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 Mitsubishi Electric, Sony, Hitachi.

Showing 10,951–11,000 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Madoka Baba Mitsubishi Electric 1
#6064 Toshiyuki NAKAYASU Mitsubishi Electric 1
#6064 Hitoshi Domon Sony 1
#6064 Hisashi Endou Hitachi 1
#6064 Tomohide Tsutsui Max Co. 1
#6064 Motoi NAKAHARA Mochida Pharmaceutical Co. 1
#6064 Tomoyuki Minami Ngk Insulators 1
#6064 Ryosuke Uehara Mitsubishi Hitachi Power Systems Environmental Solutions 1
#6064 Shuta Ito Dai Nippon Printing Co. 1
#6064 Keitaro Nakamura Nisshin Seifun Group 1
#6064 Wataru Tsutsumi Daiwa Seiko Co. 1
#6064 Kazuki OKOCHI Mitsubishi Electric 1
#6064 Takashi UMEZU Subaru 1
#6064 Naoki Numata Mitsubishi Electric 1
#6064 Kazuhisa Iwasaki Stanley Electric Co. 1
#6064 Shiki Hayamizu Mitsubishi Electric 1
#6064 Atsushi Tsumita Tdk 1
#6064 Yasuhiro Shiraki Hitachi 1
#6064 Toshiki Nonaka Nippon Steel & Sumitomo Metal 1
#6064 Yoshinao Kumagai National University Orporation Tokyo University Of Agriculture And Technology 1
#6064 Ryota Mase Nec 1
#6064 Akinori Koukitu National University Orporation Tokyo University Of Agriculture And Technology 1
#6064 Satoshi Kagami Dena Co. 1
#6064 Yuji Ebiike Mitsubishi Electric 1
#6064 Takahiro Matsuzawa Konica Minolta 1
#6064 Shogo Kataoka Jeol 1
#6064 Kunio Oishi Ebara 1
#6064 Tomonori Kumagai Fujitsu Limited 1
#6064 Kunihiro Takahashi 1
#6064 Hideyuki Ueda Panasonic 1
#6064 Yuko Yamauchi Taisho Pharmaceutical Co. 1
#6064 Takahiko NAGASAWA Tachi-S Co. 1
#6064 Isamu Kobori Tdk 1
#6064 Shinnosuke Osafune Mitsubishi Electric 1
#6064 Kazunobu Ogawa Dai Nippon Printing Co. 1
#6064 Osamu Iijima Oki Data 1
#6064 Hiroyuki Kagechika Research Foundation Itsuu Laboratory 1
#6064 Norifumi Hodohara Mitsubishi Electric 1
#6064 Shohei Kumeta Fujikura 1
#6064 Ryouta Yamane Terumo Kabushiki Kaisha 1
#6064 Kenji TANIYAMA Mitsubishi Electric 1
#6064 Masao Tsuyuzaki Hitachi 1
#6064 Go MATSUURA Zeon 1
#6064 Hidehito Sasaki Toshiba Tec Kabushiki Kaisha 1
#6064 Yuuji Oota Oki Electric Industry Co. 1
#6064 Hiroyuki Moritomo Astellas Pharma 1
#6064 Soichi KYO Bridgestone 1
#6064 Keisuke Washida IBM 1
#6064 Kazuya Higashi Mitsubishi Electric 1
#6064 Taro Ogawa Namba Press Works Co. 1