Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Narita, JP ranks #4,015 worldwide for total patents filed in 2021, with 28 patents from 15 inventors. Leading employers of inventors based in Narita, JP include Sony, Mitsubishi Hitachi Tool Engineering, Furukawa Electric Co..

Showing 1–15 of 15 inventors

Rank Inventor Primary Company Patents
1 Toshiyuki Nakagawa Sony 5
2 Kenji Nagafuchi Mitsubishi Hitachi Tool Engineering 4
2 Yasuhiro Kiuchi Mitsubishi Hitachi Tool Engineering 4
#4 Yuichi Kimura Furukawa Electric Co. 3
#5 Syoujirou Touma Moldino Tool Engineering 2
#6 Masashi Noshita Mitsubishi Hitachi Tool Engineering 1
#6 Masakazu Isaka Moldino Tool Engineering 1
#6 Takahisa Kogure Research Institute Of Innovative Technology For The Earth 1
#6 Yuuzoh Fukunaga Hitachi Tool Engineering 1
#6 Takako Fukuyama Otis Elevator 1
#6 Yukiteru Sugiyama Kao 1
#6 Takero Kobari Otis Elevator 1
#6 Ichiro Mamba 1
#6 Mari Masuno Kokyu Alcohol Kogyo Co. 1
#6 Katsutomo Ohzeki Showa Denko Materials Co. 1