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 Fujifilm, Ricoh Company, Zeon.

Showing 13,401–13,450 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Toshita Hara Fujifilm 1
#5439 Masahiro Ishimori Ricoh Company 1
#5439 Hiroaki Shindo Zeon 1
#5439 Kazuo Henmi Renesas Electronics 1
#5439 Yasue Shibata Sbi Biotech Co. 1
#5439 Lochlainn Wilson Fove 1
#5439 Koji Ishida Sbi Biotech Co. 1
#5439 Mayuki Endo Sbi Biotech Co. 1
#5439 Fumitaka Baba Tdk 1
#5439 Tomohiro Moriyama Hitachi 1
#5439 Kunikazu Ohnishi Hitachi 1
#5439 Kiyoshi Yoneda Sanyo Electric Co. 1
#5439 Makiko Uehara Nec 1
#5439 Akihiro Furusawa Nippon Chemi-Con 1
#5439 Hirobumi Toyoda Comcast 1
#5439 Rie Katakura Konica Minolta 1
#5439 Akihiro Sawata Mitsubishi Electric 1
#5439 Hiroto Kokubun Hitachi Medical 1
#5439 Akira Seki Sumitomo Metal Industries 1
#5439 Akihiro Il Tdk 1
#5439 Akihiko Kojima Nippon Steel 1
#5439 Koichi Masuo Mitsubishi Electric 1
#5439 Takashi Ishide Mitsubishi Electric 1
#5439 Noriaki Sumita Nec Network And Sensor Systems 1
#5439 Seiki Kato Mitsubishi Electric 1
#5439 Keisuke Aoki Sony 1
#5439 Tetsuro Makise Sony 1
#5439 Koichi Yamazaki Kowa Company 1
#5439 Norimichi Hiwasa Mitsubishi Electric 1
#5439 Shugo Akiyama Topcon 1
#5439 Jun KAWAJI Hitachi 1
#5439 Yusuke Terazawa Jfe Steel 1
#5439 Nobuyuki Kishi Ricoh Company 1
#5439 Shohei Chiashi The University Of Tokyo 1
#5439 Kazuhiko Haruta Zenyaku Kogyo Co. 1
#5439 Naonori Nagai Mitsubishi Electric 1
#5439 Yukihiro Shibata Hitachi High-Technologies 1
#5439 Takamitsu NAKABAYASHI Toppan Printing Co. 1
#5439 Takayuki Takeda Sony 1
#5439 Yutaka Kishida Siltronic Ag 1
#5439 Hideki Narushima Canon 1
#5439 Yuki Kondoh Renesas Electronics 1
#5439 Yasuharu Amezawa Fujitsu Limited 1
#5439 Yuji Shibata Fujitsu Limited 1
#5439 Mitsuru Fujita Denso 1
#5439 Shinichi Shinoda 1
#5439 Tatsuya Hirata Daikin Industries 1
#5439 Shinya Naoi Konica Minolta 1
#5439 Kenichi TAKUBO Tdk 1
#5439 Keisuke Ono Toshiba Lighting & Technology 1