electric 1
#5439 Shinya Kawanaka IBM 1
#5439 Yosaku Toyama Dena Co. 1
#5439 Yoshio Fukamatsu Seidensha Electronics Co. 1
#5439 Junpei Mizobata Mitsubishi Electric 1
#5439 Hirofumi Imanishi Subaru 1
#5439 Tomohiro Nakae Mitsubishi Electric 1
#5439 Itatu Nishizawa Hitachi 1
#5439 Atsushi Tokuno Advantest 1
#5439 Takanori TAMAKI Kanagawa Institute Of Industrial Science And Technology 1
#5439 Masaya Sakai Mitsubishi Electric 1
#5439 Yuji Hayami Sumitomo Osaka Cement Co. 1
#5439 Kayoko Sato Oki Electric Industry Co. 1
#5439 Choonok Park Technology Partners 1
#5439 Chieko Ogawa Olympus 1
#5439 Peng Mi The University Of Tokyo 1
#5439 Hironori Yamashida Adamant Kogyo Co. 1
#5439 Terumichi Sugimura Adamant Kogyo Co. 1
#5439 Hiroaki Itano Yoshino Gypsum Co. 1
#5439 Fumika Koyano Tokyo Metropolitan Institute Of Medical Science 1
#5439 Noriyuki Matsuda Tokyo Metropolitan Institute Of Medical Science 1
#5439 Yoshihito Horiuchi Japan Display 1
#5439 Mamoru Kondo Sumitomo Electric Industries 1
#5439 Makiko Nagashima Fujifilm 1
#5439 Tadashi Munakata Kabushiki Kaisha Toshiba 1
#5439 Kenichiro Imai Sony 1
#5439 Ryouhei Miyagawa Hitachi 1
#5439 Motoko Kameda Toray Industries 1
#5439 Asako Mitani Kao 1
#5439 Keita Hattori Hitachi Cable 1
#5439 Tsutomu Ohgushi Japan Aviation Electronics Industry, Limited 1
#5439 Hideki Matsuyama Renesas Electronics 1
#5439 Hiromi Satou Hitachi 1
#5439 Kentaro Koseki Hitachi 1
#5439 Ryoji HIROBE Hitachi 1
#5439 Koki Uchino Sony 1
#5439 Yusuke Shinozaki Dena Co. 1
#5439 Tadao Abe Kao 1
#5439 Yasushi Tomonaga Mitsubishi Electric 1
#5439 Yohei Kakiuchi Mitsubishi Electric 1