Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2020, with 29,522 patents from 14,393 inventors. Leading employers of inventors based in Tokyo, JP include Nippon Steel, Hitachi Chemical Company, Agc.

Showing 13,551–13,600 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Kohichi Sano Nippon Steel 1
#5815 Yuuhei Okada Hitachi Chemical Company 1
#5815 Makoto Uno Agc 1
#5815 Yasuyuki Fujiya Mitsubishi Electric 1
#5815 Yuji Konyuba Jeol 1
#5815 Yasuyuki Motoshima Ebara 1
#5815 Kazumi Fujikura 1
#5815 Kentaro Kato Honda Motor Co. 1
#5815 Yumi Kataoka Sony 1
#5815 Katsutoshi SUGAWARA Mitsubishi Electric 1
#5815 Yoshimasa Taniguchi Kirin Holdings Kabushiki Kaisha 1
#5815 Eisaku Sasaki Nec 1
#5815 Takahiro Ishii Sumitomo Chemical 1
#5815 Hiroto IWAI Kyowa Kirin Co. 1
#5815 Jun Nitta Canon 1
#5815 Kentaro Abe Hitachi 1
#5815 Jinhee Byon Ihi 1
#5815 Yusuke Akizuki Screen Holdings Co. 1
#5815 Keita Akiyama Stanley Electric Co. 1
#5815 Yuya Hara Denso 1
#5815 Kazunori Ochiai Pioneer 1
#5815 Kenji Hirai Nippon Paper Industries Co. 1
#5815 Naoki MURAZAWA Disco 1
#5815 Nobuyuki Sugii Hitachi 1
#5815 Tetsuya Ishimaru Renesas Electronics 1
#5815 Takao Fujiwara Sysmex 1
#5815 Shogo Tamaki Mitsubishi Electric 1
#5815 Hirohito Mukai Panasonic 1
#5815 Tomonari Murakami Sony 1
#5815 Atsushi Nagate Softbank 1
#5815 Ryoji Miyatake Mitsubishi Electric 1
#5815 Yutaka Kiyosawa Neturen Co. 1
#5815 Yoichi Nishida Panasonic 1
#5815 Kanji Hayashi Mitsubishi Mining 1
#5815 Kazuki Murata Canon 1
#5815 Toshiyuki Hiroi Sony 1
#5815 Yusuke Oshima Autonetworks Technologies 1
#5815 Banri Fukuyama Shoei Co. 1
#5815 Naoko Watazawa Canon 1
#5815 Takuya OSAWA Sumitomo Rubber Industries 1
#5815 Takehiko Ito Mitsuboshi Belting 1
#5815 Satoshi OGAMI Agc 1
#5815 Takahiro Kato Canon 1
#5815 Takeshi Mizumoto Honda Motor Co. 1
#5815 Ryuichiro ISHITANI The University Of Tokyo 1
#5815 Daisuke Mochizuki Sony 1
#5815 Kunihiro Nishimura 1
#5815 Yoshiaki Zaizen Jfe Steel 1
#5815 Risa Kimura Ebara 1
#5815 Masahiro Fujihara Sony 1