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 Lion Group, Eisai, Toshiba Tec Kabushiki Kaisha.

Showing 12,551–12,600 of 13,113 inventors

Rank Inventor Primary Company Patents
#5101 Kei Kurita Lion Group 1
#5101 Yasutsuna Sasaki Eisai 1
#5101 Mahina Nakamura Toshiba Tec Kabushiki Kaisha 1
#5101 Naomichi Yoshida Hitachi Industrial Equipment Systems Co. 1
#5101 Yuichiro Hodatsu Takata 1
#5101 Satoru Iwata Subaru 1
#5101 Akihiro Ochi Sen 1
#5101 Tomohisa AOYAMA Fujikoki 1
#5101 Motohisa MUKAI Fujikoki 1
#5101 Masayuki Kamikawa Hitachi Plant Technologies 1
#5101 Hiromu Takeda Hitachi Appliances 1
#5101 Yuhsuke Kaneyasu IBM 1
#5101 Atsushi Minegishi Iwatsu Electric Co. 1
#5101 Kenichi Nishigaki Mitsubishi Kinzoku 1
#5101 Toshiyuki Araki Sumitomo Electric Industries 1
#5101 Takashi Iwaki Canon 1
#5101 Katsutoshi Mukaijima Citizen Systems Japan Co. 1
#5101 Takeyoshi TEDORI Synztec Co. 1
#5101 Kouji Funaoka Mitsubishi Electric 1
#5101 Wasuke Yanagisawa Yokowo Co. 1
#5101 Fumiaki Nihei Japan Display 1
#5101 Kazutaka Tsuji Hitachi 1
#5101 Norihiro Takesako Mitsubishi Electric 1
#5101 Shuji Shimizu Sony 1
#5101 Naoto Fukuoka Olympus 1
#5101 Junichiro Hoshizaki Mitsubishi Electric 1
#5101 Mikio Koike Janome Sewing Machine Co. 1
#5101 Masatoshi Wada Nippon Hoso Kyokai 1
#5101 Masamichi Sawaishi Nippon Steel Engineering Co. 1
#5101 Asahi Kawana Teijin Pharma Limited 1
#5101 Genki Umeizumi Ricoh Company 1
#5101 Akio ICHIMURA Renesas Electronics 1
#5101 Kentaro Togano Mitsubishi Electric 1
#5101 Ryo Maiguma Bose 1
#5101 Tomonori Nakajima Sony 1
#5101 Keita Nakanishi Astellas Pharma 1
#5101 Yoshihiro Niiyama Nihon Kohden 1
#5101 Chihiro Takeuchi Cypress Semiconductor 1
#5101 Masami Tako Renesas Electronics 1
#5101 Satoshi Hieda Nec 1
#5101 Soshi Oshima Canon 1
#5101 Yoichi Oshita Hitachi 1
#5101 Kazuhiro Yoneyama Yamabiko 1
#5101 Hisamichi Sekine Mitsumi Electric Co. 1
#5101 Tomoyuki Kakinuma Koken Co. 1
#5101 Yoshiyuki Miyoshi Fujifilm 1
#5101 Takuya Mukai Mitsubishi Electric 1
#5101 Masamichi Taniguchi Tdk 1
#5101 Yasunao Katayama IBM 1
#5101 Shigeaki Hayase Kabushiki Kaisha Toshiba 1