Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed all time, with 716,148 patents from 91,278 inventors. Leading employers of inventors based in Tokyo, JP include Daikin Industries, Casio Keisanki, Toyo Engineering.

Showing 16,451–16,500 of 91,278 inventors

Rank Inventor Primary Company Patents
#16169 Kouichi Kita Daikin Industries 10
#16169 Yo Wada Casio Keisanki 10
#16169 Toru Numaguchi Toyo Engineering 10
#16169 Nobuhiko Chiwata Hitachi 10
#16169 Ryosuke Mochizuki Olympus 10
#16169 Jun Gomita Sony 10
#16169 Mutsunori Karasaki Mitsubishi Mining 10
#16169 Kazuhiro Kusunoki Fuji 10
#16169 Hiroyuki Idenawa Ricoh Company 10
#16169 Yosuke Haga Kenwood Limited 10
#16169 Koichi Yokomizo Oki Electric Industry Co. 10
#16169 Masaki ENZU Adeka 10
#16169 Naoaki KONDO 10
#16169 Satoru Higuchi Canon 10
#16169 Hiroyuki Kimata Ngk Spark Plug Co. 10
#16169 Yusuke Tomiyori Agc 10
#16169 Hisao Mizuno Mitsubishi Electric 10
#16169 Tetsuhiro Fukao Mitsubishi Electric 10
#16169 Tsutomu Kawamizu Mitsubishi Electric 10
#16169 Keigo YAMADA 10
#16169 Hiroshi Utsunomiya Sony 10
#16169 Masaki INOKUCHI Nec 10
#16169 Ryo Tsuda Mitsubishi Electric 10
#16169 Shigeru Kawada Nec 10
#16169 Yuji Makiuchi Fujitsu Component Limited 10
#16169 Kiminobu Terao Mitsubishi Motors 10
#16169 Koji Ohno Fujimi Incorporated 10
#16169 Takakazu Fukumoto Mitsubishi Electric 10
#16169 Tadashi Fukase Nec 10
#16169 Toshihisa Kondo Mitsubishi Electric 10
#16169 Fumiaki Tsuda The Japan Steel Works 10
#16169 Toshihiko Matsui Asahi Kasei Kogyo Co. 10
#16169 Masaaki Nakasima Pentax 10
#16169 Takashi Sako The Procter & Gamble 10
#16169 Yusuke Teramoto Ushio Denki Kabushiki Kaisha 10
#16169 Noriaki Nagashima Nec 10
#16169 Fumihiko Kimura Takemoto Yushi 10
#16169 Shozo Kawabata Spansion Llc. 10
#16169 Kodai Sato Bridgestone 10
#16169 Sadahiko Mushika Aisin Seiki Kabushiki Kaisha 10
#16169 Atsumi Yamaguchi Mitsubishi Electric 10
#16169 Yukihisa Sakai Menicon Co. 10
#16169 Keita Akiyama Stanley Electric Co. 10
#16169 Masakazu Yamashina Nec 10
#16169 Kunihiro Goto Denso 10
#16169 Iwao Hasegawa Kabushiki Kaisha Toshiba 10
#16169 Toshihiko Satoh Banyu Pharmaceutical Co. 10
#16169 Hisahiko Abe Hitachi 10
#16169 Yoshihiro Shibata Daiichi Sankyo Company, Limited 10
#16169 Hidenori Namiki Daiichi Sankyo Company, Limited 10