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USPTO Patent Rankings Data through Sept 30, 2025
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Tokyo, JP All Time

716,148 patents  ·  91,278 inventors

Ranked #1 of 111,555 cities Top 1%

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 Elpida Memory, Ricoh Company, Marna.

Showing 14,751–14,800 of 91,278 inventors

Rank Inventor Primary Company Patents
#13732 Masahiko Ohuchi Elpida Memory 12
#13732 Kunihiko Ikeda Ricoh Company 12
#13732 Yoshiki Nagoya Marna 12
#13732 Kazuhiko Kagawa Mitsubishi Chemical 12
#13732 Yujiro Watanabe Mitsubishi Electric 12
#13732 Yasuhiro Mayumi Nippon Steel & Sumitomo Metal 12
#13732 Takashi Kagami Ricoh Company 12
#13732 Yoshinori Kurosawa Hitachi Cable 12
#13732 Ryo Uchida Nissan Motor Co. 12
#13732 Yosuke Ohsawa Canon 12
#13732 Shusuke Utsumi Sony 12
#13732 Hidenori Nakagawa Pioneer 12
#13732 Naoki Hata Kawasaki 12
#13732 Kazuto Ariga Canon 12
#13732 Hiroharu Satoh Kabushiki Kaisha Toshiba 12
#13732 Hideyuki Iriyama Dai Nippon Printing Co. 12
#13732 Shinji Maki Shinkawa 12
#13732 Tomoteru Mizusaki N.E. Chemcat 12
#13732 Yushi Niwa Nec 12
#13732 Hidetoshi Kasahara Eagle Industry Co. 12
#13732 Hiroshi Kamezawa Nec Infrontia 12
#13732 Toshiki Takeda Nec Infrontia 12
#13732 Yoichiro Azuma Asahi Kasei Kabushiki Kaisha 12
#13732 Yoshihide Kimata Nippon Television Network 12
#13732 Hirotaka Minagawa Nec Solution Innovators 12
#13732 Tatenobu Seki Yokogawa Electric 12
#13732 Eiji Morimoto Kao 12
#13732 Takaki Sugino Mitsubishi Electric 12
#13732 Hajime Morikawa Toyota 12
#13732 Tomoyuki Haganuma Ricoh Company 12
#13732 Haruo Sakata Clarion Co. 12
#13732 Takeshi SHIBAYAMA Tdk 12
#13732 Shinichi Nagai Honda Motor Co. 12
#13732 Kazuhisa Kaede Nec 12
#13732 Shohgo Atarashi Daiichi Seiyaku Co. 12
#13732 Mitsuyoshi Aonuma Nippon Zeon Co. 12
#13732 Yusuke Konno Nippon Steel & Sumitomo Metal 12
#13732 Eiji Atsumi Mitsubishi Electric 12
#13732 Ayaka Tamura Sony 12
#13732 Yukinobu Tanaka Hitachi Consumer Electronics Co. 12
#13732 Hideyuki Kokubo Fujitsu Limited 12
#13732 Tomohiko Nagayama Sony 12
#13732 Keisuke Okai Tdk 12
#13732 Hironari Kobayashi Yamaha 12
#13732 Erina ICHIKAWA Casio Computer Co. 12
#13732 Koichi Shinoda Nec 12
#13732 Katsuhiko Nakazawa Japan Aviation Electronics Industry, Limited 12
#13732 Tsutomu Mikami Sumitomo Electric Industries 12
#13732 Naoyuki Ohno Sony 12
#13732 Iwao Kanamori Olympus Optical Co. 12

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