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 Nippon Steel, Nec, Juntendo Educational Foundation.

Showing 10,801–10,850 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Shinsuke Kai Nippon Steel 1
#6064 Yuuki Momokawa Nec 1
#6064 Izumi Sugahara Juntendo Educational Foundation 1
#6064 Momosuke Nakahara Fujitsu Component Limited 1
#6064 Yuki HIRAYAMA Merck 1
#6064 Toshiki Ando Nhk Spring Co. 1
#6064 Koki NARITA Renesas Electronics 1
#6064 Jun Fujiyoshi Japan Display 1
#6064 Yutaka KUROIWA Agc 1
#6064 Marie YOSHIKIYO The University Of Tokyo 1
#6064 Shin-ichi Ohkoshi The University Of Tokyo 1
#6064 Tetsuya KAWAHITO Dowa Electronics Materials Co. 1
#6064 Kouichi Masuda Panasonic 1
#6064 Shumpei Takeuchi Japan Display 1
#6064 Akito Kaneko Thk Co. 1
#6064 Yasuhiro Shobayashi Biomedical Solutions 1
#6064 Shinichi FUKUEN Asahi Kasei Kabushiki Kaisha 1
#6064 Tadatomi Ishigami Mitsubishi Electric 1
#6064 Masatoshi Fujii Mitsubishi Electric 1
#6064 Masakazu Fukuda Sysmex 1
#6064 Yuto Matsuoka Ricoh Company 1
#6064 Yoshiyuki Higo Gree Holdings 1
#6064 Yousuke IMAGAWA Mitsubishi Gas Chemical Company 1
#6064 Takehiro Nishi Toppan Printing Co. 1
#6064 Akihiko Saito Mitsubishi Electric 1
#6064 Shuichi Aoki Nippon Hoso Kyokai 1
#6064 Yusuke Naito Mitsubishi Electric 1
#6064 Yasuki Aihara Mitsubishi Electric 1
#6064 Yuji Yoshitomo Mitsubishi Electric 1
#6064 Kentaro Sako Asahi Kasei Kabushiki Kaisha 1
#6064 Yasunobu Kawasaki Sony 1
#6064 Daisuke Inomata Oki Electric Industry Co. 1
#6064 Motohiro Tanaka Hitachi High-Technologies 1
#6064 Takeshi Iizumi Ebara 1
#6064 Ryo Shinoda Honda Motor Co. 1
#6064 Hiroki Ishizuki Satake 1
#6064 Kohei Nishiguchi Mitsubishi Electric 1
#6064 Reijiro Shimura Japan Advanced Institute Of Science And Technology 1
#6064 Kumiko Tadano Nec 1
#6064 Keiichiro Saito Canon 1
#6064 Takeshi Miyai Sony 1
#6064 Haruhi Ando Takeda Pharmaceutical Company Limited 1
#6064 Shinichi Kai Sony 1
#6064 Yusuke OJIMA Renesas Electronics 1
#6064 Ichiro Watanabe Daiichi Sankyo Company, Limited 1
#6064 Shunichi Otsuka Nippon Steel 1
#6064 Kazuaki TERASHIMA Renesas Electronics 1
#6064 Sachihiro Iida Kawasaki Steel 1
#6064 Masahiro Okamoto Fujikura 1
#6064 Tsukasa Sato Tdk 1