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 Nihon University, Pentax, Japan Science And Technology Agency.

Showing 10,151–10,200 of 11,174 inventors

Rank Inventor Primary Company Patents
#4279 Yasukazu Nishi Nihon University 1
#4279 Toshihiro Nakayama Pentax 1
#4279 Haruhiko Ando Japan Science And Technology Agency 1
#4279 Mei Kobayashi IBM 1
#4279 Hideo Higashimoto Ricoh Company 1
#4279 Ryou Yoshii Mitsubishi Electric 1
#4279 Isao Okano Mitsubishi Electric 1
#4279 Midori Itou Bandai Co. 1
#4279 Takayuki Gouhara Sony 1
#4279 Madoka Tsutsumi Ntt Docomo 1
#4279 Hironori Adachi Bridgestone 1
#4279 Yuhei Shiokura Paramount Bed Co. 1
#4279 Noriyuki ITOU Toppan Printing Co. 1
#4279 Hiromi Matsuzaki Pentax 1
#4279 Junichi Tsuruzoe Shin-Etsu Quartz Products Co. 1
#4279 Yuko Yamagishi Canon 1
#4279 Junich Ito Oki Data 1
#4279 Toru Takabatake Nihon University 1
#4279 Motoki Higashida Renesas Technology 1
#4279 Jun Sakiyama Bridgestone 1
#4279 Tomoko Ando Renesas Electronics 1
#4279 Noriaki Tobita Ntt Docomo 1
#4279 Keiji Fukui Nec 1
#4279 Taiki Ozawa Advantest 1
#4279 Yuya Shoji Mitsumi Electric Co. 1
#4279 Ichizou Kobayashi Kajima 1
#4279 Ryu Kawachi Nihon University 1
#4279 Mie Nonaka Bridgestone 1
#4279 Mieko Yamagaki Furukawa Electric Co. 1
#4279 Tadatake Oku Nihon University 1
#4279 Masaki Okajima Kabushiki Kaisha Toshiba 1
#4279 Naoto Koike Mitsubishi Cable Industries 1
#4279 Yasushi Omura Subaru 1
#4279 Teruhiro Sakurai Tokyo Gas Co. 1
#4279 Kenji Kuroumaru Kabushiki Kaisha Toshiba 1
#4279 Wataru Oka Sumitomo Bakelite Co. 1
#4279 Hide Katayama Bridgestone Sports Co. 1
#4279 Korehito Tokita 1
#4279 Junichiro Watanabe Hitachi 1
#4279 Yuichi Kozuma Central Japan Railway Comany 1
#4279 Jouji Inaba Koganei 1
#4279 Hiroyoshi Kazumori Jeol 1
#4279 Kenichi Matsunaga Kureha Kagaku Kogyo 1
#4279 Koji Funahashi Olympus 1
#4279 Keiko Otsuka Meiji Seika Kaisha 1
#4279 Hiroshi Kanasugi Advantest 1
#4279 Masahlko Ishizone Tdk 1
#4279 Tomoyo Kashimoto Sony 1
#4279 Kiichiro Asaba 1
#4279 Kouichi Oshita Mitsubishi Pharma 1