Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2019, with 30,927 patents from 15,298 inventors. Leading employers of inventors based in Tokyo, JP include Nec, Mitsubishi Pencil Company, Limited, Astellas Pharma.

Showing 14,901–14,950 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Takaaki Ogata Nec 1
#6064 Satoshi Sakuma Mitsubishi Pencil Company, Limited 1
#6064 Kenichi Kawaguchi Astellas Pharma 1
#6064 Yasufumi Takahashi Ricoh Company 1
#6064 Takao Harada Kobe Steel 1
#6064 Shigesato Itoi Hobonichi Co. 1
#6064 Soichiro Eto Hitachi Consumer Electronics Co. 1
#6064 YUGO KATSUKI Sony 1
#6064 Ryota Sekiguchi Canon 1
#6064 Kentaro Shindo Mitsubishi Electric 1
#6064 Manao Hoshina Ebara 1
#6064 Akinori Asahara Hitachi 1
#6064 Ryota Nomura Tdk 1
#6064 Yoshitaka Hirata Hitachi 1
#6064 Yanto Suryono Cirrus Logic 1
#6064 Yu Jojima Panasonic 1
#6064 Naoaki Suzuki Nec 1
#6064 Shigeyoshi Ito Canon 1
#6064 Hisashi WADA Konica Minolta 1
#6064 Satoshi Seino Fujitsu Limited 1
#6064 Daisuke Nakazawa Mitsubishi Electric 1
#6064 Daiki Fukui Mitsubishi Electric 1
#6064 Masahiro Totsuka Mitsubishi Electric 1
#6064 Toshio Tsuchiya Disco 1
#6064 Yoshiyuki Okada Fujitsu Limited 1
#6064 Shuichiro Nishigori Sony 1
#6064 Masaru Inoue Nhk Spring Co. 1
#6064 Tomohiko MIZUGUCHI Maxell 1
#6064 Kenzo Makino Tdk 1
#6064 Shinsuke Nakazawa Nissan Motor Co. 1
#6064 Hiromichi Murakami Aisan Kogyo Kabushiki Kaisha 1
#6064 Tsuyoshi Yamasaki Kuraray Co. 1
#6064 Ryo Tabata Nippon Steel 1
#6064 Koki Hino Sony 1
#6064 Shinji Ashida Daiichi Sankyo Company, Limited 1
#6064 Hiroyuki Naito Daiichi Sankyo Company, Limited 1
#6064 Takeshi Masuda Daiichi Sankyo Company, Limited 1
#6064 Keita Sone Ricoh Company 1
#6064 Kazuya Hayashibe Sony 1
#6064 Osamu Katsuda Nikon 1
#6064 Masashi Katayama Koito Manufacturing Co. 1
#6064 Shota ENDO Nippon Steel 1
#6064 Hisataka Fukushima Mitsubishi Electric 1
#6064 Keigo YAMADA 1
#6064 Sachiko TANIGUCHI Mitsubishi Electric 1
#6064 Shinnosuke Kurihara Nippon Steel 1
#6064 Heisuke Nakashima Mitsumi Electric Co. 1
#6064 Atsushi Takemura Citizen Watch Co. 1
#6064 Takashi Tsujioka Honda Motor Co. 1
#6064 Yasunori Kawanami Sony 1