Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2019, with 30,927 patents from 15,298 inventors. Leading employers of inventors based in Tokyo, JP include Canon, Dexerials, Mitsubishi Chemical.

Showing 12,001–12,050 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Atsushi Kumagai Canon 1
#6064 Nobuo Tano Dexerials 1
#6064 Teruhiko OHARA Mitsubishi Chemical 1
#6064 Motoki Ebisu Mitsubishi Electric 1
#6064 Yasuo Kamei Canon 1
#6064 Takaaki Matsuo Mitsubishi Electric 1
#6064 Tadashi Ogawa Ricoh Company 1
#6064 Chisaki Takubo Hitachi 1
#6064 Atsushi Isobe Hitachi 1
#6064 Shintaro Miyatani Sony 1
#6064 Yosuke Yasuda Seikagaku 1
#6064 Junichi Tamuki Dai Nippon Printing Co. 1
#6064 Yuichi Arisaka Sony 1
#6064 Tomoaki Okamura Ricoh Company 1
#6064 Keiji NOTSU Agc 1
#6064 Masayuki Murakoshi Subaru 1
#6064 Yuken Goto Sony 1
#6064 Masamichi Asano Kabushiki Kaisha Toshiba 1
#6064 Kazuaki Kubo Renesas Electronics 1
#6064 Noriyuki Itano Renesas Electronics 1
#6064 Akihisa Shimizu Kabushiki Kaisha Toshiba 1
#6064 Hisashi Yoneda Nippon Oil 1
#6064 Tomoyuki Tsunemi Arqule 1
#6064 Yusuke Ota Arqule 1
#6064 Fumika Nakajima Canon 1
#6064 Mihoko Ohkawa Toppan Printing Co. 1
#6064 Yoshio Muraoka Sony 1
#6064 Shinjiro Fujii Hitachi Chemical Company 1
#6064 Yuichiro Taira 1
#6064 Ikuko Taira 1
#6064 Yohei Mizuguchi Nippon Chemical Industrial Co. 1
#6064 Takehiro Itami Solar Frontier K.K. 1
#6064 Sadanao Manabe Daio Paper 1
#6064 Naoki Hongo Hitachi Kokusai Electric 1
#6064 Yusuke Matoba Kurita Water Industries 1
#6064 Yuta OHTSUKA Kurita Water Industries 1
#6064 Akimoto SUZUKI Mitsubishi Electric 1
#6064 Yasuharu Konishi Ntt Docomo 1
#6064 Ryuji Tonohori Citizen Watch Co. 1
#6064 Yoichi Nogami Mitsubishi Electric 1
#6064 Shinobu Fujihara IBM 1
#6064 Kazuhiro Kurisaki Mitsubishi Electric 1
#6064 Yoshitaka Ikitake Mitsubishi Electric 1
#6064 Koichi Nobori Gungho Online Entertainment 1
#6064 Naotaka Komatsu Ministry Of International Trade & Industry 1
#6064 Chihiro Yoshimura Hitachi 1
#6064 Tomohiro IMOTO Toppan Printing Co. 1
#6064 Masahiro Haruyama Oki Data 1
#6064 Shuhei Nakata Mitsubishi Electric 1
#6064 Kiriko Chosokabe Ricoh Company 1