Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2020, with 29,522 patents from 14,393 inventors. Leading employers of inventors based in Tokyo, JP include Anest Iwata, Merck, Nissan Chemical Industries.

Showing 13,751–13,800 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Takayuki Hata Anest Iwata 1
#5815 Seishi SHIBAYAMA Merck 1
#5815 Nobuhide Miyachi Nissan Chemical Industries 1
#5815 Toshiaki Iwa Eagle Industry Co. 1
#5815 Shingo Maruyama Moresco 1
#5815 Hideo Arai Oriental Yeast Co. 1
#5815 Tetsuro Enomoto Oriental Yeast Co. 1
#5815 Kazunari Yamada Ngk Insulators 1
#5815 Yoshinobu Nozue Sumitomo Chemical 1
#5815 Daisuke Shiokawa Unknown 1
#5815 Haruka Asai Sony 1
#5815 Takaaki Matsuda Asahi Kasei Chemicals 1
#5815 Yuta Takenaka Mitsubishi Electric 1
#5815 Kenichiro Hirao Fuji Hollow Valve 1
#5815 Hirokazu Morii Nippon Paper Industries Co. 1
#5815 Kenichi Sakurai Yamaha Motor 1
#5815 Kazuyuki Yusa Maintech Co. 1
#5815 Yoshiaki Doi Nec 1
#5815 Masahiro Izutsu Ebara 1
#5815 Munetake FUKUNAGA Nichia 1
#5815 Kentaro Shiraishi Kubota 1
#5815 Takeshi Shibahara Tdk 1
#5815 Yuta Tamura Jfe Steel 1
#5815 Yuichi Hatano Toshiba Client Solutions Co. 1
#5815 Yuki UGAJIN Mitsubishi Electric 1
#5815 Koji Nishimura Astellas Pharma 1
#5815 Takuma KAWAI Toyota 1
#5815 Hironobu Murai Ricoh Company 1
#5815 Kenichiro OKADA Hitachi 1
#5815 Koichi Hirokawa Hitachi Medical 1
#5815 Makio Mizuno Hitachi 1
#5815 Kozue IMAIZUMI Taiyo Yuden Co. 1
#5815 Tomonori Ijiri Terumo Kabushiki Kaisha 1
#5815 Daiki Nakahara Mitsubishi Electric 1
#5815 Koetsu Saito Sumitomo Electric Industries 1
#5815 Susumu Kimura Japan Display 1
#5815 Kumiko Shimizu 1
#5815 Yoshio Yasutome Nec 1
#5815 Syouei Hirasawa Sony 1
#5815 Yoshinobu Moriyuki Thk Co. 1
#5815 Satomi Ozawa Toyo Seikan Co. 1
#5815 Makiya Tamura Canon 1
#5815 Kei Furukubo Mitsubishi Electric 1
#5815 Kohei MATSUSHITA Hitachi 1
#5815 Minoru Kadowaki Hitachi-Omron Terminal Solutions 1
#5815 Atsushi Yokoi IBM 1
#5815 Katsuhito Kuwahara Yoshino Kogyosho Co. 1
#5815 Mao Ota Subaru 1
#5815 Masaya Kajii Subaru 1
#5815 Hisashi Ayuzawa Furukawa Electric Co. 1