Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2016, with 25,606 patents from 13,113 inventors. Leading employers of inventors based in Tokyo, JP include Mitsubishi Electric, Taisho Pharmaceutical Co., Hoya.

Showing 13,101–13,113 of 13,113 inventors

Rank Inventor Primary Company Patents
#5101 Hiroki Ebina Mitsubishi Electric 1
#5101 Tsuyoshi Shibata Taisho Pharmaceutical Co. 1
#5101 Masafumi Ishiyama Hoya 1
#5101 Masayoshi Morita Sony 1
#5101 Shunsuke Goto Ngk Spark Plug Co. 1
#5101 Ryou Katou Japan Aviation Electronics Industry, Limited 1
#5101 Hiroyuki Okazaki Aisin Seiki Kabushiki Kaisha 1
#5101 Keiji Fujikawa Mitsubishi Electric 1
#5101 Kenta Hayashi Dai Nippon Printing Co. 1
#5101 Koichiro Nagata Hitachi 1
#5101 Kensuke Kato Canon 1
#5101 Wataru Yamazaki Mitsubishi Electric 1
#5101 Takaki NARITA Aruze Gaming America 1