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USPTO Patent Rankings Data through Sept 30, 2025
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Tokyo, JP 2021

27,423 patents  ·  13,970 inventors

Ranked #1 of 42,968 cities Top 1%

Tokyo, JP ranks #1 worldwide for total patents filed in 2021, with 27,423 patents from 13,970 inventors. Leading employers of inventors based in Tokyo, JP include Olympus, Tdk, Mitsubishi Heavy Industries Thermal Systems.

Showing 10,751–10,800 of 13,970 inventors

Rank Inventor Primary Company Patents
#5339 Shinya ANSAI Olympus 1
#5339 Zhenyao Tang Tdk 1
#5339 Hideo SAHO Mitsubishi Heavy Industries Thermal Systems 1
#5339 Hiromitsu Kuroda Hitachi 1
#5339 Kyosuke NISHIDA NTT 1
#5339 Hisako ASANO NTT 1
#5339 Kazuki Ikeda Harima Chemicals, Incorporated 1
#5339 Naoya Toyota Advantest 1
#5339 Toshitaka Aiba Canon 1
#5339 Yuji MAEDE Japan Display 1
#5339 Hidetami Yaegashi Tokyo Electron Limited 1
#5339 Tomoki Umeya Gree Holdings 1
#5339 Hirokazu Kamine Asahi Kasei Kabushiki Kaisha 1
#5339 Naoki Matsuoka Fujitsu Limited 1
#5339 Hiroyoshi Tanabe Agc 1
#5339 Tatsushi YASUDA Nec 1
#5339 Masaaki Kosugi Nec 1
#5339 Yuji Kamei Japan Aviation Electronics Industry, Limited 1
#5339 Masafumi Noguchi Fujifilm 1
#5339 Masayuki Uno Olympus Optical Co. 1
#5339 Tomohiro Tateishi Canon 1
#5339 Yu Kataoka Sumitomo Osaka Cement Co. 1
#5339 Takeshi Yabuta Nippon Sheet Glass Company, Limited 1
#5339 Koichiro Yamaguchi Panasonic 1
#5339 Yuki OHNO Nec 1
#5339 Seiichiro Kanno Hitachi High-Technologies 1
#5339 Junichi Muramoto Sony 1
#5339 Tatsuya Kaneko Sony 1
#5339 Hideki Noma Sony 1
#5339 Yasuhiro Shirasaki Hitachi 1
#5339 Yoshihide OHUE Japan Display 1
#5339 Hideharu Hattori Hitachi 1
#5339 Yasuki KAKISHITA — 1
#5339 Toshiaki Kadota Jsr 1
#5339 Masaru Kuribayashi Mitsubishi Electric 1
#5339 Kenichi Okajima Hitachi 1
#5339 Sadahiro Kato Furukawa Electric Co. 1
#5339 Tomohiko Kuwabara Shin-Etsu Polymer Co. 1
#5339 Taichi Kogure Murata Manufacturing Co. 1
#5339 Isamu Chiba Mitsubishi Electric 1
#5339 Toshikazu Hasegawa Eko Instruments Co. 1
#5339 Yasuaki Mitsugi Toshiba Mitsubishi-Electric Industrial Systems 1
#5339 Tadashi Kameyama Renesas Electronics 1
#5339 Tsunehiko Baba Hitachi 1
#5339 Jumpei Okoshi Hitachi 1
#5339 Yusuke Yamaga Hitachi 1
#5339 Hideki Kaneko Japan Display 1
#5339 Masahito UCHIYAMA Hitachi-Lg Data Storage 1
#5339 Tomoaki Eto Yokogawa Electric 1
#5339 Ryosuke TORAMA Mitsubishi Electric 1

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