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 National University Corporation Hokkaido University, Hitachi, Jeol.

Showing 12,751–12,800 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Toru Hagiwara National University Corporation Hokkaido University 1
#6064 Yuki ITABAYASHI Hitachi 1
#6064 Kazunori Tsukamoto Jeol 1
#6064 Takeru Kuroiwa Mitsubishi Electric 1
#6064 Manami Hiraide Oki Data 1
#6064 Kyoko Nozaki The University Of Tokyo 1
#6064 Yuta KUDO Nec 1
#6064 Ikuma Takahashi Nec 1
#6064 Yuya Goto Toyota 1
#6064 Kazuya Igarashi Canon 1
#6064 Gaku NAKANO Nec 1
#6064 Yuu Hasegawa Shinkawa 1
#6064 Yuka Enjoji Nec 1
#6064 Junya Okabe Nec 1
#6064 Yoichiro SUZUKI Denso 1
#6064 Denys Kanunikov Mujin 1
#6064 Norikazu Ota Tdk 1
#6064 Sota NISHIURA Paramount Bed Co. 1
#6064 Toshihide Suto Tdk 1
#6064 Kenji KIYA Nippon Mektron 1
#6064 Takahisa Kamikura Bridgestone 1
#6064 Hideo Sugimura Canon 1
#6064 Hiroki Izu Toyota 1
#6064 Kazuma Mori Shimano 1
#6064 Shohji Nagano Nippon Steel 1
#6064 Yoshihiro Koketsu Mitsubishi Electric 1
#6064 Takashi Nitta Seiko Epson 1
#6064 Taku Kondo Mitsubishi Electric 1
#6064 Keiichiro Juri Ricoh Company 1
#6064 Takahiro Konishi Ricoh Company 1
#6064 Kazuki Oono Gree Holdings 1
#6064 Kenta Ishii Toyota 1
#6064 Yasuhiro Kawase Mitsubishi Chemical 1
#6064 Kenji Okamura Sumitomo Wiring Systems 1
#6064 Daisuke MASHIMO Hitachi 1
#6064 Hitoshi Kaneko Ykk 1
#6064 Daisuke Kudo Sumitomo Rubber Industries 1
#6064 Kazuhiro Oomori Topcon 1
#6064 Yasushi Miyata Hitachi 1
#6064 Shigeru Unami Jfe Steel 1
#6064 Masahiro Murayama Canon 1
#6064 Hitoshi Kobayashi Kabushiki Kaisha Toshiba 1
#6064 Yuya Iida Fdk 1
#6064 Tsutomu Kurokawa Hitachi 1
#6064 Naoki Kaneko Shimadzu 1
#6064 Yasuhiko Yamagishi Japan Display 1
#6064 Tomonori Aoyama Kabushiki Kaisha Toshiba 1
#6064 Kentaro Daikoku Clarion Co. 1
#6064 Kenji Fujiwara Mitsubishi Electric 1
#6064 Junpei Hokari 1