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 Mazda Motor, Canon, Tdk.

Showing 13,251–13,300 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Kazuhiro Ito Mazda Motor 1
#5815 Takeshi Arimitsu Canon 1
#5815 Naoyoshi Yoshida Tdk 1
#5815 Keiji Ueda Ricoh Company 1
#5815 Atsushi Kuwahara Riken 1
#5815 Kazuaki Umekawa Canon 1
#5815 Ken Shirasaki Ricoh Company 1
#5815 Shunsuke Noichi Japan Display 1
#5815 Naoki Isoda Canon 1
#5815 Toshiaki Omata Yokogawa Electric 1
#5815 Mikio Bando Hitachi Construction Machinery Co. 1
#5815 Takayuki Morioka Mitsubishi Electric 1
#5815 Masaki Nanko Resonac 1
#5815 Naoto Kaguchi Mitsubishi Electric 1
#5815 Yuji Sakai Kabushiki Kaisha Toshiba 1
#5815 Kenta MOTOYOSHI Mitsubishi Electric 1
#5815 Atsushi Kawashima Mitsubishi Electric 1
#5815 Kazuaki Hiyama Mitsubishi Electric 1
#5815 Daisuke Hirayama Mitsubishi Electric 1
#5815 Kei Kuwabara NTT 1
#5815 Toshiyuki Gohto Audio-Technica 1
#5815 Anshul BHATT Rakuten Mobile 1
#5815 Yusuke Inoue Honda Motor Co. 1
#5815 Takuji Yoshida Oki Electric Industry Co. 1
#5815 Hiroshi USHIRODA Sony 1
#5815 Koichi Hayakawa Terumo Kabushiki Kaisha 1
#5815 Keiji Shioda Olympus 1
#5815 Eisuke Horii Honda Motor Co. 1
#5815 Akeshi Takahashi Hitachi 1
#5815 Akira Saguchi Fdk 1
#5815 Masaki Shiraishi Renesas Electronics 1
#5815 Masaaki Sueoka Kyoraku Co. 1
#5815 Kazutomo Miyazaki Ebara 1
#5815 Ryo Katada Idemitsu Unitech Co. 1
#5815 Makoto Onodera Hitachi 1
#5815 Tetsu Kamiya Meiji Co. 1
#5815 Koji Kido Mayekawa Mfg. Co. 1
#5815 Kota Miyoshi Hitachi 1
#5815 Daisuke Ogino Aisin Aw Co. 1
#5815 Shoji Muramatsu Hitachi 1
#5815 Tomoaki Eto Yokogawa Electric 1
#5815 Yasushi Yoshikawa Seiko Epson 1
#5815 Ryo Yashiro Canon 1
#5815 Takafumi Betsui Renesas Electronics 1
#5815 Daiki Ishii Tdk 1
#5815 Koichiro Hirayama Mitsubishi Kasei 1
#5815 Kenichi Okajima Hitachi 1
#5815 Masamitsu Watanabe NTT 1
#5815 Hayato Hoshino Mitsubishi Electric 1
#5815 Konami Izumi Semiconductor Energy Laboratory 1