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 Hitachi, Sumida, Mitsubishi Electric.

Showing 13,001–13,050 of 13,113 inventors

Rank Inventor Primary Company Patents
#5101 Ko Takahashi Hitachi 1
#5101 Kentaro Masuda Sumida 1
#5101 Toyokazu Sugai Mitsubishi Electric 1
#5101 Kouichi Morikawa Oki Electric Industry Co. 1
#5101 Keiko Kondo Oji Paper Co. 1
#5101 Megumi Miyagawa 1
#5101 Mamoru Kamoshida Hitachi-Ge Nuclear Energy 1
#5101 Noboru Kiga Omron 1
#5101 Jiro Takami Nec Display Solutions 1
#5101 Kiyotaka Konno Nec 1
#5101 Taiki ARAI Oki Data 1
#5101 Takaki Nakazawa Sony 1
#5101 Tatsuya Kando Square Enix Co. 1
#5101 Shinji FUTAGAWA National Institute Of Advanced Industrial Science And Technology 1
#5101 Hirohumi Tanaka Nichia Kagaku Kogyo K.K. 1
#5101 Mitsugu Kajiwara Nippon Steel & Sumitomo Metal 1
#5101 Tatsuya Yamanokuchi Nippon Steel & Sumitomo Metal 1
#5101 Hiroyuki Nose Ihi 1
#5101 Ryohta Gotoh Ricoh Company 1
#5101 Noriaki Seto Canon 1
#5101 Kazuyuki Furuya Asahi Kasei Kabushiki Kaisha 1
#5101 Michinori Kawaguchi Hitachi High-Technologies 1
#5101 Hirotaka Onishi Mitsubishi Electric 1
#5101 Yojiro Shimada Fujitsu Limited 1
#5101 Kunihiro Matsubara Casio Computer Co. 1
#5101 Takaaki Takeshita Jx Nippon Oil & Energy 1
#5101 Tsutomu Yawata GE 1
#5101 Yui Sasajima Sony 1
#5101 Junichi Hosono Hitachi Construction Machinery Co. 1
#5101 Shingo Sawada Hitachi Construction Machinery Co. 1
#5101 Junji Maeda IBM 1
#5101 Takanori Enomoto Canon 1
#5101 Shinji Arihisa Asahi Kasei E-Materials 1
#5101 Shuichi Kitagawa Furukawa Electric Co. 1
#5101 Motoshige Suzuki Canon 1
#5101 Hiroyuki Kikkoji Sony 1
#5101 Sadaaki Miyamoto Nec 1
#5101 Hiromitsu Kasuya Nihon Kohden 1
#5101 Ryouichi Kataoka Hitachi 1
#5101 Ayako Moritomo Astellas Pharma 1
#5101 Dai Nozawa Taisho Pharmaceutical Co. 1
#5101 Yoneho Tabata Japan Atomic Energy Research Institute 1
#5101 Kazuo Asami Mitsubishi Electric 1
#5101 Nobuaki Shindou Astellas Pharma 1
#5101 Yutaka Kadode Aruze Gaming America 1
#5101 Kousei Sekigawa Rion Co. 1
#5101 Hisashi Uno Sony 1
#5101 Konosuke YAMAMOTO Mitsumi Electric Co. 1
#5101 Atsushi Irisawa Koki Holdings Co. 1
#5101 Mamoru Nakanishi NTT 1