Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2011, with 21,999 patents from 11,174 inventors. Leading employers of inventors based in Tokyo, JP include Seiko Epson, Dai Nippon Printing Co., Nec.

Showing 10,101–10,150 of 11,174 inventors

Rank Inventor Primary Company Patents
#4279 Kon Ko Seiko Epson 1
#4279 Naoya Hayashi Dai Nippon Printing Co. 1
#4279 Takamaro Kikkawa Nec 1
#4279 Kiyoshi Hatanaka Tdk 1
#4279 Kengo Okazaki Japan Display 1
#4279 Atsushi Honzawa Hitachi 1
#4279 Makoto Nishihara Hitachi High-Technologies 1
#4279 Masahide Matsubara Nsk 1
#4279 Toyomichi Shimada Asahi Glass Co. 1
#4279 Katsuya Iwano Nippon Steel 1
#4279 Toshihide Noguchi Mitsubishi Electric 1
#4279 Yoshihiko Kawai Takata 1
#4279 Fumio Jinno Oji Holdings 1
#4279 Kenji Samejima Mitsubishi Electric 1
#4279 Takayuki Matsuzuka Mitsubishi Electric 1
#4279 Nobuyoshi Fujisaki Nippon Tsusho Kabushiki Kaisha 1
#4279 Tsuyoshi Arigane Renesas Electronics 1
#4279 Hikaru Deguchi Mekiki Creates Co. 1
#4279 Yutaka Osawa Asahi Kasei Pharma 1
#4279 Michitaro Miyata Nec 1
#4279 Yoshio Seki Sumitomo Electric Industries 1
#4279 Natsuki Yokoyama Hitachi 1
#4279 Sumio Yokomitsu Panasonic 1
#4279 Katsutoshi Shibayama Tsubakimoto Chain 1
#4279 Yukiko Hirabayashi Hitachi 1
#4279 Kenichi Meguro HGST 1
#4279 Michitaka Okuno Hitachi 1
#4279 Takamasa NIWA Konica Minolta 1
#4279 Katsuya Yagi Konica 1
#4279 Yuko Saya Tdk 1
#4279 Saori Okada Toppan Printing Co. 1
#4279 Yukinori Maeda Komatsu 1
#4279 Yuji Saitou Sony 1
#4279 Masami Aiura Freeescale Semiconductor 1
#4279 Taichi Obara Mitsubishi Electric 1
#4279 Takashi Iimori Nissan Motor Co. 1
#4279 Katsuhiro Torii Renesas Electronics 1
#4279 Yugang Guo Ebara 1
#4279 Kojiro Abe Mitsubishi Gas Chemical Company 1
#4279 Kuniaki Horie Ebara 1
#4279 Takeshi Suganuma Denso 1
#4279 Akihisa Nagami Hitachi 1
#4279 Takao Hayakawa Unknown 1
#4279 Hideki Tokimoto Mitsubishi Electric 1
#4279 Sumi Kawabata Renesas Electronics 1
#4279 Saki Kawai Bandai Co. 1
#4279 Momoe Futagi Shiseido Company, Limited 1
#4279 Tamae Okano Shiseido Company, Limited 1
#4279 Itsuro Morita Kokusai Denshin Denwa Co. 1
#4279 Maiko Asada Nec 1