Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2011, with 21,999 patents from 11,174 inventors. Leading employers of inventors based in Tokyo, JP include Honda Tsushin Kogyo Co., Oki Data, Toray Industries.

Showing 9,751–9,800 of 11,174 inventors

Rank Inventor Primary Company Patents
#4279 Tsuyoshi Yoshizaki Honda Tsushin Kogyo Co. 1
#4279 Shinya Nakasha Oki Data 1
#4279 Hironobu Maeda Toray Industries 1
#4279 Yu Aso Koken Co. 1
#4279 Hiroaki Ohno Nippon Kayaku 1
#4279 Jun Emoto Tdk 1
#4279 Hiroaki Shirai Renesas Electronics 1
#4279 Kazuyasu Kawamura Konami Digital Entertainment Co. 1
#4279 Makoto Susaki Mitsubishi Electric 1
#4279 Kenichi Ueno Permelec Electrode 1
#4279 Takayuki Kadomura Hitachi Medical 1
#4279 Kazuya Kawakami Vodafone Group Plc. 1
#4279 Tsuyoshi Furukawa Fujitsu Limited 1
#4279 Kinya Tagawa Tamron Co. 1
#4279 Hiromitsu Nagayasu Mitsubishi Electric 1
#4279 Naoyuki Satou Nissan Motor Co. 1
#4279 Masahiro Matsubara Hitachi 1
#4279 Kazuhiko Sanada Nec 1
#4279 Yuichi Sadamitsu Nippon Kayaku 1
#4279 Kouji Miyabayashi Murata Manufacturing Co. 1
#4279 Daisuke Nomi Sofsera 1
#4279 Sami Akhtar Advantest 1
#4279 Yutaka Kashihara Kabushiki Kaisha Toshiba 1
#4279 Masao Kawamura Hitachi 1
#4279 Yahei Koyamada Ando Electric Co. 1
#4279 Yoshikatsu Kuroda Mitsubishi Electric 1
#4279 Satoshi Kai Hitachi 1
#4279 Masashi Kanauchi Ntt Docomo 1
#4279 Yomei Otani Saturn Licensing 1
#4279 Yuji Yatsuda Hitachi 1
#4279 Kazuaki Kunihiro Nec 1
#4279 Tetsu Miyazawa Samsung 1
#4279 Hiroo Kanamaru Mitsubishi Electric 1
#4279 Yoshitaka Katsume Square Enix Co. 1
#4279 Saburo Tanaka Sumitomo Electric Industries 1
#4279 Junji Tada Canon 1
#4279 Masakazu Kuroiwa Japan Aviation Electronics Industry, Limited 1
#4279 Susumu Sakamoto Tokico 1
#4279 Kiyoshi Ikehara Bridgestone 1
#4279 Akira Fujisaki Furukawa Electric Co. 1
#4279 Michiyo Ogawa Nikon 1
#4279 Keiichi Sakamaki Hitachi Kokusai Electric 1
#4279 Atsuhiko Hattori Chuo Hatsujo 1
#4279 Hiroshi Kuroiwa Hitachi 1
#4279 Misuzu Sagawa Hitachi 1
#4279 Teruyuki Okayasu Mitsubishi Chemical 1
#4279 Hiroyasu Yoshizawa Hitachi 1
#4279 Kazutatsu Tokuyama Sony 1
#4279 Masatoshi Tokushima Nec 1
#4279 Mitsuhiro Tokorotani Nec Infrontia 1