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 Japan Display, Terumo Kabushiki Kaisha, Tokyo Electron Limited.

Showing 13,851–13,900 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Yuichi Tsubaki Japan Display 1
#5815 Ryouta Yamane Terumo Kabushiki Kaisha 1
#5815 Teruyuki Hayashi Tokyo Electron Limited 1
#5815 Koichi Shiratori Sony 1
#5815 Shouichi Kimura Nippon Avionics Co. 1
#5815 Mio Fujioka Rakuten Group 1
#5815 Yuri Nishigami Rakuten Group 1
#5815 Shina Saito Tomy Company 1
#5815 Susumu OKUDA Mitsubishi Electric 1
#5815 Takuya Kitamaki Hitachi 1
#5815 Ryusuke Kagaya Honda Motor Co. 1
#5815 Kenji TANIYAMA Mitsubishi Electric 1
#5815 Terumichi Ochi Ricoh Company 1
#5815 Shintaro Ban National University Corporation Okayama University 1
#5815 Masao Tsuyuzaki Hitachi 1
#5815 Shingo Izumi Hitachi 1
#5815 Toyofumi Watanabe Nkk Co. 1
#5815 Tatsuya Ichijo Jxtg Nippon Oil & Energy 1
#5815 Takakazu Imai Tdk 1
#5815 Masanori Yoshikane Daicel 1
#5815 Motohiro Terao Sony 1
#5815 Takayuki Tonoi Tokyo University Of Science Foundation 1
#5815 Junpei Kido Stanley Electric Co. 1
#5815 Mana SHIMODE Zeon 1
#5815 Go MATSUURA Zeon 1
#5815 Yasuo Shirodai Konica Minolta 1
#5815 Daisuke Kurashima 3M 1
#5815 Esao Yamada Ebara 1
#5815 Akito Ishigaki Japan Aviation Electronics Industry, Limited 1
#5815 Tatsunori Yukimura Comcast 1
#5815 Kenichi IWASHITA Hitachi Chemical Company 1
#5815 Hidehito Sasaki Toshiba Tec Kabushiki Kaisha 1
#5815 Kenjiro IKEJIRI Adamant Namiki Precision Jewel Co. 1
#5815 Tomoki Sada Kddi 1
#5815 Masashi Daidoji Ykk 1
#5815 Yuuji Oota Oki Electric Industry Co. 1
#5815 Takahiro Komabayashi Honda Motor Co. 1
#5815 Kazuki Nemoto Fujifilm Wako Pure Chemical 1
#5815 Susumu Shimoura Riken 1
#5815 Changfang Zhou 1
#5815 Keiji Kanehara Azbil 1
#5815 Rie Tokuyama 1
#5815 Masashi HIRAHATAKE Mitsubishi Electric 1
#5815 Haizhen Li Asahi Kasei Microdevices 1
#5815 Hiroko Tada Hitachi 1
#5815 Takahiro Ushioda Sony 1
#5815 Masanari Koguchi Hitachi 1
#5815 Kenta Iyoki The University Of Tokyo 1
#5815 Yuya ABIKO Renesas Electronics 1
#5815 Hiroyuki Moritomo Astellas Pharma 1