Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2019, with 30,927 patents from 15,298 inventors. Leading employers of inventors based in Tokyo, JP include Moriroku Technology Company, Rakuten Group, Olympus.

Showing 13,151–13,200 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Yasufumi Sugauchi Moriroku Technology Company 1
#6064 Naoki Chiba Rakuten Group 1
#6064 Kiiko TAKAMATSU Olympus 1
#6064 Shuuichi Hiratsuka Oki Electric Industry Co. 1
#6064 Takashi Sugane Astellas Pharma 1
#6064 Daisuke Yamashita Astellas Pharma 1
#6064 Norio Asai Astellas Pharma 1
#6064 Tetsuya Yabe Mitsubishi Hitachi Power Systems 1
#6064 Fumio Matsuzaka Ihi 1
#6064 Shigeru Iwami Mayekawa Mfg. Co. 1
#6064 Youichi Hiraga Mayekawa Mfg. Co. 1
#6064 Nobuya Ishitsuka Mayekawa Mfg. Co. 1
#6064 Tetsutaro Kouji Topcon 1
#6064 Katsuhiko Takita Mitsubishi Electric 1
#6064 Sumito Shinohara Casio Computer Co. 1
#6064 Tomomi Fukaya Lintec 1
#6064 Teruaki Kuroda Oki Data 1
#6064 Shinya Nakawaki Canon 1
#6064 Shigenori Togashi Hitachi 1
#6064 Mika Tsuda Sumitomo Bakelite Co. 1
#6064 Keita Nagahashi Sumitomo Bakelite Co. 1
#6064 Tomoaki Yamashita Olympus 1
#6064 Takeshi Kindaichi Olympus Optical Co. 1
#6064 Manabu Kida Oki Data 1
#6064 Ryunosuke MATSUYAMA Bridgestone 1
#6064 Takuya Moriya Ps4 Luxco S.A.R.L. 1
#6064 Yousuke SUYAMA Nitoms 1
#6064 Daisuke Harigane Yokogawa Electric 1
#6064 Takafumi Minoura Daifuku Co. 1
#6064 Katsuya Oikawa Canon 1
#6064 Shinichi Doi Nec 1
#6064 Rei KASAHARA Hitachi-Johnson Controls Air Conditioning 1
#6064 Yasunori Otsuki Hitachi 1
#6064 Sakaru Takahashi Chokoku Plast 1
#6064 Fusayoshi Takezawa Kabushiki Kaisha Toshiba 1
#6064 Akira Toyooka Mitsubishi Electric 1
#6064 Masataka Adachi Mitsubishi Electric 1
#6064 Asami Oba Tomy Company 1
#6064 Daisuke Yatsushiro Thk Co. 1
#6064 Haruki Miyoshi Hitachi 1
#6064 Takahiko SEKI Daiichi Sankyo Company, Limited 1
#6064 Kengo Muranushi Furukawa Electric Co. 1
#6064 Taiya Munenaka Konica Minolta 1
#6064 Tsuyoshi Tsunoda Dai Nippon Printing Co. 1
#6064 Yumie KITAJIMA Mitsubishi Electric 1
#6064 Eiko Hirose Canon 1
#6064 Akinori Tsukaguchi Mitsubishi Electric 1
#6064 Shintarou Ikeda National Institute Of Advanced Industrial Science And Technology 1
#6064 Kota Katsuragi Mitsubishi Electric 1
#6064 Kouta HIGUCHI Fuji Kiko Co. 1