Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2017, with 27,234 patents from 13,570 inventors. Leading employers of inventors based in Tokyo, JP include Ebara, Akebono Brake Industry Co., Astellas Pharma.

Showing 12,501–12,550 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Ryuichi Kosuge Ebara 1
#5439 Shigenori Matsumoto Akebono Brake Industry Co. 1
#5439 Eriko Honjo Astellas Pharma 1
#5439 Yoshiaki Hasebe Organo 1
#5439 Nobuyoshi Yoshida Canon 1
#5439 Yasushi Yoda Sanyo Denki Co. 1
#5439 Takuro Kanazawa Hitachi Automotive Systems 1
#5439 Takeshi Yabuta Nippon Sheet Glass Company, Limited 1
#5439 Tomoyuki Inoue Canon 1
#5439 Yuji Kamei Japan Aviation Electronics Industry, Limited 1
#5439 Yoshihiko Nakamura Panasonic 1
#5439 Takeshi Asada Shindengen Electric Manufacturing Co. 1
#5439 Masato Naka Toshiba Memory 1
#5439 Takanori Fujisawa Nec 1
#5439 Takuya Miyashita Fujitsu Limited 1
#5439 Toru Otsuka Kabushiki Kaisha Toshiba 1
#5439 Makoto Hosaka Hitachi Consumer Electronics Co. 1
#5439 Shigeru Hata Mitsubishi Electric 1
#5439 Masaaki Iwakura Tdk 1
#5439 Takaaki Sakimura Kyoraku Co. 1
#5439 Junpei Omura Lotte Co. 1
#5439 Daisuke Shinagawa Nippon Steel & Sumitomo Metal 1
#5439 Shinei Takahashi Subaru 1
#5439 Yu ITABASHI Subaru 1
#5439 Tetsuya Kohno Sony 1
#5439 Youhei KOYANAGI Mitsubishi Electric 1
#5439 Toru Kanemori Mitsubishi Electric 1
#5439 Shin-ichi Isobe Ntt Docomo 1
#5439 Hiroshi Miyaoka Nissan Motor Co. 1
#5439 Yasuyuki Moroishi Toyo Ink Sc Holdings Co. 1
#5439 Kota SUGAYA Olympus 1
#5439 Yasuyuki Kuroda Metawork 1
#5439 Mikio Kiura Canon 1
#5439 Hiroto Chiba Dexerials 1
#5439 Mizuyuki SAKAI Kurita Water Industries 1
#5439 Kiyonori Kushioka Mitsubishi Hitachi Power Systems 1
#5439 Yutaka Hosokane Kyodo Printing Co. 1
#5439 Takashi Urano Tdk 1
#5439 Gentaro Matsuoka Oki Electric Industry Co. 1
#5439 Kumi Aoki Mitsubishi Electric 1
#5439 Masaki Furutani Canon 1
#5439 Yoshihiko Kudo Nikon 1
#5439 Gen Motoyoshi Nec 1
#5439 Shoji Kogo Konica Minolta 1
#5439 Toshio Wakayama Mitsubishi Electric 1
#5439 Norio Takeda Mitsubishi Gas Chemical Company 1
#5439 Yuuji Sasaki Sony 1
#5439 Naoyuki Kishikawa Mitsubishi Electric 1
#5439 Tatsuro Sawatari Taiyo Yuden Co. 1
#5439 Ken Iwakura Fujitsu Limited 1