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 Kabushiki Kaisha Toshiba, Neturen Co., Gree Holdings.

Showing 13,401–13,450 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Tomohiro Tsutsui Kabushiki Kaisha Toshiba 1
#6064 Takashi Horino Neturen Co. 1
#6064 Eiji Kuwahara Kabushiki Kaisha Toshiba 1
#6064 Daisuke Taka Gree Holdings 1
#6064 Keisuke Kunori Stanley Electric Co. 1
#6064 Masaru Ida Gree Holdings 1
#6064 Yutaka Chiba Hitachi 1
#6064 Norichika Aramaki Jfe Steel 1
#6064 Yukimasa Saito Tokyo Electron Limited 1
#6064 Shinichi Chiba Canon 1
#6064 Youji AKIYAMA Mitsubishi Heavy Industries Engine & Turbocharger 1
#6064 Nobuaki Fukasawa Canon 1
#6064 Shinya Masunaga Sony 1
#6064 Hideo Fukushima Sony 1
#6064 Hajime Momoi Jx Nippon Mining & Metals 1
#6064 Akihiko Hatasawa Elpida Memory 1
#6064 Tadamichi Kudo Hitachi Kokusai Electric 1
#6064 Tooru Hiraga Sony 1
#6064 Yosuke YOKOYAMA Mitsubishi Electric 1
#6064 Takaharu Enjoji 1
#6064 Yoshito Nishihara Ricoh Company 1
#6064 Norio Endo Fujitsu Component Limited 1
#6064 Masato Iwata Mitsuba 1
#6064 Keiko Matsubara Samsung 1
#6064 Kazuyuki Karino Tatsuno 1
#6064 Natsuko Kushida Gree Holdings 1
#6064 Masayoshi Jin Daiichi Sankyo Company, Limited 1
#6064 Shigemi Takahashi Nidec Copal 1
#6064 Kenichi KATONO Hitachi 1
#6064 Dai Kinno Nsk 1
#6064 Taichiro Tsujimura Casio Computer Co. 1
#6064 Takatoshi Ono Sumitomo Electric Industries 1
#6064 Michiya Yamada Fuji Electric Co. 1
#6064 Yusuke Hashii Canon 1
#6064 Takayuki Shitomi Ricoh Company 1
#6064 Hiroshi Tsutsui Aisin Aw Co. 1
#6064 Hiroshi Yakuwa Ebara 1
#6064 Misao Inaba Hitachi Chemical Company 1
#6064 Yoshiyuki Umegaki Jfe Steel 1
#6064 Masato Teranishi Mitsubishi Electric 1
#6064 Yoshimi Terui Micron 1
#6064 Ryota Iino Japan Science And Technology Agency 1
#6064 Hiroki Hiraguchi Ricoh Company 1
#6064 Takako Kimura Daiichi Sankyo Company, Limited 1
#6064 Keiichi Kishida Japan Display 1
#6064 Minoru Genta Mitsubishi Heavy Industries Mechatronics Systems 1
#6064 Masahiko Ebihara Hitachi Chemical Company 1
#6064 Hiromichi Ebata Hochiki 1
#6064 Susumu Sudo Konica Minolta 1
#6064 Ryosaku Aoki Olympus Imaging 1