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 Sumco, Oki Electric Industry Co., Fujitsu Limited.

Showing 10,551–10,600 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Shigeru Umeno Sumco 1
#6064 Yoshiki Shibuya Oki Electric Industry Co. 1
#6064 Masayuki Negoro Fujitsu Limited 1
#6064 Atsuhiro Yabuta Mitsubishi Electric 1
#6064 Yusuke MAKI Mitsubishi Electric 1
#6064 Kohei Nishiyama Nec 1
#6064 Jun Taniguchi Fujitsu Limited 1
#6064 Yuuya Saitou Ntt Docomo 1
#6064 Keisuke Kamitani Mitsubishi Electric 1
#6064 Fumie Kusaki Shin-Etsu Chemical Co. 1
#6064 Hiroaki Kuwano Nec 1
#6064 Osamu Soma Renesas Electronics 1
#6064 Kazuo Yano Hitachi 1
#6064 Kazuaki Utsumi Nec 1
#6064 Manabu Ikarashi Canon 1
#6064 Yosuke Aizawa Yamato 1
#6064 Hiroyuki Aoyama Hitachi 1
#6064 Naoto Oono Toppan Printing Co. 1
#6064 Kouichi Onodera Nec 1
#6064 Kentarou Fukuda IBM 1
#6064 Atsushi Terayama Yokogawa Electric 1
#6064 Yasuhira Nagakubo Hitachi High-Technologies 1
#6064 Hiroki Shionoya Mitsubishi Electric 1
#6064 Masahito Sato Astellas Pharma 1
#6064 Kazunori Kozawa Asahi Kasei Kabushiki Kaisha 1
#6064 Genzo Iwaki Hitachi Automotive Systems 1
#6064 Yuta Tsuboi IBM 1
#6064 Takuro Hori Sony 1
#6064 Minoru Midorikawa Nissan Motor Co. 1
#6064 Kenyu TANAKA Mitsubishi Electric 1
#6064 Toshihiro Eguchi Hitachi 1
#6064 Jun Okawa Agc 1
#6064 Yuusuke Ohsawa Max Co. 1
#6064 Hiroki Yoshihara Sumitomo Wiring Systems 1
#6064 Tomochika Fujioka Shiseido Company, Limited 1
#6064 Tetsuo Otsuka Agc 1
#6064 Takehiko Naruoka Jsr 1
#6064 Daisuke Shimamura Marelli 1
#6064 Koichiro Tani Unicharm 1
#6064 Tomotake Ogawa Ihi 1
#6064 Shuhei YOSHIKAWA Nikon 1
#6064 Michihiro Saito Hitachi High-Technologies 1
#6064 Naomichi Degawa Tdk 1
#6064 Junichiro Mataga Nec 1
#6064 Daisei Fujito Toppan Printing Co. 1
#6064 Shu Okasaka Sumitomo Bakelite Co. 1
#6064 Yasuyuki HITSUOKA Toppan Printing Co. 1
#6064 Kazuhisa Hasumi 1
#6064 Kazunori Aoki Anritsu 1
#6064 Junko Takabayashi Sony 1