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USPTO Patent Rankings Data through Sept 30, 2025
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Tokyo, JP 2024

28,253 patents  ·  13,980 inventors

Ranked #1 of 44,998 cities Top 1%

Tokyo, JP ranks #1 worldwide for total patents filed in 2024, with 28,253 patents from 13,980 inventors. Leading employers of inventors based in Tokyo, JP include Hitachi Kokusai Electric, Keio University, Sony.

Showing 11,951–12,000 of 13,980 inventors

Rank Inventor Primary Company Patents
#5381 Toru Kagaya Hitachi Kokusai Electric 1
#5381 Meigen LIU Keio University 1
#5381 Takahito Migita Sony 1
#5381 Masakazu Nose Mitsubishi Electric 1
#5381 Kumiko Oomori NTT 1
#5381 Toshio Masuda Hitachi 1
#5381 Minori Orita Ihi 1
#5381 Ryo Urahashi Shinkawa 1
#5381 Takuya MUROOKA Tokyo Institute Of Technology 1
#5381 Hideto Nakao Mitsubishi Electric 1
#5381 Yasunori AKASHI Hitachi 1
#5381 Hanyou Sou Jfe Steel 1
#5381 Yusuke Kohigashi Nippon Steel 1
#5381 Kouichi Tanimoto King Jim Co. 1
#5381 Nobuhiko Maki Canon 1
#5381 Tsutomu Toyoguchi Sony 1
#5381 KAZUKI HIRAISHI Sony 1
#5381 Ken-ichi Yatsugi Dainippon Ink And Chemicals 1
#5381 Yoshihiro NAKAZUMI Mitsubishi Gas Chemical Company 1
#5381 Kotaro Uki Subaru 1
#5381 Yuichi Fukuda — 1
#5381 Hiroo Omi NTT 1
#5381 Satoshi Horigome Gree Holdings 1
#5381 Tomoyuki Kudo Uacj 1
#5381 Hiroki Serizawa Chugai Pharmaceutical 1
#5381 Satoshi Takakuwa Taiyo Yuden Co. 1
#5381 Koki Tateishi Mitsubishi Heavy Industries Thermal Systems 1
#5381 Kazuhiko Kamo Mitsubishi Electric 1
#5381 Aya Oikawa Kureha 1
#5381 Yumeno SUZUKI Kureha 1
#5381 Motohiro Inagaki Asahi Breweries 1
#5381 Tsutomu Maeda Tdk 1
#5381 Katsutoshi Seki Nec 1
#5381 Yasushi Takaki Mitsubishi Electric 1
#5381 Masakazu KUME Hitachi Chemical Company 1
#5381 Takashi Sakuyama Thk Co. 1
#5381 Hiroshi Kaneshige Thk Co. 1
#5381 Hidetoshi Takahashi The University Of Tokyo 1
#5381 Yoshihide Yamaguchi Hitachi 1
#5381 Shuhei Shigeto Japan Aerospace Exploration Agency 1
#5381 Masanobu Osawa Mitsubishi Electric 1
#5381 Mizuki Higuchi Mitsubishi Electric 1
#5381 Kazuo Tokuyama Hitachi 1
#5381 Tsunamichi Tsukidate Hitachi Automotive Systems 1
#5381 Hiromi Goda Mitsubishi Electric 1
#5381 Kentaro Hoshino Mitsubishi Electric 1
#5381 MASANOBU JIMBO Sony 1
#5381 Shigetoshi Onitsuka Sony 1
#5381 Shigehisa Tanaka Hitachi 1
#5381 Toru Yoshihara Mitsubishi Electric 1

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