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 Nhk Spring Co., NTT, Mayekawa Mfg. Co..

Showing 10,851–10,900 of 11,174 inventors

Rank Inventor Primary Company Patents
#4279 Toshiki Ando Nhk Spring Co. 1
#4279 Ippei Shake NTT 1
#4279 Naoya Hiruma Mayekawa Mfg. Co. 1
#4279 Shin-ichi Ohkoshi The University Of Tokyo 1
#4279 Kouichi Masuda Panasonic 1
#4279 Minoru Asogawa Nec 1
#4279 Tadatomi Ishigami Mitsubishi Electric 1
#4279 Masatoshi Fujii Mitsubishi Electric 1
#4279 Yoshiharu Tojo Ricoh Company 1
#4279 Megumi Yamaoka Panasonic 1
#4279 Ken Onishi Mitsubishi Electric 1
#4279 Daisuke Inomata Oki Electric Industry Co. 1
#4279 Akira Kumagai Kabushiki Kaisha Toshiba 1
#4279 Motohiro Tanaka Hitachi High-Technologies 1
#4279 Ichiro Fujiwara Sony 1
#4279 Kunihiko KIDO Hitachi 1
#4279 Kohei Nishiguchi Mitsubishi Electric 1
#4279 Tomoyuki Uchida Dai-Ichi Seiko Co. 1
#4279 Katsuhiko Ohta HGST 1
#4279 Kazuya Tachimoto Subaru 1
#4279 Masahiro Okamoto Fujikura 1
#4279 Hajime Takei Minolta 1
#4279 Takuya Kishimoto Sony 1
#4279 Takao Kawai Nec 1
#4279 Masaru Koyanagi Kabushiki Kaisha Toshiba 1
#4279 Kaoru Ito Japan Display 1
#4279 Kiichi Hori Japan Aviation Electronics Industry, Limited 1
#4279 Hiroaki Maeda Aisin Seiki Kabushiki Kaisha 1
#4279 Hiromasa Katayama Canon 1
#4279 Kunihiro Ueda Tdk 1
#4279 Yoshimitsu Wada Tdk 1
#4279 Yasuyuki Kamai Konica Minolta 1
#4279 Satoru Murata Kokusai Electric 1
#4279 Kohei Noguchi Honda Motor Co. 1
#4279 Shintaro Nakagawa Showa Denko K.K. 1
#4279 Kazuya Okada Unicharm 1
#4279 Nagamasa Mizushima Hitachi 1
#4279 Junji Higashiyama Honda Motor Co. 1
#4279 Yoshinori Uchida Mitsubishi Electric 1
#4279 Hirotaka Ito Fujifilm 1
#4279 Tatsuo Ishiguro Mitsubishi Electric 1
#4279 Ryoma Kato Kabushiki Kaisha Toshiba 1
#4279 Kazuya Igata Max Co. 1
#4279 Masahiro Miwa Kyb 1
#4279 Kazuhiro Ishida Hitachi 1
#4279 Takeshi Tomimori Mitsubishi Electric 1
#4279 Toshiharu Sugawara Hitachi 1
#4279 Kenichi Hidai Sony 1
#4279 Yasuteru Kajikawa Daicel Chemical Industries 1
#4279 Shohei Abe Fdk 1