Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2024, with 28,253 patents from 13,980 inventors. Leading employers of inventors based in Tokyo, JP include Sony, Toyota, Orbray Co..

Showing 12,901–12,950 of 13,980 inventors

Rank Inventor Primary Company Patents
#5381 Masakazu Yajima Sony 1
#5381 Tomohiro Mimura Toyota 1
#5381 Shohei Konno Sony 1
#5381 Tsuyoshi Namekawa Orbray Co. 1
#5381 Tadasuke Ogawa Daifuku Co. 1
#5381 Keisuke Sanuki Toyo Seikan Co. 1
#5381 Koki Akai Nabtesco 1
#5381 Toshiyuki Nomura Nec 1
#5381 Ayumu MITOMO Honda Motor Co. 1
#5381 Yoshio Wada Subaru 1
#5381 Katsuya Tannai Hoya 1
#5381 Mitsuru Nozue Kurita Water Industries 1
#5381 Mikio Ishiyama Hitachi Plant Technologies 1
#5381 Yasuhiro Hatakeyama Canon 1
#5381 Takeru SHIRAGA Mitsubishi Electric 1
#5381 Hiroshi Hatayama Asahi Kasei Chemicals 1
#5381 Kazuki TOGO Hitachi 1
#5381 Kazuki Toyooka Honda Motor Co. 1
#5381 Ryu YAMAMOTO 1
#5381 Taisuke OHSHIMA 1
#5381 Masahiro Matsuba Nippon Steel 1
#5381 Koji Fujinaka Canon 1
#5381 Takeshi Miyabara Mitsubishi Electric 1
#5381 Akihiro Shinozaki Mitsubishi Electric 1
#5381 Kensuke Joji 1
#5381 Kaoru Kawakita 1
#5381 Yoshihiro Tokui Satake 1
#5381 Hayato IGA Disco 1
#5381 Rumi Ikezawa Nec 1
#5381 Hideharu Takahashi Subaru 1
#5381 Jun Katsunuma Kalita Co. 1
#5381 Toshio TOYOSHIMA The Japan Steel Works 1
#5381 Yutaka Nakagawa Asahi Glass Co. 1
#5381 Masanori Fukada Canon 1
#5381 Madoka SAKAITANI Unknown 1
#5381 Akihiro Asano Toyota 1
#5381 Yuichi Hirabayashi Hitachi High-Technologies 1
#5381 Shusaku Akiba Agc 1
#5381 Yen-Po Wang Delta Electronics 1
#5381 Asuka Nakamura Toyo Tire & Rubber Co. 1
#5381 Yuichiro Ezure Nec Communication Systems 1
#5381 Yohei TANIKAWA Olympus 1
#5381 Syuntaro Inoue 1
#5381 Atsushi Yabata Lapis Semiconductor Co. 1
#5381 Hiromitsu Mori Hitachi Media Electronics Co. 1
#5381 Jin Nakayama Casio Computer Co. 1
#5381 Hidenobu Umeda Tdk 1
#5381 Yoshinori KUSACHI NTT 1
#5381 Satoki Shichijyo 1
#5381 Naohiro Okubo Komatsu 1