Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2018, with 26,592 patents from 13,560 inventors. Leading employers of inventors based in Tokyo, JP include Ihi, Tdk, Canon.

Showing 13,151–13,200 of 13,560 inventors

Rank Inventor Primary Company Patents
#5246 Nobuyuki Honma Ihi 1
#5246 Katsuhiro Ishigaki Tdk 1
#5246 Takashi Nakahara Canon 1
#5246 Syunsuke Bamba Sony 1
#5246 Yuichiro Hanyu Japan Display 1
#5246 Keiji Toriyabe Kumiai Chemical Industry Co. 1
#5246 Kyohei Yamaguchi Mitsui Mining & Smelting Co. 1
#5246 Takuya Saeki Nippon Shokubai Co. 1
#5246 Taro Nakamura Kubota 1
#5246 Masahiro FUJIKAWA Omron 1
#5246 Hideyuki Okano Keio University 1
#5246 Hirokazu Shimizu Sumitomo Electric Industries 1
#5246 Byungha Chun Google 1
#5246 Shuhei Kobayashi Honda Motor Co. 1
#5246 Masakazu Ono Nec 1
#5246 Yusuke TAKEUCHI Ihi 1
#5246 Shinjiro Kaneko Jfe Steel 1
#5246 Koichiro Nakanishi Canon 1
#5246 Kazutaka Eto Sony 1
#5246 Yuri Mori Canon 1
#5246 Takuma Yamada Dainippon Screen Mfg. Co. 1
#5246 Shigeru Kawada Nec 1
#5246 Robert Paterson Nec 1
#5246 Makoto Yamashita Kabushiki Kaisha Toshiba 1
#5246 Yuji Kuroda Sony 1
#5246 Keisuke Takahashi Brother Kogyo 1
#5246 Masashi Fujita Semiconductor Energy Laboratory 1
#5246 Yukitaka Tanaka Japan Aviation Electronics Industry, Limited 1
#5246 Yoshitaka OZEKI Japan Display 1
#5246 Yoshikazu Kawabata Jfe Steel 1
#5246 Noriaki Takagi Sony 1
#5246 Hiroki Goto Nintendo Co. 1
#5246 Yoshiyasu Ito Toyota 1
#5246 Tatsuro Katsumura Jfe Steel 1
#5246 Kouki Wakabayashi Mitsubishi Chemical 1
#5246 Tatsuo Suzuki Toyoda Gosei Co. 1
#5246 Kenji Ishida Konica 1
#5246 Kenji Fukumoto Daicel 1
#5246 Shinichi Isobe Fanuc 1
#5246 Hiroyuki Fujiwara Oki Data 1
#5246 Takashi Kataoka Nippon Steel 1
#5246 Shunsuke Mizutani Brother Kogyo 1
#5246 Hiroshi Takemoto Ricoh Company 1
#5246 Yasuo Esaki Fuji-Davison Chemical 1
#5246 Masaki Kumagai Sumitomo Light Metal Industries 1
#5246 Makoto Konno Mitsumi Electric Co. 1
#5246 Tetsuya Taki Osram Opto Semiconductors Gmbh 1
#5246 Takashi Mutou Adeka 1
#5246 Yoshio Shinoda Nippon Soken 1
#5246 Kei Sakata Kawasaki Steel 1