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 Ihi, Gree Holdings, Canon.

Showing 13,201–13,250 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Hiroshi Horai Ihi 1
#5439 Jun Miyayama Gree Holdings 1
#5439 Satoshi Kozu Canon 1
#5439 Hideo Tanimoto Kyocera 1
#5439 Yasufumi Hirai Yahoo Japan 1
#5439 Shinako Matsuyama Sony 1
#5439 Masaki Tatezono Canon 1
#5439 Nobukazu Shogase Lion Group 1
#5439 Hirohisa Nishizawa Unknown 1
#5439 Masashi Higashiura Metran Co. 1
#5439 Tomoya Morikawa 1
#5439 Toshimitsu Momose The University Of Tokyo 1
#5439 Takafumi Shibata Dai Nippon Printing Co. 1
#5439 Kazuo Matsufuji Dai Nippon Printing Co. 1
#5439 Atsuki Iwata Ricoh Company 1
#5439 Hidehito Yamauchi Mitsubishi Electric 1
#5439 Toshihiko Dejima Subaru 1
#5439 Yoichi Hirayama Hitachi High-Technologies 1
#5439 Tasuku Kirikoshi Mitsubishi Electric 1
#5439 Hideki Numakura Asahi Glass Co. 1
#5439 Harunobu Endo 1
#5439 Tsutomu Koike Jvckenwood 1
#5439 Kenta Hosaki Canon 1
#5439 Gabriel Olivier Durand Unknown 1
#5439 Alice Jean Schwingendorf Unknown 1
#5439 Hideyuki Akaza Yakult Honsha 1
#5439 Ryota Yamatani Bridgestone 1
#5439 Hidehiro Koga Mitsubishi Electric 1
#5439 Koki Tsumori Sony 1
#5439 Marika Riku Mitsubishi Electric 1
#5439 Kaoru Iguchi E.I. Du Pont De Nemours And 1
#5439 Kazuo Mukai Panasonic 1
#5439 Tatsuya Koeda Sony 1
#5439 Aung Kothet Hitachi 1
#5439 Kanami IRIE Azbil 1
#5439 Kazuhiro Joten Toshiba Matsushita Display Technology Co. 1
#5439 Yukihiro Michiwaki Meiji Co. 1
#5439 Sadahiro Kawasaki Mitsubishi Electric 1
#5439 Tetsuhiro Sasagawa Ntt Docomo 1
#5439 Hiroyuki Temmei Hitachi Automotive Systems 1
#5439 Kazunari Mochizuki 1
#5439 Hideaki Minamide Mitsubishi Electric 1
#5439 Masayuki Ochiai Kyowa Hakko Bio Co. 1
#5439 Taichi Uto Mitsubishi Electric 1
#5439 Yu Takeuchi Asahi Glass Co. 1
#5439 Norio Numako Pentax 1
#5439 Masami Yuyama Casio Computer Co. 1
#5439 Yohei Fuchigami Mitsubishi Electric 1
#5439 Jun Hoshikawa Asahi Glass Co. 1
#5439 Saya Amemiya Dai Nippon Printing Co. 1