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 Mitsubishi Hitachi Power Systems, Fujitsu Limited, Tosho.

Showing 13,801–13,850 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Kenichi Hiwatashi Mitsubishi Hitachi Power Systems 1
#6064 Kenji Yokota Fujitsu Limited 1
#6064 Syunji Ohgaya Tosho 1
#6064 Takumi Yamakawa Tachi-S Co. 1
#6064 Ryuji Mine Hitachi 1
#6064 Eigo Katou Mitsubishi Heavy Industries Engine & Turbocharger 1
#6064 Yasunao SAGA Fuji Electric Co. 1
#6064 Go Banzashi Oji Holdings 1
#6064 Takuya Ogusu Hitachi 1
#6064 Yasuhito Hagiwara Taiyo Yuden Co. 1
#6064 Shinta Takano Hitachi 1
#6064 Goro Sakamaki Renesas Electronics 1
#6064 Yuta Machida Seiko Epson 1
#6064 Kazuaki Gemma Renesas Electronics 1
#6064 Ryuma Niiyama MIT 1
#6064 Tomoyuki Yamashita Ricoh Company 1
#6064 Manabu Yazawa Alps Alpine Co. 1
#6064 Yasuharu Ogawa Neturen Co. 1
#6064 Teruaki Fukuoka Mitsubishi Electric 1
#6064 Yohei YUDA Mitsubishi Electric 1
#6064 Kiyonori Tokuno Nippon Steel & Sumitomo Metal 1
#6064 Hiroki Nagahama Sony 1
#6064 Yoshihiro Azuma Dai Nippon Printing Co. 1
#6064 Hiroaki Harai National Institute Of Information And Communications Technology 1
#6064 Muhammad Nabil Sven Loghin Sony 1
#6064 Hidenori Suzuki Hitachi 1
#6064 Yuki Kagawa Nihon Kohden 1
#6064 Daisuke Nomura Kabushiki Kaisha Toshiba 1
#6064 Takashi Miyagawa Taiyo Yuden Co. 1
#6064 Tze Mun Loo Askat 1
#6064 Kazuki Ida Teac 1
#6064 Shigeyuki Nomura Honda Motor Co. 1
#6064 Kouji Amano Increment P 1
#6064 Youhei Wakisaka Toyota 1
#6064 Shin Odajima Nidec Copal 1
#6064 Noboru Segawa Nidec Copal 1
#6064 Shiori Ishii Nidec Copal 1
#6064 Yoichi Usui Hoya 1
#6064 Motohiro Sakurai Tdk 1
#6064 Masato Shida Mitsubishi Electric 1
#6064 Hiroyuki Hosoyama Konami Digital Entertainment Co. 1
#6064 Yuka Minegishi Mazda Motor 1
#6064 Shigehiko Matsuda Toshiba Mitsubishi-Electric Industrial Systems 1
#6064 Toshimitsu Ichinose Mitsubishi Electric 1
#6064 Koutaro Fujimura Mitsubishi Electric 1
#6064 Akira Uemura Renesas Electronics 1
#6064 Noriaki Soga Jasco 1
#6064 Dai Kusui Nec 1
#6064 Masakazu Ataku Asahi Glass Co. 1
#6064 Shintaro Kajiwara Sony 1