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 Hitachi, Ntt Docomo, Mitsubishi Electric.

Showing 10,751–10,800 of 11,174 inventors

Rank Inventor Primary Company Patents
#4279 Shinji Kuniyoshi Hitachi 1
#4279 Hiroaki Ban Ntt Docomo 1
#4279 Mamoru Seo Mitsubishi Electric 1
#4279 Shinichi Nakatsuka Hitachi 1
#4279 Hiroki Matsukuma Tdk 1
#4279 Yuki Furuuchi Microsoft 1
#4279 Koichi Hikida Asahi Kasei Emd 1
#4279 Kazushige Ohmura Shell Oil Compny 1
#4279 Toshiyasu Kurasugi Nec 1
#4279 Taeko Miwa Mitsubishi Tanabe Pharma 1
#4279 Tokuhisa Yamato Kissei Pharmaceutical Co. 1
#4279 Tadashi Iwase Fujibo Holdings 1
#4279 Noboru Fukuda Nihon University 1
#4279 Zenzo Hashimoto Itochu 1
#4279 Takanori Yasukouchi Daiichi Pharmaceutical Co. 1
#4279 Katsuyuki Okada National Institute For Materials Science 1
#4279 Mitsuru Suginoya Seiko Instruments 1
#4279 Katsunobu Suzuki Nec 1
#4279 Yukiharu Suzuki Tamura 1
#4279 Hideo Sugizaki Jeol 1
#4279 Takao Shiono Rakuten Group 1
#4279 Shozo Ishikawa Canon 1
#4279 Yasuhiko Muramatsu Yokogawa Electric 1
#4279 Shigenori Yamaguchi Nec 1
#4279 Chikara Hoshino Kissei Pharmaceutical Co. 1
#4279 Masakazu Ishizaki Kawada Industries 1
#4279 Tadaaki Osawa Kawada Industries 1
#4279 Shuichi Tsukatsune Honda Motor Co. 1
#4279 Takafumi Sera Nec 1
#4279 Naoto Kawaura Hitachi Software Engineering Co. 1
#4279 Sze Yun Set Honda Motor Co. 1
#4279 Chiaki Katoh Dai Nippon Printing Co. 1
#4279 Kazuo Kusakabe Canon 1
#4279 Toshimasa Ike Seiko Instruments 1
#4279 Takaharu Innami Nec 1
#4279 Makoto Hinohara Canon 1
#4279 Shigenori Uruno NTT 1
#4279 Toshiya Horii Tokai Carbon Co. 1
#4279 Masahiko Kojima Nec 1
#4279 Ryuhei Miyashiro Canon 1
#4279 Soichiro Kiyoki Subaru 1
#4279 Takahiro Kaminagayoshi Microsoft 1
#4279 Yoichi Tanaami 1
#4279 Nobuhiko Izuta Disco 1
#4279 Yoichi Nishioka Otsuka Chemical Co. 1
#4279 Saho Kimura Ebara 1
#4279 Mizuki Oike Furukawa Electric Co. 1
#4279 Takeomi Ideta Ishikawajima-Harima Heavy Industries Co. 1
#4279 Kanji Onodera 1
#4279 Hisako Nakano Subaru 1