Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2022, with 28,067 patents from 14,019 inventors. Leading employers of inventors based in Tokyo, JP include Hitachi, Dai-Ichi Kogyo Seiyaku Co., Mitsui Mining & Smelting Co..

Showing 13,901–13,950 of 14,019 inventors

Rank Inventor Primary Company Patents
#5476 Minatsu Tomita Hitachi 1
#5476 Masayuki Hashimoto Dai-Ichi Kogyo Seiyaku Co. 1
#5476 Kyohei Yamaguchi Mitsui Mining & Smelting Co. 1
#5476 Takashi KONASHI Nec 1
#5476 Daisuke Hotta Asahi Kasei Kabushiki Kaisha 1
#5476 Taro Nakamura Kubota 1
#5476 Rei YAMADA 1
#5476 Yoichi Otomo Mitsubishi Electric 1
#5476 Shota Shirai Mitsubishi Electric 1
#5476 Kenshiro Kawabata Mitsubishi Electric 1
#5476 Hideyuki Okano Keio University 1
#5476 Gen MURAYAMA Nippon Steel 1
#5476 Hirokazu Shimizu Sumitomo Electric Industries 1
#5476 Puttichai Lertkultanon Mujin 1
#5476 Taro Morioka Nomura Research Institute 1
#5476 Kengo Tsukamoto Sumitomo Electric Toyama Co. 1
#5476 Takashi YASUTOMI Nippon Steel 1
#5476 Shunichiro Hirosawa Disco 1
#5476 Takashi Kishi Kabushiki Kaisha Toshiba 1
#5476 Mikio Shiba Rion Co. 1
#5476 Norifumi Kameshiro Hitachi 1
#5476 Kazunobu Ookuri Sony 1
#5476 Norihide Enomoto Midori Anzen Co. 1
#5476 Hitomi Muto Nippon Kayaku 1
#5476 Kazuki Sugaya Canon 1
#5476 Zhaohui Cheng Hitachi High-Technologies 1
#5476 Atsushi Okamori Sony 1
#5476 Chikako Moriwake Fujifilm 1
#5476 Junpei Kamichi Ricoh Company 1
#5476 Kenji Okushiro Jfe Steel 1
#5476 Takuya NAKAMICHI Hitachi 1
#5476 Kimiyoshi NISHITANI Sekisui Medical Co. 1
#5476 Norikazu Hamanaka Right Mfg. Co. 1
#5476 Kouichi KANEMORI Mitsubishi Chemical 1
#5476 Keisuke Takano Japan Display 1
#5476 Hirohito Fujiwara Hitachi High-Tech Science 1
#5476 Kei Masuda Toyota 1
#5476 Shunsuke Fushie Mitsubishi Electric 1
#5476 Masayuki Motoya Sumitomo Osaka Cement Co. 1
#5476 Gen Kuwata Ihi 1
#5476 Takeshi Amimoto Mitsubishi Electric 1
#5476 Tetsuo YANADA Hitachi Industrial Equipment Systems Co. 1
#5476 Masafumi MIYAKE 1
#5476 Rei ARAKI Mitsubishi Electric 1
#5476 Shik Shin The University Of Tokyo 1
#5476 Kosuke MIYAWAKI Mitsubishi Electric 1
#5476 Susumu Maniwa Toppan Printing Co. 1
#5476 Kazuyuki NAGAHIRO Mitsubishi Electric 1
#5476 Kazuyuki Miyazawa Hitachi 1
#5476 Yasumasa Kunisada Mitsubishi Electric 1