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 Konica Minolta, Konami Digital Entertainment Co., Astellas Pharma.

Showing 14,551–14,600 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Tatsuhiro Noutomi Konica Minolta 1
#6064 Fumiaki Oshita Konami Digital Entertainment Co. 1
#6064 Takahiro Akiba Astellas Pharma 1
#6064 Kiichi Sato Astellas Pharma 1
#6064 Tatsuya Miyatani Seiko Instruments 1
#6064 Kazuki Maruyama Oki Data 1
#6064 Kentaro Ohki Fujitsu Limited 1
#6064 Eiji Sugaya Globeride 1
#6064 Yasushi Kishimoto Hitachi 1
#6064 Masahisa Goto Idemitsu Kosan Co. 1
#6064 Tomoya Ikeuchi Mitsubishi Electric 1
#6064 Toshiyuki Tateishi Disco 1
#6064 Masahiko Matsukata Waseda University 1
#6064 Hirohisa Yokota Mitsubishi Electric 1
#6064 Kozue Hashimoto Ihi 1
#6064 Masatoshi Maeda Glytech 1
#6064 Takayuki Machida Hitachi 1
#6064 Kiyoshi Mizuguchi Mochida Pharmaceutical Co. 1
#6064 Tsuyoshi Harada Mochida Pharmaceutical Co. 1
#6064 Kenshi KUBOTA Fuji Tecom 1
#6064 Takayuki Murakami Funai Electric Co. 1
#6064 Kuniaki ARAGANE Dai Nippon Printing Co. 1
#6064 Atsushi Hashiguchi Nec 1
#6064 Kenichi Nagamine Nichirei Biosciences 1
#6064 Takeshi Shinoda Denso 1
#6064 Tomohiko Yoshitake Hoya 1
#6064 Ryuichi Honma Nippon Steel & Sumitomo Metal 1
#6064 Yasunori Aihara Max Co. 1
#6064 Shinichi Mukousaka Jeol 1
#6064 Yukinori Nakamichi Japan Elastomer Co. 1
#6064 Naozumi Morino Renesas Electronics 1
#6064 Kazuyuki Kakuta Denso 1
#6064 Noriyoshi Yoneda Nec 1
#6064 Takuya Azuma Yokogawa Electric 1
#6064 Masahito Nishigoori Kabushiki Kaisha Toshiba 1
#6064 Norihisa HORAGUCHI Mitsubishi Electric 1
#6064 Atsushi Sudo Nippon Kayaku 1
#6064 Kazutomo Imi Mitsumi Electric Co. 1
#6064 Yasuhiro Akimoto Canon 1
#6064 Akira Wakatsuki Sumitomo Chemical 1
#6064 Takahiro Kogasaka Olympus 1
#6064 Shinichi Furumoto Furukawa Electric Co. 1
#6064 Shigeyuki Maeda Fujitsu Limited 1
#6064 Kenji Koido Oki Data 1
#6064 Masato Nishizawa Seiko Epson 1
#6064 Yu Morioka Dai Nippon Printing Co. 1
#6064 Hidetoshi Katayanagi Konica 1
#6064 Nao TANAKA Kyocera 1
#6064 Takamasa INA Lixil 1
#6064 Toshihiko Murai Adeka 1