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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 Sony, Renesas Electronics, Mitsubishi Electric.

Showing 15,701–15,750 of 91,278 inventors

Rank Inventor Primary Company Patents
#14828 Hidekazu Nakai Sony 11
#14828 Kazuaki TERASHIMA Renesas Electronics 11
#14828 Junko Shinohara Mitsubishi Electric 11
#14828 Kunihiko Waki Mitsubishi Hitachi Power Systems 11
#14828 Naotake Fujita Nec 11
#14828 Hirokazu Shirai Mitsubishi Electric 11
#14828 Daisuke HAMANO Mazda Motor 11
#14828 Shinsaku Saitho Nec 11
#14828 Masayoshi Ohno Sony 11
#14828 Hiroaki Yukawa Sony 11
#14828 Emiko Ikeda Sony 11
#14828 Katsuhiko Igarashi Tdk 11
#14828 Jun Satou Kinki University 11
#14828 Katsuhiko Higashino Daikin Industries 11
#14828 Hiroyuki Iwahashi Sharp Kabushiki Kaisha 11
#14828 Kanako Dowaki Canon 11
#14828 Katsuhiko Kawakami Softard Industries Co. 11
#14828 Yoichi Ohmura Mitsubishi Electric 11
#14828 Yasuyuki Haneishi Pentax 11
#14828 Takashi Hatakeda Sony 11
#14828 Takuto Horii Tdk 11
#14828 Yuichiro Hirota Canon 11
#14828 Shigeo Seki Meiji Seika Kaisha 11
#14828 Ryuji Ishida Nec 11
#14828 Kenji Kosuge Nippon Steel 11
#14828 Tsuguo Hori Nec 11
#14828 Yoshiteru Shikakura Sii Nanotechnology 11
#14828 Hisamo Sogawa Sony 11
#14828 Masahiro Ibukiyama Denki Kagaku Kogyo 11
#14828 Hideki Kobunaya Nec 11
#14828 Noriko Ishikawa Seldar Pharma 11
#14828 Akio Sakano Sony 11
#14828 Chikafumi Yasumoto IBM 11
#14828 Hideya Akasaka Nintendo Co. 11
#14828 Toshiyuki Toyoshima Mitsubishi Electric 11
#14828 Keigo NAKATANI Mitsubishi Electric 11
#14828 Yuichi Kurata Lintec 11
#14828 Yasuki Suzuura Dai Nippon Printing Co. 11
#14828 Youiti Kado Oki Electric Industry Co. 11
#14828 Takakazu Kiyomura Elpida Memory 11
#14828 Kunji Shigeto Hitachi High-Technologies 11
#14828 Masaya TOBA Resonac 11
#14828 Tatsuji Moriyoshi Nec 11
#14828 Toshiro Okamoto Mitsubishi Mining 11
#14828 Naoya Hirata Mitsubishi Electric 11
#14828 Junya Kawabata Ebara 11
#14828 Fujimi Kimura Tdk 11
#14828 Tomokazu Matsuzaki Renesas Electronics 11
#14828 Hirokazu Otani Mitsubishi Electric 11
#14828 Satoshi Miyaji Kokusai Denshin Denwa Co. 11

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Yokohama, JP432,220