Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2016, with 25,606 patents from 13,113 inventors. Leading employers of inventors based in Tokyo, JP include Sumitomo Electric Industries, Sony, Alps Electric Co..

Showing 13,051–13,100 of 13,113 inventors

Rank Inventor Primary Company Patents
#5101 Hiroshi Okayama Sumitomo Electric Industries 1
#5101 Koichi Izawa Sony 1
#5101 Ryuji Ataka Alps Electric Co. 1
#5101 Koji Umezaki Toppan Printing Co. 1
#5101 Hiroo Nabeta Mitsubishi Electric 1
#5101 Kazumi Hosono Nippoh Chemicals Co. 1
#5101 Chie Hama Nippon Steel & Sumitomo Metal 1
#5101 Hiroshi Numagami Subaru 1
#5101 Naohiko Uramoto IBM 1
#5101 Shinichi Yorozu Nec 1
#5101 Satoshi Obana Nec 1
#5101 Osamu Imaki Japan Aviation Electronics Industry, Limited 1
#5101 Hideo Sugimoto Hoya 1
#5101 Hiroshi Kakuda Sony 1
#5101 Michiharu Arifuku Nippon Kayaku 1
#5101 Sunao Ishii Hitachi 1
#5101 Mako Ogino Astellas Pharma 1
#5101 Sawako Kojima 3M 1
#5101 Koji Tabuchi Nec 1
#5101 Shoko Yoshida Daiichi Sankyo Company, Limited 1
#5101 Hideaki Suda Nippon Steel & Sumikin Materials Co. 1
#5101 Shojiro Yamada Disco 1
#5101 Izumi Kuramochi The Yokohama Rubber Co. 1
#5101 Kazunori Hamada Sony 1
#5101 Yukio Honma Nikon-Essilor Co. 1
#5101 Teruzo Toi Chemetall Gmbh 1
#5101 Kenj Arii Mitsubishi Gas Chemical Company 1
#5101 Hiroshi Obayashi Nippon Steel & Sumitomo Metal 1
#5101 Tatsuya Nakae Hitachi 1
#5101 Sachio Uto Hitachi High-Technologies 1
#5101 Hiromichi Akimoto Kyowa Vacuum Engineering 1
#5101 Shoji Yabe Showa Denko K.K. 1
#5101 Shinji Hattori Sharp Kabushiki Kaisha 1
#5101 Hidetaka Yamashita Sumitomo Heavy Industries 1
#5101 Shoichi Hino Fujikin Incorporated 1
#5101 Masahito Saito Fujikin Incorporated 1
#5101 Maomi Katsumata Kabushiki Kaisha Toshiba 1
#5101 Issaku Sato Senju Metal Industry Co. 1
#5101 Hiroshi Sumio Canon 1
#5101 Masahiro Echigo Nihon Kohden 1
#5101 Dai Ikemizu Konica Minolta 1
#5101 Naoto Miyauchi Aisan Kogyo Kabushiki Kaisha 1
#5101 Kazutaka Tamaki Mimaki Engineering Co. 1
#5101 Nobuaki Kubo Ricoh Company 1
#5101 Kazunori Sugiyama Asahi Glass Co. 1
#5101 Naoki Hayamizu Furukawa Electric Co. 1
#5101 Nakayasu Tsukahara Comcast 1
#5101 Mitsuru Onuma Hitachi High-Technologies 1
#5101 Tomohiko Takemoto Mitsubishi Electric 1
#5101 Masanori Kosuda Tdk 1