Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2022, with 28,067 patents from 14,019 inventors. Leading employers of inventors based in Tokyo, JP include Hitachi, Dexerials, Tokusen Kogyo Co..

Showing 13,451–13,500 of 14,019 inventors

Rank Inventor Primary Company Patents
#5476 Shuntaro YUI Hitachi 1
#5476 Ryu Shimada Dexerials 1
#5476 Azusa Amino Hitachi 1
#5476 Toshihiko Yanase Hitachi 1
#5476 Kiyoshi Yui Tokusen Kogyo Co. 1
#5476 Masatsugu Shigeno Sii Nanotechnology 1
#5476 Akira Sakaigawa Japan Display 1
#5476 Hidenori Kushida Sony 1
#5476 Yuusuke Shinmen Mitsubishi Chemical 1
#5476 Takahiro Yamana Kojima Press Industry Co. 1
#5476 Masaaki Mizumura Nippon Steel 1
#5476 Tachio Kawai Canon 1
#5476 Daisuke Tsujimoto Canon 1
#5476 Hironori Kugimoto Sumitomo Osaka Cement Co. 1
#5476 Masanori Yoneda Qingdao Haier Washing Machine Co. 1
#5476 Hiroki Hashiguchi Nsk 1
#5476 Akira Satake Mitsubishi Electric 1
#5476 Shoutarou HIRATA Sumitomo Osaka Cement Co. 1
#5476 Shigeto Fukushima The University Of Tokyo 1
#5476 Kotaro Maki Seiko Group 1
#5476 Masayoshi Nagatomi Nippon Steel 1
#5476 Shoichiro SAKO Subaru 1
#5476 Rei Hanamura Fdk 1
#5476 Sota Sano Mitsubishi Electric 1
#5476 Kazuyoshi WARITA Nec 1
#5476 Yoshikazu Kamei Furukawa Electric Co. 1
#5476 Daiki Sumikawa Eagle Industries Unlimited 1
#5476 Ryuju Sato 1
#5476 Keiichi Iguchi Honda Motor Co. 1
#5476 Seketsu Fukuzawa Jeol 1
#5476 Takahiro TACHIBANA Mitsubishi Electric 1
#5476 Yasuyuki Ushijima Kioxia 1
#5476 Tatsuya Okuda Mitsubishi Electric 1
#5476 Hikaru Sugiura Toyota 1
#5476 Takashi Sakaguchi Hitachi 1
#5476 Shinsuke Tanaka Fujitsu Limited 1
#5476 Tomonori Kaifu Tokyo University Of Science Foundation 1
#5476 Alan Scully JPMorgan Chase 1
#5476 Norihiko Fujita Sony 1
#5476 Masato Kiriu Nihon Medi-Physics Co. 1
#5476 Daiki Sato Toyota 1
#5476 Chihiro NISHIKAWA Dowa Eco-System Co. 1
#5476 Toshifumi Inouchi Nippon Kayaku 1
#5476 Mitsuru Kamiyama Square Enix Co. 1
#5476 Tomohiro IYANAGI Mitsubishi Electric 1
#5476 Mutsumi SAKAKIBARA Nippon Steel 1
#5476 Isao Hara Hitachi 1
#5476 Hiromi Ohtsuka Fujitsu Component Limited 1
#5476 Chisato Taniguchi Mitsubishi Electric 1
#5476 Kazufumi Suzuki Subaru 1