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 Fujikoki, Jsr, Mitsubishi Electric.

Showing 14,301–14,350 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Takenori Nobuki Fujikoki 1
#6064 Kenji Hoshiko Jsr 1
#6064 Hideki Haruguchi Mitsubishi Electric 1
#6064 Norihiro Kihara Nichia 1
#6064 Yu Okamoto Agilent Technologies 1
#6064 Yumiko IGARASHI Hitachi 1
#6064 Satoshi Haramizu Kao 1
#6064 Hisashi Isogami Hitachi 1
#6064 Yoshiharu Ajiki Seiko Epson 1
#6064 Akira Ichimura Canon 1
#6064 Katsuei Ishida Taiyo Yuden Co. 1
#6064 Eiji Koeta Renesas Electronics 1
#6064 Yutaka Ikku Sii Nanotechnology 1
#6064 Masahiro Yuya Mitsubishi Electric 1
#6064 Mitsuo Akatsu Hitachi High-Technologies 1
#6064 Yukihiro Kawakami Comcast 1
#6064 Susumu MIO Comcast 1
#6064 Genshi YOSHIOKA Nikon 1
#6064 Sotaro Endo 3M 1
#6064 Yoshiharu ASAGA Mitsubishi Electric 1
#6064 Yoshitaka Hirai Renesas Electronics 1
#6064 Yoshiki Hama Hitachi Chemical Company 1
#6064 Hiroaki Mizukoshi Denso Wave Incorporated 1
#6064 Norio Oku Japan Display 1
#6064 Makoto Shuto Renesas Electronics 1
#6064 Tadao Kamei 1
#6064 Tomoo Ebiyama Nec 1
#6064 Yuji Iwao Akebono Brake Industry Co. 1
#6064 Shigeki TANISHIMA Mitsubishi Space Software Co. 1
#6064 Maki Hatakeyama Kao 1
#6064 Tomohiro Itai Oki Data 1
#6064 Yutaka KAWAKAMI Hitachi Chemical Company 1
#6064 Takehiro NISHIDONO Mitsubishi Jidosha Engineering 1
#6064 Yusuke Dan Ihi 1
#6064 Emi Takakusagi Oji Holdings 1
#6064 Ichiro Mayama Sony 1
#6064 Hiroaki Miyanaga Denso 1
#6064 Nagisa Kamiya Graphene Platform 1
#6064 Shoji Hasegawa Graphene Platform 1
#6064 Kimiyuki OBA Mitsumi Electric Co. 1
#6064 Tetsuro Nozu Kabushiki Kaisha Toshiba 1
#6064 Tomokazu Kiuchi Fujikoki 1
#6064 Mari NAKATA Olympus 1
#6064 Mitsuru Sekiguchi Sumitomo Electric Industries 1
#6064 Yasuhiro Minami Sumitomo Electric Industries 1
#6064 Atsuo Koshizuka Elpida Memory 1
#6064 Hisamichi Tanaka Mitsubishi Electric 1
#6064 Yosuke Akino Mitsubishi Electric 1
#6064 Hiroomi Sakuma Mitsubishi Electric 1
#6064 Akira Usui Sumitomo Electric Industries 1