Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2011, with 21,999 patents from 11,174 inventors. Leading employers of inventors based in Tokyo, JP include Michigan State University, US Dept of Health & Human Services, Sony.

Showing 10,351–10,400 of 11,174 inventors

Rank Inventor Primary Company Patents
#4279 Aya Itoh Michigan State University 1
#4279 Masayuki Shiseki US Dept of Health & Human Services 1
#4279 Kazuji Uemura Sony 1
#4279 Masahiko Harayama Spansion Llc. 1
#4279 Tadashi Tsushima Square Enix Co. 1
#4279 Akihisa Terano Hitachi 1
#4279 Mitsuhiro Shimizu Nec Display Solutions 1
#4279 Tamiyo Kobayashi Olympus 1
#4279 Yoshikatsu Morishima Fujifilm 1
#4279 Minoru Yamagami Elpida Memory 1
#4279 Kunihiko Miyagi Machida Endoscope Co. 1
#4279 Keiichi Seki Mitsubishi Chemical 1
#4279 Atsushi Iwamoto Mitsubishi Gas Chemical Company 1
#4279 Tadahiko Tabe Nippon Kayaku 1
#4279 Yoshitsugu Motoe Akihisa Inoue 1
#4279 Tomoaki Utsumi Hitachi 1
#4279 Tohru Okuda Sharp Kabushiki Kaisha 1
#4279 Takeshi Oshima Sankyo Holdings Co. 1
#4279 Tatsuhiko Eguchi Furukawa Electric Co. 1
#4279 Yasutoshi Iguchi Jx Nippon Oil & Energy 1
#4279 Masami Matsubara Mitsubishi Electric 1
#4279 Shinsuke Takatsuka Hitachi-Lg Data Storage 1
#4279 Minoru Morio Sony 1
#4279 Keiji Machida Ntt Docomo 1
#4279 Tomoteru Abe Sony 1
#4279 Shigeru Kawamura Tokyo Electron Limited 1
#4279 Toru Takamichi Nec 1
#4279 Tomoyuki Nunome Subaru 1
#4279 Yoshihiro Kajiki Nec 1
#4279 Masahito Mure Sumitomo Osaka Cement Co. 1
#4279 Shuuichi Takeda Ricoh Company 1
#4279 Atsuko Matsumoto The Kitasato Institute 1
#4279 Masayuki Kamite Misawa Homes Co. 1
#4279 Hiroyasu Tagami Sony 1
#4279 Reiji Okuno Tdk 1
#4279 Shinichi Okita Nikon 1
#4279 Mikio Saitou Yamaha Motor 1
#4279 Naoto Yoshimi Jfe Steel 1
#4279 Tadamasa Fujimura Unknown 1
#4279 Yoshinori Koga National Institute Of Advanced Industrial Science And Technology 1
#4279 Teruyuki Nakano Kabushiki Kaisha Ishii Hyoki 1
#4279 Hiroyuki Keshi Fuso Pharmaceutical Industries 1
#4279 Yoshinao Segawa Nec 1
#4279 Hajime Seino Honda Motor Co. 1
#4279 Kenta Kumagai Hitachi 1
#4279 Akira Kumamoto Kabushiki Kaisha Toshiba 1
#4279 Hideki Uchiki Mitsubishi Electric 1
#4279 Daigo Miyasaka Nec 1
#4279 Katsutoshi Takizawa Fanuc 1
#4279 Junko Suda Advanced Softmaterials 1