Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2016, with 25,606 patents from 13,113 inventors. Leading employers of inventors based in Tokyo, JP include Elpida Memory, Sony, Oki Data.

Showing 12,501–12,550 of 13,113 inventors

Rank Inventor Primary Company Patents
#5101 Kenji Komeda Elpida Memory 1
#5101 Emiko Ikeda Sony 1
#5101 Taishi Takeda Oki Data 1
#5101 Kimihiko Maehata Mitsubishi Electric 1
#5101 Yasuhisa Shiraishi Hitachi Displays 1
#5101 Ryo Oikawa Canon 1
#5101 Daisuke Nakao Sony 1
#5101 Gen Matsushima Citizen Holdings Co. 1
#5101 Isao Yamaguchi Tanabe Seiyaku Co. 1
#5101 Goro Terumichi Modulex 1
#5101 Atsushi Sugihashi Nippon Steel 1
#5101 Shunsuke Sakurai Dowa Electronics Materials Co. 1
#5101 Shinsuke Miyabe Nippon Chemical Industrial Co. 1
#5101 Yutaka Kinose Nippon Chemical Industrial Co. 1
#5101 Kayoko Shibata Elpida Memory 1
#5101 Daisaku Seki Nichia 1
#5101 Hiromichi Nakamoto Mitsubishi Heavy Industries Machinery Systems 1
#5101 Eitaro Ishimura Mitsubishi Electric 1
#5101 Masahiro Ootsuka Canon 1
#5101 Yutaka Karasawa Ziosoft 1
#5101 Atsujiro Ishii Olympus Optical Co. 1
#5101 Megumu Sekiguchi Ricoh Company 1
#5101 Yusaku Inaba Kureha 1
#5101 Hideaki Koizumi Hitachi 1
#5101 Tadaaki Kimijima Sony 1
#5101 Takeshi Sakata Hitachi 1
#5101 Shuhei Mikami Hoya 1
#5101 Ayumi Mamada Ihi 1
#5101 Ruriko Yamawaki Ihi 1
#5101 Yasuhiro Ookawa Dai Nippon Printing Co. 1
#5101 Keisuke Shibayama Sumitomo Metal Mining Co. 1
#5101 Katsuyuki Mitomo Perseus Proteomics 1
#5101 Yoshitomo Asano Mitsubishi Electric 1
#5101 Jinichi Sakamoto Fdk 1
#5101 Sakae Sugimori Takata 1
#5101 Katsuo Kato Japan Tobacco 1
#5101 Masahiro CHIDA Japan Tobacco 1
#5101 Yoshiro Nakata Sumitomo Electric Industries 1
#5101 Takuya Ookawa Kabushiki Kaisha Toshiba 1
#5101 Kei Goto Mitsubishi Electric 1
#5101 Tetsuya Suzuki Daiichi Sankyo Company, Limited 1
#5101 Takaharu Ishida Hitachi 1
#5101 Kuniaki Arai Ricoh Company 1
#5101 Toshihiro Noda Mitsubishi Electric 1
#5101 Ryo Mizoguchi Astellas Pharma 1
#5101 Hirokazu Ohno Asahi Kasei Chemicals 1
#5101 Tomohiro Niihama Asahi Kasei Chemicals 1
#5101 Hisashi Oosawa Kabushiki Kaisha Toshiba 1
#5101 Yoshikiyo Kato Google 1
#5101 Yukihiro Sasazaki Sony 1