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 Yoshino Kogyosho Co., Nihon Kohden, Yokogawa Electric.

Showing 11,701–11,750 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Akihito Wakai Yoshino Kogyosho Co. 1
#6064 Ryoko Nakayama Nihon Kohden 1
#6064 Hironori HAYASHIZAKI Yokogawa Electric 1
#6064 Takao NAGAE Mitsubishi Electric 1
#6064 Tomonori Shinozaki Nidec Copal 1
#6064 Yasuaki HYODO Yahoo Japan 1
#6064 Satoshi Kishima Aisin Seiki Kabushiki Kaisha 1
#6064 Yoichi Ebashi Lion Group 1
#6064 Den'etsu Sutoo Yamato Scientific Co. 1
#6064 Chenhui Ma Rakuten Group 1
#6064 Kazuhiro Makishima Yokogawa Electric 1
#6064 Toshimi Kimura Hitachi 1
#6064 Yukiko Tezuka Nec 1
#6064 Hiromu Okutsu Panasonic 1
#6064 Kazuki Kirimura Mitsubishi Electric 1
#6064 Taiichiro Hayashibe Komatsu 1
#6064 Jirou Obama Juki 1
#6064 Hironori Toshimitu Zeon 1
#6064 Masatoshi KAWATAKE Renesas Electronics 1
#6064 Kenji TAGATA Nec 1
#6064 Ken Innami Two Cells Co. 1
#6064 Masahiro Ohmiya Hitachi 1
#6064 Tsunetaka Yamada Dowa Thermotech Co. 1
#6064 Kazunori Ishiumi 1
#6064 Tatsuyuki Sunada Shinkawa 1
#6064 Tomohiko Azuma Toppan Printing Co. 1
#6064 Tsubasa Kondo Agc 1
#6064 Hiromitsu Hachiya Kurita Water Industries 1
#6064 Toshimitsu Fuji Kajima 1
#6064 Tsukasa Suda Nippon Steel 1
#6064 Shinji TOMOIGAWA Mitsubishi Electric 1
#6064 Masahiro Onji The University Of Tokyo 1
#6064 Kouji Utsui Tdk 1
#6064 Masaki Mitarai Thine Electronics 1
#6064 Hisanori Yonenaga Furukawa Electric Co. 1
#6064 Shinpei Okazaki Honda Motor Co. 1
#6064 Shinichiro Sakamatsu Progress Technologies 1
#6064 Akinori Yamamura Mitsubishi Electric 1
#6064 Yuya Tsurumaki Mitsubishi Materials 1
#6064 Hirohito OKAZAKI Oki Data 1
#6064 Takashi Shinsaka N.I.T. 1
#6064 Kazumi Osawa N.I.T. 1
#6064 Yu Katagi Tdk Electronics Ag 1
#6064 Ick Hyun Shin Line 1
#6064 Takanori Hama Cellseed 1
#6064 Yuka Morimoto Lion Group 1
#6064 Nobuyuki NAHATA Toyo Ink Sc Holdings Co. 1
#6064 Tsutomu HADA Tachi-S Co. 1
#6064 Makoto Tago Hitachi 1
#6064 Junichiro Ito Olympus Optical Co. 1