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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 Ricoh Company, Hitachi, Nec.

Showing 14,951–15,000 of 91,278 inventors

Rank Inventor Primary Company Patents
#14828 Hirobumi Yoshino Ricoh Company 11
#14828 Noriyuki Yaginuma Hitachi 11
#14828 Shigeru Asai Nec 11
#14828 Kenichi Mizuma Ricoh Company 11
#14828 Isao Yoneoka Mitsubishi Electric 11
#14828 Kouki Horikoshi Research Development Corporation Of Japan 11
#14828 Yasuyuki Uchiyama Ntt Mobile Communications Network 11
#14828 Yasuhiro TSUSHIMA Adeka 11
#14828 Sachiko Yamada Unknown 11
#14828 Hiroshi Ikekame Hitachi 11
#14828 Tsuneo Hamaguchi Mitsubishi Electric 11
#14828 Akio Yabe Hitachi Media Electronics Co. 11
#14828 Yuichi Hamaguchi Sony 11
#14828 Takayuki Kaida Sanyo Electric Co. 11
#14828 Yoshimasa Takahashi Teijin Pharma Limited 11
#14828 Shigeo Matsushita Yaskawa Electric 11
#14828 Junji Namiki Nec 11
#14828 Masashi SHIMOYASU Tdk 11
#14828 Takao Atarashiya Japan Display 11
#14828 Takashi Shuto Intel 11
#14828 Yoshinobu Nakagawa Sumitomo Electric Industries 11
#14828 Masaru Kihara Fujitsu Component Limited 11
#14828 Shinji Ohashi Nittobo Acoustic Engineering Co. 11
#14828 Kazutoshi Ichikawa Nippon Steel & Sumitomo Metal 11
#14828 Takaharu Tasaki Yoshino Kogyosho Co. 11
#14828 Atsuo Ezaki Konica 11
#14828 Kazunori Hoshi Ricoh Company 11
#14828 Futoshi Igaue Renesas Electronics 11
#14828 Noriyoshi Uchida Koki Holdings Co. 11
#14828 Masaru Chiyomaru Mitsubishi Electric 11
#14828 Toshinori Hotta Nec 11
#14828 Michiko Baba Ihi 11
#14828 Haruhiro Yamashita Bristol-Meyers 11
#14828 Noboru Moriya Hitachi 11
#14828 Shunjin Aihara Zeon 11
#14828 Toshiro Yamauchi Nec 11
#14828 Toshihide Kurihara Tsubota Laboratory 11
#14828 Makoto Kosuge Max Co. 11
#14828 Akira Kazama Nkk Co. 11
#14828 Yoshihiko Kobashi Prevent-Plus 11
#14828 Takahisa Mizuno IBM 11
#14828 Kiyoshi Segawa Mitsubishi Electric 11
#14828 Nobuhide Yoshida Nec 11
#14828 Noboru Itoh Mitsubishi Electric 11
#14828 Takafumi Izumiya Japan Tobacco 11
#14828 Hiroaki Takamatsu Nec Display Solutions 11
#14828 Nobuhito Shima Hitachi Kokusai Electric 11
#14828 Mitsunori Komatsu Ebara 11
#14828 Norio Itoh Sharp Kabushiki Kaisha 11
#14828 Kiichiro Nabeta Teikoku Pharma Usa 11

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