Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2019, with 30,927 patents from 15,298 inventors. Leading employers of inventors based in Tokyo, JP include Canon, Olympus, Toyota.

Showing 14,201–14,250 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Takashi Enokuchi Canon 1
#6064 Ryusuke Tsuchida Olympus 1
#6064 Yoshinori Yamamori Toyota 1
#6064 Kiichi Yamazaki Mitsubishi Materials 1
#6064 Toru Igami Sony 1
#6064 Katsuyuki Sumimoto Mitsubishi Electric 1
#6064 Tsugio Sudou Komatsu 1
#6064 Maasa Ito Canon 1
#6064 Hidenobu TOCHIGI Azbil 1
#6064 Ryutaro Nishiura Acd 1
#6064 Satoi KOBAYASHI Mitsubishi Electric 1
#6064 Hirotaka UEKI Kabushiki Kaisha Toshiba 1
#6064 Nobuyuki Suga Cosmo Instruments Co. 1
#6064 Akiko Goto Mitsubishi Electric 1
#6064 Taketo HASHIMOTO Riken Technos 1
#6064 Toyosei Aota Mitsubishi Electric 1
#6064 Takanori Shoji Bridgestone 1
#6064 Shin'ichi Houshuyama Schlumberger Technology 1
#6064 Daisuke Nagafuchi Stanley Electric Co. 1
#6064 Yoshifumi Saeki Pioneer Electronic 1
#6064 Michihito Nozokido Zoom 1
#6064 Ryohta Niiya Nippon Steel 1
#6064 Koichi Umetsu Mitsubishi Electric 1
#6064 Lisa Yamauchi Japan Science And Technology Agency 1
#6064 Eri Okazaki Showa Denko K.K. 1
#6064 Kaori Shirahata Hitachi High-Technologies 1
#6064 Luca Bartolomeo Stmicroelectronics. Kk 1
#6064 Kazuo Eguchi Tokyo Electron Limited 1
#6064 Hiroyuki Tomonaga Asahi Glass Co. 1
#6064 Fuyuki Miyazawa Taiyo Yuden Co. 1
#6064 Katsuhiro Oyama Taiyo Yuden Co. 1
#6064 Naoyuki Umezu Mitsubishi Hitachi Power Systems 1
#6064 Shuhei Kuroki Mitsubishi Hitachi Power Systems 1
#6064 Yoshiyuki Sugai Akebono Brake Industry Co. 1
#6064 Hirohisa Usami Max Co. 1
#6064 Jun Utsumi Mitsubishi Electric 1
#6064 Motohiro Watanabe Dowa Thermotech Co. 1
#6064 Osamu Torigoe Hitachi 1
#6064 Kazuya Arahira Asahi Shipping Co. 1
#6064 Rikikazu Hayashi Mitsubishi Electric 1
#6064 Nobuyuki Hanai Toyo Aerosol Industry Co. 1
#6064 Shogo Sawai Morpho 1
#6064 Kunio Yoshikawa Ntt Docomo 1
#6064 Hiroko Mano Ricoh Company 1
#6064 Yuta TEZUKA Kyowa Hakko Kirin Co. 1
#6064 Katsuyoshi Kumano Unknown 1
#6064 Harunori Narihiro Toyo Ink Co. 1
#6064 Ryu Ohta Tdk 1
#6064 Yoshihiro Toyohara Hitachi 1
#6064 Shuichi Eguchi Mahle Filter Systems Japan 1