Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2017, with 27,234 patents from 13,570 inventors. Leading employers of inventors based in Tokyo, JP include Fujitsu Limited, Renesas Electronics, Yamaha.

Showing 12,851–12,900 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Masuhito Tanaka Fujitsu Limited 1
#5439 Masaya Kawano Renesas Electronics 1
#5439 Masaki Katayama Yamaha 1
#5439 Hideki Sawada Rohm Co. 1
#5439 Toshimitsu Tsuboi Sony 1
#5439 Yasushi Masahiro Shin-Etsu Polymer Co. 1
#5439 Toru Miyazaki Kabushiki Kaisha Toshiba 1
#5439 Tomona Yamaguchi Canon 1
#5439 Yuusuke Shibasaki Ricoh Company 1
#5439 Go Ito Kabushiki Kaisha Toshiba 1
#5439 Umberto Paoletti Hitachi 1
#5439 Kenichi Seta Sony 1
#5439 Masatoshi Ishii Fujitsu Limited 1
#5439 Atsushi Asai Sony 1
#5439 Takuya Narihira Sony 1
#5439 Takahiro Mochizuki Sony 1
#5439 Takeshi Kawachi Nippon Steel 1
#5439 Tsuyoshi Minakawa Hitachi 1
#5439 Tomonari Murakami Sony 1
#5439 Tetsuya Ishimaru Renesas Electronics 1
#5439 Nobuyuki Sugii Hitachi 1
#5439 Hiroaki Hasegawa Tdk 1
#5439 Takahiro Ide Ricoh Company 1
#5439 Kouji Nakahara Oclaro Japan 1
#5439 Shuichi Goto Idemitsu Unitech Co. 1
#5439 Hideki Noda Fujitsu Limited 1
#5439 Kazunori Ochiai Pioneer 1
#5439 Keita Akiyama Stanley Electric Co. 1
#5439 Kentaro Ida Sony 1
#5439 Kentaro Abe Hitachi 1
#5439 Satoru Ishii Nec 1
#5439 Shinichiro Abe Sony 1
#5439 Manabu Kobayashi Yamaha Motor 1
#5439 Katsutoshi SUGAWARA Mitsubishi Electric 1
#5439 Eisaburo Itakura Sony 1
#5439 Hiromi Aso Mitsubishi Chemical 1
#5439 Takayuki Shindo The Pokemon 1
#5439 Kentaro Kato Honda Motor Co. 1
#5439 Kazumi Fujikura 1
#5439 Yuji Konyuba Jeol 1
#5439 Tsuyoshi Kawai National University Corporation Nara Institute Of Science And Technology 1
#5439 Tadashi Koga Nec 1
#5439 Atsushi Ando Kabushiki Kaisha Toshiba 1
#5439 Toshio Shinoki Mitsubishi Electric 1
#5439 Yuko Sasaki Hitachi High-Technologies 1
#5439 Kenichi Machida Honda Motor Co. 1
#5439 Yasuhiko Iwamoto Canon 1
#5439 Yuya Yoshida Eizo 1
#5439 Yusuke TANIGUCHI Ishihara Sangyo Kaisha 1
#5439 Keiji Takizawa Seiko Epson 1