Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2018, with 26,592 patents from 13,560 inventors. Leading employers of inventors based in Tokyo, JP include Lintec, Canon, Daio Paper.

Showing 13,501–13,550 of 13,560 inventors

Rank Inventor Primary Company Patents
#5246 Koichi Nagamoto Lintec 1
#5246 Kohta Haruna Canon 1
#5246 Yoshio Hirai Daio Paper 1
#5246 Toshiaki Yoshihara Fujitsu Limited 1
#5246 Yukimasa Shimura Kurita Water Industries 1
#5246 Tetsuo Kashiwazaki Showa Aluminum Can 1
#5246 Makoto Asaumi Astellas Pharma 1
#5246 Kazuki Isono Sony 1
#5246 Akihiro Mori Mitsubishi Electric 1
#5246 Norifumi Hoshino Sony 1
#5246 Eisuke Kato Aisan Kogyo Kabushiki Kaisha 1
#5246 Takuo Nishida Lintec 1
#5246 Daigo Konno Subaru 1
#5246 Masatoshi Ichikawa Hitachi 1
#5246 Masato IEHARA Mitsubishi Heavy Industries Machinery Systems 1
#5246 Masanori Maemuko Japan Display 1
#5246 Seiya Ogawa Fujitsu Limited 1
#5246 Mika Tsuda Sumitomo Bakelite Co. 1
#5246 Keita Nagahashi Sumitomo Bakelite Co. 1
#5246 Tomoaki Yamashita Olympus 1
#5246 Toshihiko Terada Denso 1
#5246 Satoshi Kanda Sony 1
#5246 Koji Oono Sumitomo Osaka Cement Co. 1
#5246 ChingTing Kang Toshiba Client Solutions Co. 1
#5246 Shinichi Doi Nec 1
#5246 Rei KASAHARA Hitachi-Johnson Controls Air Conditioning 1
#5246 Yasunori Otsuki Hitachi 1
#5246 Tomohiko Kato Tdk 1
#5246 Shingo MATSUKI Jxtg Nippon Oil & Energy 1
#5246 Susumu Tauchi Hitachi High-Technologies 1
#5246 Shun Ichikawa Subaru 1
#5246 Akihiro Wakatsuki Daicel 1
#5246 Eiko Hirose Canon 1
#5246 Atsushi Ishibashi Hitachi 1
#5246 Hiroyuki Urakami Canon 1
#5246 Atsushi Tanji Hitachi 1
#5246 Masataka Shiramizu Mitsubishi Electric 1
#5246 Tomonori Sekiguchi Hitachi 1
#5246 Koji Hakuta Gree Holdings 1
#5246 Yasuhiko Tanuma Micron 1
#5246 Junichi SUGITA Ricoh Company 1
#5246 Keisuke Itakura Denso 1
#5246 Harumi Watanabe 1
#5246 Masatoshi Nakajima Fanuc 1
#5246 Shinnosuke NISHIJIMA Nippon Steel 1
#5246 Hiroyuki Wakabayashi Konica Minolta 1
#5246 Gaku Ogawa Bridgestone 1
#5246 Mika Nasu Nihon Micronics 1
#5246 Chiya Watanabe Sony 1
#5246 Yasuomi Ando Mitsubishi Electric 1