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 Niles Co., Makino Milling Machine Co., Asahi Kasei Kogyo Co..

Showing 13,101–13,150 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Hidekazu Wakita Niles Co. 1
#5439 Naohito Toida Makino Milling Machine Co. 1
#5439 Hideo Midorikawa Asahi Kasei Kogyo Co. 1
#5439 Akihito Ogino Nippon Paper Industries Co. 1
#5439 Hirokazu Iijima Hitachi Medical 1
#5439 Shota Kosuda Oki Data 1
#5439 Yukimasa Uchiyama Nikon 1
#5439 Masayoshi Tsuji Nec 1
#5439 Marta Marmiroli Mitsubishi Electric 1
#5439 Masataka IEDA Mitsubishi Electric 1
#5439 Mitsuhiro Okazaki Nikon 1
#5439 Yoshiyuki Takaku Sony 1
#5439 Eisuke Kamide Hitachi High-Technologies 1
#5439 Toshinari HIRAI Mitsubishi Electric 1
#5439 Yasuhiro Mamada Hirose Electric Co. 1
#5439 Reo Matsutani Organo 1
#5439 Koubun Takahashi Kabushiki Kaisha Toshiba 1
#5439 Kenichi Mizukami Sony 1
#5439 Mutsuhiro Ono Jdc 1
#5439 Hiromitsu Aikawa Sony 1
#5439 Terutaka Iwasaki Toppan Printing Co. 1
#5439 Masakazu Shimbara Janome Sewing Machine Co. 1
#5439 Kouji Kinoshita Nec 1
#5439 Masatsugu Ayabe Jsr 1
#5439 Masayuki Sasagawa Konica 1
#5439 Mitsuyoshi Saitou Tokyo Seikan Group Holdings 1
#5439 Yukio Iigahama Fujitsu Limited 1
#5439 Jun Kobayashi Daiichi Sankyo Company, Limited 1
#5439 Kiyoomi Kakuda Alps Electric Co. 1
#5439 Akihiro Iikuma 1
#5439 Tsutomu Terasaki Honda Motor Co. 1
#5439 Katsuhiko Iwase Ig-Technical Research 1
#5439 Masamichi Furuichi Sony 1
#5439 Ryuichi Kashima Hoya 1
#5439 Tomonari Nishimura Nec Solution Innovators 1
#5439 Yasushi Arita Sumitomo Bakelite Co. 1
#5439 Kazuya Sakamaki Max Co. 1
#5439 Toshiharu NINOMIYA Kyushu University, National University 1
#5439 Toshikazu Shiojiri Honda Motor Co. 1
#5439 ATSUMASA OSAWA Mitsubishi Electric 1
#5439 Satoshi Sometani Mitsubishi Electric 1
#5439 Takuya KAWADA National Institute Of Information And Communications Technology 1
#5439 Tomoharu Tejima Ebara 1
#5439 Hideto Kanou Kyocera 1
#5439 Shouta Ukai Yokogawa Electric 1
#5439 Hidehiko Wada Yokogawa Electric 1
#5439 Kazuhiro Sasahara Dai Nippon Printing Co. 1
#5439 Shinya Kubota Honda Motor Co. 1
#5439 Hiroshi Sakaki Nec 1
#5439 Yasuhiro Sagawa Ricoh Company 1