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 Daiichi Sankyo Company, Limited, Mahle Filter Systems Japan, Sony.

Showing 13,701–13,750 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Kento Tanaka Daiichi Sankyo Company, Limited 1
#5815 Masahiro Ariyama Mahle Filter Systems Japan 1
#5815 Shinji Tashiro Sony 1
#5815 Fumihito Oka Hitachi 1
#5815 Satoki Watariuchi Canon 1
#5815 Yosuke Kaga Hitachi 1
#5815 Yuto MAKINO Daicel 1
#5815 Yukio Numakami Canon 1
#5815 Haruyoshi Sato Nippon Oil 1
#5815 Kohei Chike Ricoh Company 1
#5815 Takato KATAYAMA Asahi Kasei Microdevices 1
#5815 Takeshi Nishikawa Tcm 1
#5815 Manabu Ishii Toshiba Medical Systems 1
#5815 Yasushi Sonoda 1
#5815 Naoki Toyomura Ebara 1
#5815 Takuji Mochizuki Nec 1
#5815 Shuichi Takizawa Tdk 1
#5815 Syuhei Kobori Mitsubishi Electric 1
#5815 Hiroyoshi Okazaki Mitsubishi Electric 1
#5815 Tsuyoshi OSAGA Mitsubishi Electric 1
#5815 Ichiro Oda Shimadzu 1
#5815 Toshiaki HAMANO Ihi 1
#5815 Masaki Kamata Sony 1
#5815 Kazuyuki Shikama Sony 1
#5815 Ryusuke Kinoshita Mitsubishi Electric 1
#5815 Masashige Kimura Sony 1
#5815 Jo Masutani Mitsubishi Heavy Industries Compressor 1
#5815 Tomonori Nishino Japan Display 1
#5815 Takayuki Okuji Mitsubishi Motors 1
#5815 Kenji Sakane Dowa Electronics Materials Co. 1
#5815 Hiroko Tokoro The University Of Tokyo 1
#5815 Nobuyoshi Morimoto 1
#5815 Shinsuke Onoe Hitachi 1
#5815 Akira Tamakoshi Tohoku University 1
#5815 Daisuke Taga Fujitsu Component Limited 1
#5815 Masahito Matsumoto Sumitomo Chemical 1
#5815 Osamu Shirata Asahi Kasei Microdevices 1
#5815 Aritomo Kikuchi Advantest 1
#5815 Daisuke Matsuo Olympus 1
#5815 Yuji HIROSAWA Mitsubishi Electric 1
#5815 Yoshito Sasaki Alps Electric Co. 1
#5815 Hiroshi Oyamada Shin-Etsu Chemical Co. 1
#5815 Takashi Nagai GE 1
#5815 Kazuo Miwa Technomirai Co. 1
#5815 Naoto Tsuji Asm Ip Holding B.V. 1
#5815 Yuzuru Mizuhara Hitachi High-Technologies 1
#5815 Kenichi Kurihara Sony 1
#5815 Satoru Sugimoto Toyota 1
#5815 Minoru Tamada Murata Manufacturing Co. 1
#5815 Akira Tokuhisa Nikon 1