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 Hitachi Appliances, Hitachi-Johnson Controls Air Conditioning, National Institute Of Information And Communications Technology.

Showing 9,901–9,950 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Koichi Tokushige Hitachi Appliances 1
#6064 Seigo Okamura Hitachi-Johnson Controls Air Conditioning 1
#6064 Kouichi AKAHANE National Institute Of Information And Communications Technology 1
#6064 Shingo Hishikawa Hitachi Medical 1
#6064 Nozomi Kondo Mitsubishi Electric 1
#6064 Tadashi Yoshiura Hitachi Chemical Company 1
#6064 Youhei Itoh Hitachi Chemical Company 1
#6064 Yasuhiro Niwa 1
#6064 Kazuhiko Hiraoka Hitachi Construction Machinery Co. 1
#6064 Akihiko KATAOKA Tokyo Electric Power Company Holdings, Incorporated 1
#6064 Toshihisa Tsuda Panasonic 1
#6064 Tsuyoshi Haneda Asahi Kasei Kabushiki Kaisha 1
#6064 Michio Tomizawa Nec Display Solutions 1
#6064 Kaori Matsumoto Komatsu Denshi Kinzoku Kabushiki Kaisha 1
#6064 Tomohito Inoue Tomoegawa 1
#6064 Jun Yoshida 1
#6064 Kenji Ohmura Mitsubishi Motors 1
#6064 Katsuaki Oonishi Kyocera 1
#6064 Hiroaki Sawato Honda Motor Co. 1
#6064 Aki Nakayama Mitsubishi Electric 1
#6064 Norio Uchiyama Niles Parts Co. 1
#6064 Yujiro Okihara Toshiba Mitsubishi-Electric Industrial Systems 1
#6064 Kazutoshi Isomura Nichia 1
#6064 Junko Takamura Seikagaku 1
#6064 Risho Koh Nec 1
#6064 Kosho AKATSUKA Agc 1
#6064 Tetsuji Uezono Eastman Kodak 1
#6064 Takashi Moribe Mitsubishi Heavy Industries Machinery Technology 1
#6064 Toshihiko Motobayashi Nec 1
#6064 Naohisa Akashi Mitsubishi Engineering-Plastics 1
#6064 Isao Tottori Mitsubishi Electric 1
#6064 Masami Nishihara Meidensha 1
#6064 Kazuki Okano Gnss Technologies 1
#6064 Kazuhisa Sunaga Nec 1
#6064 Toshinori Tomita Asahi Glass Co. 1
#6064 Noriaki Uesaka Kyowa Hakko Kirin Co. 1
#6064 Takashi Sawada Kyowa Hakko Kirin Co. 1
#6064 Osamu Ishihara Mitsubishi Electric 1
#6064 Katsuto SUGIMOTO Japan Display 1
#6064 Kunihisa Obi Olympus 1
#6064 Takeshi Takanami Bridgestone 1
#6064 Daisuke Matono Shinko Electric Industries Co. 1
#6064 Syouji Nogami Denso 1
#6064 Masahiro Mogi Fujitsu Limited 1
#6064 Yasushi Tanijiri Minolta Co. 1
#6064 Kiyotaka Akasaka Sony 1
#6064 Masafumi Usuda Ntt Docomo 1
#6064 Katsuhiko Kono Stanley Electric Co. 1
#6064 Toshio Kitada Asahi Kasei Kabushiki Kaisha 1
#6064 Masayuki Horie Jfe Steel 1