Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2020, with 29,522 patents from 14,393 inventors. Leading employers of inventors based in Tokyo, JP include Unknown, Kabushiki Kaisha Toshiba, Hitachi.

Showing 13,401–13,450 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Kiyoshi Sakata Unknown 1
#5815 Takuya Mashimo Kabushiki Kaisha Toshiba 1
#5815 Xiaoyun Lu Hitachi 1
#5815 Tomokatsu Sato Hamamatsu Photonics K.K. 1
#5815 Anna Uehara Tokuyama Dental 1
#5815 Yuki Nishibori Kikkoman 1
#5815 Michiya Yamada Fuji Electric Co. 1
#5815 Yoko Arai Link Genomics 1
#5815 Dai Ogura Link Genomics 1
#5815 Yusuke Hashii Canon 1
#5815 Naoki Watabe Subaru 1
#5815 Ryuzo Nakata Sony 1
#5815 Takayuki Shitomi Ricoh Company 1
#5815 Daiki Hashimoto Mizuho Information & Research Institute 1
#5815 Tsutomu Kawachi Sony 1
#5815 Isao Hagiya Hitachi 1
#5815 Shingo WAKE Nihon Kohden 1
#5815 Junji Ebine Laurel Precision Machines Co. 1
#5815 Tomoki Hatakeyama Yazaki 1
#5815 Takaaki Kumazawa Hitachi 1
#5815 Tetsuya Motoyoshi Teijin Limited 1
#5815 Kojiro Nakagawa De Nora Permelec 1
#5815 Naoya Aoki Jfe Steel 1
#5815 Hiroshi Tsutsui Aisin Aw Co. 1
#5815 Hiroshi Yakuwa Ebara 1
#5815 Makoto Komiya Ebara 1
#5815 Toshiya Sugai Olympus Optical Co. 1
#5815 Yugo Fukuyama Kyocera 1
#5815 Kenichiro Oshita Nihon Parkerizing Co. 1
#5815 Shinobu Komiyama Henkel Ag & Co. Kgaa 1
#5815 Takahiro Kakehi Chugai Pharmaceutical 1
#5815 Syogo Namatame Mitsubishi Electric 1
#5815 Kyosuke Yamane Ushio Denki Kabushiki Kaisha 1
#5815 Yusuke Kato Japan Radio Co. 1
#5815 Hideaki Kageji Daiichi Sankyo Company, Limited 1
#5815 Eiji Moriguchi 1
#5815 Misao Inaba Hitachi Chemical Company 1
#5815 Nanako Mizuguchi Hitachi Chemical Company 1
#5815 Ryozo ONUKI Mitsubishi Electric 1
#5815 Yukihiro KIRIBAYASHI Disco 1
#5815 Akinori Matsunaga Foster Electric Company, Limited 1
#5815 Yukako ISHIHARA Kubota 1
#5815 Chris Tilston Konami Digital Entertainment Co. 1
#5815 Junichi Aoyado Tdk 1
#5815 Kenji Sugawara Shinkawa 1
#5815 Yoshiyuki Umegaki Jfe Steel 1
#5815 Masato Teranishi Mitsubishi Electric 1
#5815 Hidemasa Kakigami Mitsubishi Electric 1
#5815 Yu Machida Ebara 1
#5815 Yoshimi Terui Micron 1