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 Canon, Sony, Gs Yuasa International.

Showing 13,001–13,050 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Tomio Kanai 1
#5439 Toshikazu Nagatsuka Canon 1
#5439 Yasuyuki Kinoshita Sony 1
#5439 Hidehiro Inooka Sony 1
#5439 Mitsue Takeuchi Gs Yuasa International 1
#5439 Naoyuki Kurosawa Sumitomo Osaka Cement Co. 1
#5439 Seizo Miyata Unknown 1
#5439 Koichi Suzumori Kabushiki Kaisha Toshiba 1
#5439 Kaori Nakao Kabushiki Kaisha Toshiba 1
#5439 Haruhiko Hirano Mitsubishi Electric 1
#5439 Shinsuke KAWASAKI Mitsubishi Electric 1
#5439 Tatsunori Shinmori Ushio Denki Kabushiki Kaisha 1
#5439 Arata Sakurai Ns Solutions 1
#5439 Izumi Kawakami Kabushiki Kaisha Toshiba 1
#5439 Tetsuyuki Kimura 1
#5439 Makoto Okui Nippon Hoso Kyokai 1
#5439 Hikaru Nishinaga Kimoto Co. 1
#5439 Mitsuhiko Koyama Kabushiki Kaisha Toshiba 1
#5439 Masahiro Dobashi Renesas Electronics 1
#5439 Hiroko Kubota Renesas Electronics 1
#5439 Kasumi Oi Dai Nippon Printing Co. 1
#5439 Tadashi Takahama Nec 1
#5439 Shizuho Kuwako Nec 1
#5439 Chisato Ishida Canon 1
#5439 Martin Goldberg Nokia Siemens Networks Oy 1
#5439 Akiyoshi Takamiya 1
#5439 Shingo Yamasaski Nippon Steel & Sumitomo Metal 1
#5439 Akihiro Jinno Nippon Steel & Sumitomo Metal 1
#5439 Yuya Ohashi New Japan Radio Co. 1
#5439 Makoto Nishizaki Panasonic 1
#5439 Ryoh Izumi Nippon Steel & Sumitomo Metal 1
#5439 Yasuhiro Tateishi Nippon Steel & Sumitomo Metal 1
#5439 Hideaki Miyajima Subaru 1
#5439 Hideyuki Tombe Takata 1
#5439 Atsushi KUMADA Asahi Kasei Construction Materials 1
#5439 Noriyosu Hayashizaki Tokyo Institute Of Technology 1
#5439 Kunihiko Sato Sinfonia Technology Co. 1
#5439 Mikio Segawa Sinfonia Technology Co. 1
#5439 Keisuke Aoyagi Renesas Technology 1
#5439 Mugabi NELSON Mayekawa Mfg. Co. 1
#5439 Alex Yong-Sang Chia Rakuten Group 1
#5439 Kensuke Itakura Lion Group 1
#5439 Kazunori Iwato Nippon Steel & Sumitomo Metal 1
#5439 Yoshinobu Ichimura Tokyo Metropolitan Institute Of Medical Science 1
#5439 Mami Sasaki Hitachi 1
#5439 Yuichiro Kuki Japan Display 1
#5439 Inoue Yukito Sony 1
#5439 Ootori Yasuhiro Sony 1
#5439 Takayuki Masukawa Paramount Bed Co. 1
#5439 Katsuyoshi Furusawa Hitachi 1