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 Furukawa Electric Co., Tdk, Komatsu.

Showing 13,851–13,900 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Satoko Yamoto Furukawa Electric Co. 1
#6064 Shogo Kadota Tdk 1
#6064 Taito Fujita Komatsu 1
#6064 Kiyoyuki Fukui Sumitomo Metal Industries 1
#6064 Takehiko Kai Taiyo Yuden Co. 1
#6064 Shinichi Amano Ihi 1
#6064 Akihiro Imamura Sony 1
#6064 Katsunori Hashimoto Sony 1
#6064 Masaya Hirano Zeon 1
#6064 Yasunori Okada Genefrontier 1
#6064 Masao Akashi Mitsubishi Electric 1
#6064 Tetsuyuki Sakamoto Olympus 1
#6064 Naoya SAWAKI Nippon Steel Chemical 1
#6064 Nonoka OSHIMA Toppan Printing Co. 1
#6064 Yutaka Ezaki Fujitsu Limited 1
#6064 Yunyun Cao Panasonic 1
#6064 Nobutaka Yanagidani Ihi 1
#6064 Hirohisa Izumo Hitachi 1
#6064 Akio Sonobe Jfe Steel 1
#6064 Hideaki Tabuse Taisho Pharmaceutical Co. 1
#6064 Takamichi Kobayashi National Institute For Materials Science 1
#6064 Hidetoshi Ohkubo Tamagawa University And Tamagawa Academy 1
#6064 Ryo Takaoka Sony 1
#6064 Ikuhisa Ichimura Kao 1
#6064 Takanori TAKII Softbank 1
#6064 Hidekazu Ono Mitsubishi Electric 1
#6064 Ruoyi Ye Gree Holdings 1
#6064 Naoya FUKUCHI Toshiba Memory 1
#6064 Yoshihiro ZENNYOJI Riken Technos 1
#6064 Yuichi Kamijo Showa Denko K.K. 1
#6064 Satoshi Ogitani Nissin Kogyo Co. 1
#6064 Kenichiro Yashiki Photonics Electronics Technology Research Association 1
#6064 Kazuki Akagawa King Jim Co. 1
#6064 Koichi Koseki Anaeropharma Science 1
#6064 Misato Abe Mitsumi Electric Co. 1
#6064 Hiroshi Ooki Nikon 1
#6064 Hiroyuki Takesue Hitachi Kokusai Electric 1
#6064 Atsushi Miyashita Hitachi Denshi 1
#6064 Kenichi Takayama Fanuc 1
#6064 Tsuyoshi Tsukada Hitachi 1
#6064 Takahiro Iihoshi Nec 1
#6064 Satoru Iwasaki Oki Electric Industry Co. 1
#6064 Risa NODERA Seikagaku 1
#6064 Nobuhito Mori Hitachi 1
#6064 Masaoki Ino Mitsubishi Electric 1
#6064 Tomohiro Hieda Mitsubishi Electric 1
#6064 Kiyomi Ema Nissan Chemical Industries 1
#6064 Tsutomu Sasamoto Olympus Medical Systems 1
#6064 Hideaki Arisawa Mitsubishi Heavy Industries Machine Tool Co. 1
#6064 Norio Miyake Nikon 1