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USPTO Patent Rankings Data through Sept 30, 2025
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Tokyo, JP All Time

716,148 patents  ·  91,278 inventors

Ranked #1 of 111,555 cities Top 1%

Tokyo, JP ranks #1 worldwide for total patents filed all time, with 716,148 patents from 91,278 inventors. Leading employers of inventors based in Tokyo, JP include Nippon Kayaku, Sanden, Tachi-S Co..

Showing 17,501–17,550 of 91,278 inventors

Rank Inventor Primary Company Patents
#16169 Yoshiki Akatani Nippon Kayaku 10
#16169 Yasushi Takayanagi Sanden 10
#16169 Yukihito Kobayashi Tachi-S Co. 10
#16169 Takashi Shin Astellas Pharma 10
#16169 Yasushi Hanatsuka Bridgestone 10
#16169 Mitsuhiro Hirano Kokusai Electric 10
#16169 Eiji Nemoto Ricoh Company 10
#16169 Masami Aoyama Furukawa Electric Co. 10
#16169 Tomoaki Yoneyama Sumitomo Metal Mining Co. 10
#16169 Kazuto Nonaka Satake 10
#16169 Noriyoshi Baba Subaru 10
#16169 Takeo Itoh Nippon Steel & Sumitomo Metal 10
#16169 Katutoshi Tamura Showa Denko K.K. 10
#16169 Nobuaki Matoba Shin Caterpillar Mitsubishi 10
#16169 Fumiko Tsuwano Ricoh Company 10
#16169 Sadao Fujita Nec 10
#16169 Yasunaga Yamaguchi Oki Data 10
#16169 Hidehiko Morinaga Canon 10
#16169 Junichiro Sugita Sony 10
#16169 Takafumi Shimizu Seldar Pharma 10
#16169 Yasuhiro Ido Mitsubishi Electric 10
#16169 Takashi Ariga Nippon Steel & Sumitomo Metal 10
#16169 Kiyomi Kawada Nec 10
#16169 Mitsutaka Hano Mitsubishi Electric 10
#16169 Hiroshi Kamiga Dowa Electronics Materials Co. 10
#16169 Kunio Torii Ajinomoto Co. 10
#16169 Kohshi Maeda Hitachi High-Technologies 10
#16169 Tatsuhiko Amagai Juniper Networks 10
#16169 Kichiya Itagaki Renesas Electronics 10
#16169 Toshihiko Fukuma Japan Display 10
#16169 Daisuke Iso Sony 10
#16169 Toshihisa Maeda Rohm Co. 10
#16169 Kazunari Morimoto Mitsubishi Electric 10
#16169 Tadaatsu Kawano Sumitomo Electric Industries 10
#16169 Yasutaka Suge Japan Airlines International Co. 10
#16169 Toshihide Miwa Max Co. 10
#16169 Eiji Hirai Nihon Parkerizing Co. 10
#16169 Mineki Hasegawa Adeka 10
#16169 Seishi Tsuyama Nkk Co. 10
#16169 Takeshi Mitsuishi Hoya 10
#16169 Keiichi Okuyama Nec 10
#16169 Masaaki Yoshimura Tomy Kogyo Co. 10
#16169 Noritomo Hirayama Fuji Electric Co. 10
#16169 Misao Miyamoto Nissan Chemical Industries 10
#16169 Toshiyuki Kaimi Sony 10
#16169 Tomofumi Tanaka Mitsubishi Electric 10
#16169 Takayuki Kume Calsonic Kansei 10
#16169 Daisuke Tsurumaru Toshiba Mitsubishi-Electric Industrial Systems 10
#16169 Ryuichi Shimomura Mitsubishi Electric 10
#16169 Satoshi Okutsu Toyo Ink Mfg. Co. 10

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Yokohama, JP432,220